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Single-Season Leaders & Records for Slugging %
Baseball Leaders & Baseball Records:
Single-Season
Career
Active
Progressive
Year-by-Year League
Click on the Player for career stats and accomplishments.
+ - Indicates Hall of Famer. Bold indicates active player
* - bats left-handed, # - switch hits, ? - unknown, else - bats right-handed
Only players who finished in the top 40 for the majors in a season will appear on this list. Leaders from the current season are only included for rate stats after July 1st.
Minimum of 3.1 PA/G, 1.0 IP/G, and 0.1 decision/G for single-season leaderboards generally needed for rate statistics. Explanation of min. requirements
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 1. | Barry Bonds* (36) | .8634 | 2001 | L |
| 2. | Babe Ruth+* (25) | .8490 | 1920 | L |
| 3. | Babe Ruth+* (26) | .8463 | 1921 | L |
| 4. | Barry Bonds* (39) | .8123 | 2004 | L |
| 5. | Barry Bonds* (37) | .7990 | 2002 | L |
| 6. | Babe Ruth+* (32) | .7722 | 1927 | L |
| 7. | Lou Gehrig+* (24) | .7654 | 1927 | L |
| 8. | Babe Ruth+* (28) | .7644 | 1923 | L |
| 9. | Rogers Hornsby+ (29) | .7560 | 1925 | R |
| 10. | Mark McGwire (34) | .7525 | 1998 | R |
| 11. | Jeff Bagwell (26) | .7500 | 1994 | R |
| 12. | Barry Bonds* (38) | .7487 | 2003 | L |
| Jimmie Foxx+ (24) | .7487 | 1932 | R | |
| 14. | Babe Ruth+* (29) | .7391 | 1924 | L |
| 15. | Babe Ruth+* (31) | .7374 | 1926 | L |
| 16. | Sammy Sosa (32) | .7366 | 2001 | R |
| 17. | Ted Williams+* (22) | .7346 | 1941 | L |
| 18. | Babe Ruth+* (35) | .7317 | 1930 | L |
| 19. | Ted Williams+* (38) | .7310 | 1957 | L |
| 20. | Mark McGwire (32) | .7305 | 1996 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 21. | Frank Thomas (26) | .7293 | 1994 | R |
| 22. | Hack Wilson+ (30) | .7231 | 1930 | R |
| 23. | Rogers Hornsby+ (26) | .7223 | 1922 | R |
| 24. | Lou Gehrig+* (27) | .7212 | 1930 | L |
| 25. | Larry Walker* (30) | .7201 | 1997 | L |
| 26. | Albert Belle (27) | .7136 | 1994 | R |
| 27. | Larry Walker* (32) | .7100 | 1999 | L |
| 28. | Babe Ruth+* (33) | .7090 | 1928 | L |
| 29. | Al Simmons+ (28) | .7076 | 1930 | R |
| 30. | Lou Gehrig+* (31) | .7064 | 1934 | L |
| 31. | Mickey Mantle+# (24) | .7054 | 1956 | B |
| 32. | Jimmie Foxx+ (30) | .7044 | 1938 | R |
| 33. | Jimmie Foxx+ (25) | .7033 | 1933 | R |
| 34. | Stan Musial+* (27) | .7021 | 1948 | L |
| 35. | Babe Ruth+* (36) | .7004 | 1931 | L |
| 36. | Todd Helton* (26) | .6983 | 2000 | L |
| 37. | Babe Ruth+* (34) | .6974 | 1929 | L |
| 38. | Manny Ramirez (28) | .6970 | 2000 | R |
| 39. | Mark McGwire (35) | .6967 | 1999 | R |
| 40. | Lou Gehrig+* (33) | .6960 | 1936 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 41. | Rogers Hornsby+ (28) | .6959 | 1924 | R |
| 42. | Hugh Duffy+ (27) | .6939 | 1894 | R |
| 43. | Jimmie Foxx+ (31) | .6938 | 1939 | R |
| 44. | Albert Belle (28) | .6905 | 1995 | R |
| Tip O'Neill (29) | .6905 | 1887 | R | |
| 46. | Luis Gonzalez* (33) | .6880 | 2001 | L |
| 47. | Barry Bonds* (35) | .6875 | 2000 | L |
| 48. | Mickey Mantle+# (29) | .6868 | 1961 | B |
| 49. | Chuck Klein+* (25) | .6867 | 1930 | L |
| 50. | Sam Thompson+* (34) | .6865 | 1894 | L |
| 51. | Todd Helton* (27) | .6848 | 2001 | L |
| 52. | Hank Greenberg+ (27) | .6834 | 1938 | R |
| 53. | Kevin Mitchell (32) | .6806 | 1994 | R |
| 54. | Rogers Hornsby+ (33) | .6794 | 1929 | R |
| 55. | Babe Herman* (27) | .6775 | 1930 | L |
| 56. | Barry Bonds* (28) | .6772 | 1993 | L |
| 57. | Jim Thome* (31) | .6771 | 2002 | L |
| 58. | Ken Griffey* (24) | .6744 | 1994 | L |
| 59. | Joe DiMaggio+ (22) | .6731 | 1937 | R |
| 60. | Babe Ruth+* (27) | .6724 | 1922 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 61. | Joe DiMaggio+ (24) | .6710 | 1939 | R |
| Albert Pujols (26) | .6710 | 2006 | R | |
| 63. | Hank Greenberg+ (29) | .6702 | 1940 | R |
| 64. | Hank Aaron+ (37) | .6687 | 1971 | R |
| 65. | Hank Greenberg+ (26) | .6684 | 1937 | R |
| 66. | Willie Mays+ (23) | .6673 | 1954 | R |
| Ted Williams+* (27) | .6673 | 1946 | L | |
| 68. | Albert Pujols (23) | .6667 | 2003 | R |
| 69. | Mickey Mantle+# (25) | .6646 | 1957 | B |
| 70. | Carlos Delgado* (28) | .6643 | 2000 | L |
| 71. | George Brett+* (27) | .6637 | 1980 | L |
| Vladimir Guerrero (24) | .6637 | 2000 | R | |
| 73. | Manny Ramirez (27) | .6628 | 1999 | R |
| 74. | Lou Gehrig+* (28) | .6624 | 1931 | L |
| 75. | Larry Walker* (34) | .6620 | 2001 | L |
| 76. | Norm Cash* (26) | .6617 | 1961 | L |
| 77. | Derrek Lee (29) | .6616 | 2005 | R |
| 78. | Babe Ruth+* (37) | .6608 | 1932 | L |
| 79. | Jason Giambi* (30) | .6596 | 2001 | L |
| 80. | Ryan Howard* (26) | .6592 | 2006 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 81. | Travis Hafner* (29) | .6586 | 2006 | L |
| Willie Mays+ (24) | .6586 | 1955 | R | |
| 83. | Ralph Kiner+ (26) | .6576 | 1949 | R |
| 84. | Chuck Klein+* (24) | .6575 | 1929 | L |
| 85. | Babe Ruth+* (24) | .6574 | 1919 | L |
| 86. | Albert Pujols (24) | .6571 | 2004 | R |
| 87. | Willie McCovey+* (31) | .6558 | 1969 | L |
| 88. | Albert Belle (31) | .6552 | 1998 | R |
| 89. | Sam Thompson+* (35) | .6543 | 1895 | L |
| 90. | Jimmie Foxx+ (26) | .6531 | 1934 | R |
| 91. | Chick Hafey+ (27) | .6525 | 1930 | R |
| 92. | Rudy York (23) | .6507 | 1937 | R |
| 93. | Ted Williams+* (30) | .6502 | 1949 | L |
| 94. | Bill Joyce* (28) | .6479 | 1894 | L |
| 95. | Lou Gehrig+* (25) | .6477 | 1928 | L |
| 96. | Ted Williams+* (23) | .6475 | 1942 | L |
| 97. | Duke Snider+* (27) | .6473 | 1954 | L |
| 98. | Barry Bonds* (29) | .6471 | 1994 | L |
| Jason Giambi* (29) | .6471 | 2000 | L | |
| 100. | Sammy Sosa (29) | .6470 | 1998 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 101. | Manny Ramirez (30) | .6468 | 2002 | R |
| 102. | Ken Griffey* (27) | .6464 | 1997 | L |
| 103. | Mark McGwire (33) | .6463 | 1997 | R |
| 104. | Chuck Klein+* (27) | .6462 | 1932 | L |
| 105. | Jim Gentile* (27) | .6461 | 1961 | L |
| 106. | Willie Stargell+* (33) | .6456 | 1973 | L |
| 107. | Al Simmons+ (25) | .6453 | 1927 | R |
| 108. | Willie Mays+ (34) | .6452 | 1965 | R |
| 109. | Alex Rodriguez (31) | .6449 | 2007 | R |
| 110. | Mike Schmidt+ (31) | .6441 | 1981 | R |
| 111. | Hal Trosky* (23) | .6439 | 1936 | L |
| 112. | Nap Lajoie+ (26) | .6434 | 1901 | R |
| 113. | Joe DiMaggio+ (26) | .6432 | 1941 | R |
| Lou Gehrig+* (34) | .6432 | 1937 | L | |
| Juan Gonzalez (26) | .6432 | 1996 | R | |
| 116. | Gary Sheffield (31) | .6427 | 2000 | R |
| 117. | Jim Edmonds* (34) | .6426 | 2004 | L |
| 118. | Ted Kluszewski* (29) | .6422 | 1954 | L |
| 119. | Al Simmons+ (27) | .6420 | 1929 | R |
| 120. | Joe Medwick+ (25) | .6414 | 1937 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 121. | Al Simmons+ (29) | .6413 | 1931 | R |
| 122. | Ellis Burks (31) | .6395 | 1996 | R |
| 123. | Ralph Kiner+ (24) | .6389 | 1947 | R |
| 124. | Rogers Hornsby+ (25) | .6385 | 1921 | R |
| Mike Piazza (28) | .6385 | 1997 | R | |
| 126. | Brady Anderson* (32) | .6373 | 1996 | L |
| 127. | Frank Robinson+ (30) | .6372 | 1966 | R |
| 128. | Jimmie Foxx+ (22) | .6370 | 1930 | R |
| 129. | Fred Lynn* (27) | .6365 | 1979 | L |
| 130. | Richard Hidalgo (25) | .6362 | 2000 | R |
| David Ortiz* (30) | .6362 | 2006 | L | |
| 132. | Hank Aaron+ (25) | .6359 | 1959 | R |
| 133. | Johnny Mize+* (27) | .6356 | 1940 | L |
| 134. | Jimmie Foxx+ (27) | .6355 | 1935 | R |
| 135. | Kevin Mitchell (27) | .6354 | 1989 | R |
| 136. | Sammy Sosa (30) | .6352 | 1999 | R |
| 137. | Mel Ott+* (20) | .6349 | 1929 | L |
| 138. | Ted Williams+* (28) | .6345 | 1947 | L |
| 139. | Sammy Sosa (31) | .6341 | 2000 | R |
| 140. | Chipper Jones# (27) | .6332 | 1999 | B |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 141. | Juan Gonzalez (23) | .6325 | 1993 | R |
| Chick Hafey+ (26) | .6325 | 1929 | R | |
| 143. | George Sisler+* (27) | .6323 | 1920 | L |
| 144. | Dick Allen (24) | .6317 | 1966 | R |
| Harry Heilmann+ (28) | .6317 | 1923 | R | |
| Rogers Hornsby+ (32) | .6317 | 1928 | R | |
| 147. | Ed Delahanty+ (28) | .6313 | 1896 | R |
| 148. | George Foster (28) | .6309 | 1977 | R |
| 149. | Jimmie Foxx+ (28) | .6308 | 1936 | R |
| 150. | Alex Rodriguez (20) | .6306 | 1996 | R |
| 151. | Juan Gonzalez (28) | .6304 | 1998 | R |
| 152. | Rafael Palmeiro* (34) | .6301 | 1999 | L |
| 153. | Larry Walker* (31) | .6300 | 1998 | L |
| 154. | Gabby Hartnett+ (29) | .6299 | 1930 | R |
| 155. | Todd Helton* (29) | .6295 | 2003 | L |
| 156. | Adrian Beltre (25) | .6288 | 2004 | R |
| 157. | Jim Bottomley+* (28) | .6285 | 1928 | L |
| 158. | Hank Greenberg+ (24) | .6284 | 1935 | R |
| 159. | Edgar Martinez (32) | .6282 | 1995 | R |
| Duke Snider+* (28) | .6282 | 1955 | L | |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Willie Stargell+* (31) | .6282 | 1971 | L | |
| 162. | Ken Griffey* (26) | .6275 | 1996 | L |
| 163. | Rogers Hornsby+ (27) | .6274 | 1923 | R |
| Ken Williams* (32) | .6274 | 1922 | L | |
| 165. | Ralph Kiner+ (28) | .6271 | 1951 | R |
| Duke Snider+* (26) | .6271 | 1953 | L | |
| 167. | Earl Averill+* (34) | .6270 | 1936 | L |
| 168. | Eddie Mathews+* (21) | .6269 | 1953 | L |
| 169. | Carlos Pena* (29) | .6265 | 2007 | L |
| 170. | Frank Thomas (28) | .6262 | 1996 | R |
| 171. | Joe DiMaggio+ (25) | .6260 | 1940 | R |
| 172. | Johnny Mize+* (26) | .6259 | 1939 | L |
| 173. | Willie Mays+ (26) | .6256 | 1957 | R |
| 174. | Frank Thomas (32) | .6254 | 2000 | R |
| 175. | Jimmie Foxx+ (21) | .6248 | 1929 | R |
| 176. | Gary Sheffield (27) | .6243 | 1996 | R |
| 177. | Stan Musial+* (28) | .6242 | 1949 | L |
| 178. | Mike Schmidt+ (30) | .6241 | 1980 | R |
| 179. | Frank Robinson+ (26) | .6240 | 1962 | R |
| 180. | Barry Bonds* (27) | .6237 | 1992 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 181. | Jim Thome* (30) | .6236 | 2001 | L |
| 182. | Moises Alou (33) | .6234 | 2000 | R |
| Alex Rodriguez (26) | .6234 | 2002 | R | |
| Ken Williams* (33) | .6234 | 1923 | L | |
| 185. | Albert Belle (29) | .6229 | 1996 | R |
| 186. | Fred McGriff* (30) | .6226 | 1994 | L |
| 187. | Lefty O'Doul* (32) | .6223 | 1929 | L |
| 188. | Hank Greenberg+ (28) | .6220 | 1939 | R |
| 189. | Alex Rodriguez (25) | .6218 | 2001 | R |
| Carl Yastrzemski+* (27) | .6218 | 1967 | L | |
| 191. | Brian Giles* (31) | .6217 | 2002 | L |
| 192. | Jermaine Dye (32) | .6215 | 2006 | R |
| George Watkins* (30) | .6215 | 1930 | L | |
| 194. | Fred Dunlap (25) | .6214 | 1884 | R |
| 195. | Lance Berkman# (30) | .6213 | 2006 | B |
| 196. | David Ortiz* (31) | .6211 | 2007 | L |
| 197. | Ty Cobb+* (24) | .6210 | 1911 | L |
| 198. | Ken Caminiti# (33) | .6209 | 1996 | B |
| 199. | Lou Gehrig+* (29) | .6208 | 1932 | L |
| 200. | Lance Berkman# (25) | .6204 | 2001 | B |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 201. | Roger Maris* (26) | .6203 | 1961 | L |
| 202. | Dante Bichette (31) | .6200 | 1995 | R |
| 203. | Todd Helton* (30) | .6197 | 2004 | L |
| 204. | Rocky Colavito (24) | .6196 | 1958 | R |
| 205. | Bill Terry+* (31) | .6193 | 1930 | L |
| 206. | Manny Ramirez (34) | .6192 | 2006 | R |
| 207. | Hack Wilson+ (29) | .6185 | 1929 | R |
| 208. | Hank Aaron+ (28) | .6182 | 1962 | R |
| 209. | Prince Fielder* (23) | .6178 | 2007 | L |
| 210. | Mark McGwire (23) | .6176 | 1987 | R |
| 211. | Jim Edmonds* (33) | .6175 | 2003 | L |
| 212. | Bill Dickey+* (29) | .6170 | 1936 | L |
| 213. | Albert Pujols (28) | .6169 | 2008 | R |
| 214. | Ken Griffey* (23) | .6168 | 1993 | L |
| 215. | Ed Delahanty+ (27) | .6167 | 1895 | R |
| 216. | Harry Heilmann+ (32) | .6158 | 1927 | R |
| 217. | Jeff Bagwell (32) | .6152 | 2000 | R |
| 218. | Barry Bonds* (31) | .6151 | 1996 | L |
| Willie Mays+ (31) | .6151 | 1962 | R | |
| 220. | Ripper Collins# (30) | .6150 | 1934 | B |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 221. | Ted Williams+* (29) | .6149 | 1948 | L |
| 222. | Wally Berger (24) | .6144 | 1930 | R |
| 223. | Ernie Banks+ (27) | .6143 | 1958 | R |
| Johnny Mize+* (34) | .6143 | 1947 | L | |
| 225. | Brian Giles* (28) | .6142 | 1999 | L |
| Stan Musial+* (30) | .6142 | 1951 | L | |
| 227. | Mike Piazza (31) | .6141 | 2000 | R |
| 228. | Goose Goslin+* (27) | .6140 | 1928 | L |
| 229. | Johnny Mize+* (25) | .6139 | 1938 | L |
| 230. | Ken Williams* (35) | .6131 | 1925 | L |
| 231. | Dave Kingman (30) | .6128 | 1979 | R |
| 232. | Manny Ramirez (32) | .6127 | 2004 | R |
| Al Rosen (29) | .6127 | 1953 | R | |
| 234. | Willie McCovey+* (32) | .6121 | 1970 | L |
| 235. | Ryan Ludwick (29) | .6120 | 2008 | R |
| 236. | Jim Thome* (25) | .6119 | 1996 | L |
| 237. | Jack Clements* (30) | .6118 | 1895 | L |
| 238. | Babe Herman* (26) | .6116 | 1929 | L |
| Stan Musial+* (36) | .6116 | 1957 | L | |
| 240. | Ken Griffey* (28) | .6114 | 1998 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 241. | Frank Thomas (29) | .6113 | 1997 | R |
| 242. | Mickey Mantle+# (23) | .6112 | 1955 | B |
| 243. | Frank Robinson+ (25) | .6110 | 1961 | R |
| 244. | Roy Campanella+ (31) | .6108 | 1953 | R |
| 245. | Albert Pujols (21) | .6102 | 2001 | R |
| 246. | Alex Rodriguez (29) | .6099 | 2005 | R |
| 247. | Tris Speaker+* (35) | .6098 | 1923 | L |
| 248. | Albert Pujols (25) | .6091 | 2005 | R |
| 249. | Stan Musial+* (32) | .6088 | 1953 | L |
| Ted Williams+* (20) | .6088 | 1939 | L | |
| 251. | Barry Bonds* (33) | .6087 | 1998 | L |
| Manny Ramirez (29) | .6087 | 2001 | R | |
| 253. | Orlando Cepeda+ (23) | .6086 | 1961 | R |
| 254. | Reggie Jackson+* (23) | .6084 | 1969 | L |
| 255. | Stan Musial+* (33) | .6074 | 1954 | L |
| 256. | Willie Mays+ (33) | .6073 | 1964 | R |
| Larry Walker* (28) | .6073 | 1995 | L | |
| 258. | Arky Vaughan+* (23) | .6072 | 1935 | L |
| 259. | Hank Aaron+ (35) | .6070 | 1969 | R |
| 260. | Matt Holliday (27) | .6069 | 2007 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 261. | Matt Williams (28) | .6067 | 1994 | R |
| 262. | Frank Thomas (25) | .6066 | 1993 | R |
| 263. | Alex Rodriguez (24) | .6065 | 2000 | R |
| Frank Thomas (27) | .6065 | 1995 | R | |
| 265. | Harry Heilmann+ (26) | .6063 | 1921 | R |
| Harmon Killebrew+ (25) | .6063 | 1961 | R | |
| Billy Williams+* (34) | .6063 | 1972 | L | |
| 268. | Boog Powell* (22) | .6061 | 1964 | L |
| 269. | Mike Piazza (26) | .6060 | 1995 | R |
| 270. | Tris Speaker+* (34) | .6056 | 1922 | L |
| 271. | Lou Gehrig+* (30) | .6054 | 1933 | L |
| 272. | Ted Williams+* (37) | .6050 | 1956 | L |
| 273. | George Bell (27) | .6049 | 1987 | R |
| Chipper Jones# (29) | .6049 | 2001 | B | |
| 275. | Mickey Mantle+# (30) | .6048 | 1962 | B |
| 276. | Chipper Jones# (35) | .6043 | 2007 | B |
| 277. | Hank Greenberg+ (35) | .6042 | 1946 | R |
| Lefty O'Doul* (33) | .6042 | 1930 | L | |
| Gary Sheffield (34) | .6042 | 2003 | R | |
| 280. | David Ortiz* (29) | .6040 | 2005 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 281. | Troy Glaus (23) | .6039 | 2000 | R |
| 282. | Chick Hafey+ (25) | .6038 | 1928 | R |
| 283. | Nomar Garciaparra (25) | .6034 | 1999 | R |
| 284. | Paul O'Neill* (31) | .6033 | 1994 | L |
| 285. | David Ortiz* (28) | .6031 | 2004 | L |
| 286. | Eddie Mathews+* (22) | .6029 | 1954 | L |
| 287. | Dick Allen (30) | .6028 | 1972 | R |
| 288. | Chuck Klein+* (28) | .6023 | 1933 | L |
| 289. | Andres Galarraga (32) | .6021 | 1993 | R |
| 290. | Larry Walker* (35) | .6017 | 2002 | L |
| 291. | Jeff Heath* (23) | .6016 | 1938 | L |
| Joe Kelley+ (22) | .6016 | 1894 | R | |
| 293. | Juan Gonzalez (29) | .6014 | 1999 | R |
| 294. | Eddie Mathews+* (23) | .6012 | 1955 | L |
| 295. | Goose Goslin+* (29) | .6010 | 1930 | L |
| Ed Morgan (26) | .6010 | 1930 | R | |
| 297. | Mel Ott+* (23) | .6007 | 1932 | L |
| 298. | Andres Galarraga (35) | .6006 | 1996 | R |
| 299. | Hank Greenberg+ (23) | .6003 | 1934 | R |
| 300. | Hank Aaron+ (23) | .6000 | 1957 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Vladimir Guerrero (23) | .6000 | 1999 | R | |
| 302. | Jim Rice (25) | .5997 | 1978 | R |
| Alex Rodriguez (27) | .5997 | 2003 | R | |
| 304. | Bob Hamelin* (26) | .5994 | 1994 | L |
| Al Simmons+ (23) | .5994 | 1925 | R | |
| 306. | Nomar Garciaparra (26) | .5992 | 2000 | R |
| 307. | Manny Ramirez (26) | .5990 | 1998 | R |
| 308. | John Olerud* (24) | .5989 | 1993 | L |
| 309. | Alex Rodriguez (32) | .5984 | 2008 | R |
| Hal Trosky* (21) | .5984 | 1934 | L | |
| 311. | Jason Giambi* (31) | .5982 | 2002 | L |
| 312. | Kiki Cuyler+ (26) | .5981 | 1925 | R |
| 313. | Vladimir Guerrero (28) | .5980 | 2004 | R |
| Scott Rolen (29) | .5980 | 2004 | R | |
| Jim Thome* (35) | .5980 | 2006 | L | |
| 316. | Harry Heilmann+ (27) | .5978 | 1922 | R |
| Duke Snider+* (29) | .5978 | 1956 | L | |
| 318. | Lance Berkman# (32) | .5977 | 2008 | B |
| Shawn Green* (28) | .5977 | 2001 | L | |
| 320. | Ty Cobb+* (38) | .5976 | 1925 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Joe DiMaggio+ (33) | .5976 | 1948 | R | |
| 322. | Reggie Jackson+* (34) | .5973 | 1980 | L |
| 323. | Joe Adcock (28) | .5969 | 1956 | R |
| Greg Vaughn (32) | .5969 | 1998 | R | |
| 325. | Jack Clark (31) | .5967 | 1987 | R |
| 326. | Magglio Ordonez (28) | .5966 | 2002 | R |
| 327. | Stan Musial+* (29) | .5964 | 1950 | L |
| 328. | Jeff Kent (32) | .5962 | 2000 | R |
| 329. | Jim Rice (26) | .5961 | 1979 | R |
| 330. | David Justice* (31) | .5960 | 1997 | L |
| 331. | Ernie Banks+ (28) | .5959 | 1959 | R |
| 332. | Ty Cobb+* (34) | .5957 | 1921 | L |
| 333. | Ernie Banks+ (24) | .5956 | 1955 | R |
| 334. | Edgar Martinez (33) | .5952 | 1996 | R |
| 335. | Magglio Ordonez (33) | .5950 | 2007 | R |
| 336. | Frank Robinson+ (24) | .5948 | 1960 | R |
| 337. | Andres Galarraga (37) | .5946 | 1998 | R |
| Travis Hafner* (28) | .5946 | 2005 | L | |
| Johnny Mize+* (24) | .5946 | 1937 | L | |
| 340. | Carlos Beltran# (29) | .5941 | 2006 | B |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 341. | Tim Salmon (26) | .5940 | 1995 | R |
| 342. | Brian Giles* (29) | .5939 | 2000 | L |
| Greg Luzinski (26) | .5939 | 1977 | R | |
| Manny Ramirez (33) | .5939 | 2005 | R | |
| George Sisler+* (29) | .5939 | 1922 | L | |
| 346. | Hank Aaron+ (27) | .5937 | 1961 | R |
| 347. | Ted Williams+* (21) | .5936 | 1940 | L |
| 348. | Sammy Sosa (33) | .5935 | 2002 | R |
| 349. | Jim Rice (24) | .5932 | 1977 | R |
| 350. | Carlos Delgado* (31) | .5930 | 2003 | L |
| Danny Tartabull (28) | .5930 | 1991 | R | |
| 352. | Eric Davis (25) | .5928 | 1987 | R |
| Vladimir Guerrero (26) | .5928 | 2002 | R | |
| 354. | Eddie Mathews+* (27) | .5926 | 1959 | L |
| 355. | Moises Alou (27) | .5924 | 1994 | R |
| Carlos Delgado* (26) | .5924 | 1998 | L | |
| 357. | Andres Galarraga (33) | .5923 | 1994 | R |
| 358. | Bob Cerv (32) | .5922 | 1958 | R |
| 359. | Jeff Bagwell (29) | .5919 | 1997 | R |
| Carl Yastrzemski+* (30) | .5919 | 1970 | L | |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 361. | Cecil Fielder (26) | .5916 | 1990 | R |
| 362. | Mickey Mantle+# (26) | .5915 | 1958 | B |
| David Ortiz* (27) | .5915 | 2003 | L | |
| 364. | Mickey Mantle+# (32) | .5914 | 1964 | B |
| Andy Pafko (29) | .5914 | 1950 | R | |
| 366. | Mel Ott+* (25) | .5911 | 1934 | L |
| Mo Vaughn* (30) | .5911 | 1998 | L | |
| 368. | Jeff Bagwell (31) | .5908 | 1999 | R |
| 369. | Ralph Kiner+ (27) | .5905 | 1950 | R |
| 370. | Brian Giles* (30) | .5903 | 2001 | L |
| 371. | Juan Gonzalez (31) | .5902 | 2001 | R |
| Joe Jackson* (21) | .5902 | 1911 | L | |
| 373. | Ross Barnes (26) | .5901 | 1876 | R |
| Roy Campanella+ (29) | .5901 | 1951 | R | |
| 375. | Ed Delahanty+ (34) | .5898 | 1902 | R |
| 376. | Chick Hafey+ (24) | .5896 | 1927 | R |
| 377. | Joe Jackson* (30) | .5895 | 1920 | L |
| 378. | Tony Perez+ (28) | .5894 | 1970 | R |
| 379. | Hal Trosky* (26) | .5893 | 1939 | L |
| 380. | Vinny Castilla (30) | .5891 | 1998 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Juan Gonzalez (27) | .5891 | 1997 | R | |
| Vladimir Guerrero (22) | .5891 | 1998 | R | |
| 383. | Rico Petrocelli (26) | .5888 | 1969 | R |
| 384. | Ryan Braun (24) | .5886 | 2008 | R |
| 385. | Hack Wilson+ (28) | .5885 | 1928 | R |
| 386. | Jack Fournier* (33) | .5884 | 1923 | L |
| 387. | Wade Boggs+* (29) | .5880 | 1987 | L |
| Shawn Green* (26) | .5880 | 1999 | L | |
| Mel Ott+* (27) | .5880 | 1936 | L | |
| 390. | Geoff Jenkins* (25) | .5879 | 2000 | L |
| Phil Nevin (30) | .5879 | 2001 | R | |
| 392. | Dolph Camilli* (30) | .5874 | 1937 | L |
| 393. | Larry Walker* (27) | .5873 | 1994 | L |
| 394. | Manny Ramirez (31) | .5870 | 2003 | R |
| 395. | Johnny Bench+ (22) | .5868 | 1970 | R |
| 396. | Carl Everett# (29) | .5867 | 2000 | B |
| 397. | Duke Snider+* (30) | .5866 | 1957 | L |
| 398. | Todd Helton* (25) | .5865 | 1999 | L |
| Stan Musial+* (25) | .5865 | 1946 | L | |
| Billy Williams+* (32) | .5865 | 1970 | L | |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| 401. | Hank Aaron+ (29) | .5864 | 1963 | R |
| Walker Cooper (32) | .5864 | 1947 | R | |
| Matt Holliday (26) | .5864 | 2006 | R | |
| Carlos Quentin (25) | .5864 | 2008 | R | |
| 405. | Jeff Heath* (26) | .5863 | 1941 | L |
| Rogers Hornsby+ (31) | .5863 | 1927 | R | |
| 407. | Willie McCovey+* (28) | .5857 | 1966 | L |
| Alex Rodriguez (23) | .5857 | 1999 | R | |
| 409. | George Brett+* (32) | .5854 | 1985 | L |
| 410. | Matt Holliday (28) | .5853 | 2008 | R |
| 411. | Dave Parker* (27) | .5852 | 1978 | L |
| 412. | Andres Galarraga (36) | .5850 | 1997 | R |
| Ted Kluszewski* (30) | .5850 | 1955 | L | |
| Ray Lankford* (30) | .5850 | 1997 | L | |
| 415. | Ed Delahanty+ (26) | .5849 | 1894 | R |
| 416. | Joe DiMaggio+ (35) | .5848 | 1950 | R |
| 417. | Chris Hoiles (28) | .5847 | 1993 | R |
| 418. | Barry Bonds* (32) | .5846 | 1997 | L |
| Mark McGwire (28) | .5846 | 1992 | R | |
| 420. | Nomar Garciaparra (24) | .5844 | 1998 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Carl Reynolds (27) | .5844 | 1930 | R | |
| 422. | Chuck Klein+* (26) | .5842 | 1931 | L |
| 423. | Ty Cobb+* (25) | .5841 | 1912 | L |
| Lou Gehrig+* (26) | .5841 | 1929 | L | |
| Ryan Howard* (27) | .5841 | 2007 | L | |
| Jim Thome* (27) | .5841 | 1998 | L | |
| 427. | David Justice* (34) | .5840 | 2000 | L |
| 428. | Willie Mays+ (30) | .5839 | 1961 | R |
| Ted Williams+* (39) | .5839 | 1958 | L | |
| 430. | Harmon Killebrew+ (33) | .5838 | 1969 | R |
| Gary Sheffield (25) | .5838 | 1994 | R | |
| 432. | Rico Carty (30) | .5837 | 1970 | R |
| 433. | Willie Mays+ (27) | .5833 | 1958 | R |
| Frank Robinson+ (23) | .5833 | 1959 | R | |
| Rudy York (26) | .5833 | 1940 | R | |
| 436. | Ed Delahanty+ (25) | .5832 | 1893 | R |
| Walt Dropo (27) | .5832 | 1950 | R | |
| Lou Gehrig+* (32) | .5832 | 1935 | L | |
| 439. | Roy Campanella+ (33) | .5830 | 1955 | R |
| Travis Hafner* (27) | .5830 | 2004 | L | |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Rafael Palmeiro* (30) | .5830 | 1995 | L | |
| 442. | Jim Edmonds* (30) | .5829 | 2000 | L |
| 443. | Milton Bradley# (30) | .5828 | 2008 | B |
| 444. | Darryl Strawberry* (25) | .5827 | 1987 | L |
| Mo Vaughn* (28) | .5827 | 1996 | L | |
| 446. | Willie Mays+ (28) | .5826 | 1959 | R |
| 447. | Mel Ott+* (29) | .5825 | 1938 | L |
| Gary Sheffield (32) | .5825 | 2001 | R | |
| 449. | Moises Alou (31) | .5822 | 1998 | R |
| Willie Mays+ (32) | .5822 | 1963 | R | |
| 451. | Eric Davis (36) | .5819 | 1998 | R |
| 452. | Ed Delahanty+ (31) | .5818 | 1899 | R |
| Manny Ramirez (24) | .5818 | 1996 | R | |
| 454. | Jim Hickman (33) | .5817 | 1970 | R |
| Babe Ruth+* (38) | .5817 | 1933 | L | |
| 456. | Carlos Delgado* (33) | .5816 | 2005 | L |
| 457. | Willie Stargell+* (26) | .5814 | 1966 | L |
| 458. | Roger Maris* (25) | .5812 | 1960 | L |
| 459. | Joe DiMaggio+ (23) | .5810 | 1938 | R |
| 460. | Dan Brouthers+* (28) | .5808 | 1886 | L |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Mel Ott+* (30) | .5808 | 1939 | L | |
| Dick Stuart (28) | .5808 | 1961 | R | |
| 463. | Jim Thome* (33) | .5807 | 2004 | L |
| 464. | Jimmie Foxx+ (32) | .5806 | 1940 | R |
| 465. | Jake Stenzel (27) | .5805 | 1894 | R |
| 466. | Carl Furillo (31) | .5804 | 1953 | R |
| 467. | Will Clark* (23) | .5803 | 1987 | L |
| 468. | Bill Terry+* (33) | .5801 | 1932 | L |
| 469. | Dale Alexander (26) | .5799 | 1929 | R |
| Charlie Keller* (24) | .5799 | 1941 | L | |
| Gary Sheffield (23) | .5799 | 1992 | R | |
| 472. | Rocky Colavito (27) | .5798 | 1961 | R |
| 473. | Dale Murphy (31) | .5795 | 1987 | R |
| 474. | Ernie Banks+ (26) | .5791 | 1957 | R |
| Edgar Martinez (37) | .5791 | 2000 | R | |
| 476. | Hack Wilson+ (27) | .5790 | 1927 | R |
| 477. | Rudy York (24) | .5788 | 1938 | R |
| 478. | Joe Jackson* (22) | .5787 | 1912 | L |
| Roy Sievers (30) | .5787 | 1957 | R | |
| 480. | Gil Hodges (30) | .5786 | 1954 | R |
| Rank | Player (age that year) | Slugging % | Year | Bats |
| Jim Thome* (26) | .5786 | 1997 | L | |
| 482. | Reggie Sanders (27) | .5785 | 1995 | R |
| 483. | Jim Bottomley+* (25) | .5784 | 1925 | L |
| Cliff Floyd* (28) | .5784 | 2001 | L | |
| 485. | Trot Nixon* (29) | .5782 | 2003 | L |
| 486. | Tris Speaker+* (37) | .5781 | 1925 | L |
| 487. | Robin Yount+ (26) | .5780 | 1982 | R |
| 488. | Lance Berkman# (26) | .5778 | 2002 | B |
| Bret Boone (32) | .5778 | 2001 | R | |
| 490. | Mel Ott+* (21) | .5777 | 1930 | L |
| Aramis Ramirez (26) | .5777 | 2004 | R | |
| 492. | Dolph Camilli* (29) | .5774 | 1936 | L |
| Tino Martinez* (29) | .5774 | 1997 | L | |
| 494. | Harry Heilmann+ (35) | .5773 | 1930 | R |
| Bobby Higginson* (25) | .5773 | 1996 | L | |
| Johnny Mize+* (23) | .5773 | 1936 | L | |
| 497. | Barry Bonds* (30) | .5771 | 1995 | L |
| Chipper Jones# (36) | .5771 | 2008 | B | |
| 499. | Pedro Guerrero (29) | .5770 | 1985 | R |
| Tommy Holmes* (28) | .5770 | 1945 | L | |
| Joe Medwick+ (24) | .5770 | 1936 | R |
Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.
Stats updated through August 18, 2008.
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