Single-Season Leaders & Records for Adj. Pitching Runs
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| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
|---|---|---|---|---|---|
| 1. | Amos Rusie+ (23) | 112 | 1894 | 444.0 | R |
| 2. | Old Hoss Radbourn+ (29) | 110 | 1884 | 678.2 | R |
| 3. | Guy Hecker (28) | 98 | 1884 | 670.2 | R |
| 4. | John Clarkson+ (27) | 93 | 1889 | 620.0 | R |
| 5. | Silver King (20) | 91 | 1888 | 584.2 | R |
| 6. | Tim Keefe+ (26) | 83 | 1883 | 619.0 | R |
| 7. | Silver King (22) | 82 | 1890 | 461.0 | R |
| 8. | Pedro Martinez+ (28) | 79 | 2000 | 217.0 | R |
| 9. | Pud Galvin+ (27) | 78 | 1884 | 636.1 | R |
| Cy Young+ (34) | 78 | 1901 | 371.1 | R | |
| 11. | Walter Johnson+ (24) | 76 | 1912 | 369.0 | R |
| 12. | Jouett Meekin (27) | 75 | 1894 | 418.0 | R |
| 13. | Roger Clemens (34) | 74 | 1997 | 264.0 | R |
| Lefty Grove+ (31) | 74 | 1931 | 288.2 | L | |
| 15. | Cy Young+ (28) | 73 | 1895 | 369.2 | R |
| 16. | Kid Nichols+ (27) | 72 | 1897 | 368.0 | R |
| Old Hoss Radbourn+ (28) | 72 | 1883 | 632.1 | R | |
| Elmer Smith (19) | 72 | 1887 | 447.1 | L | |
| 19. | John Clarkson+ (25) | 71 | 1887 | 523.0 | R |
| Walter Johnson+ (25) | 71 | 1913 | 346.0 | R | |
| Amos Rusie+ (22) | 71 | 1893 | 482.0 | R | |
| Will White (28) | 71 | 1883 | 577.0 | R | |
| 23. | Cy Young+ (25) | 70 | 1892 | 453.0 | R |
| 24. | John Clarkson+ (23) | 69 | 1885 | 623.0 | R |
| Dave Foutz (29) | 69 | 1886 | 504.0 | R | |
| Dolf Luque (32) | 69 | 1923 | 322.0 | R | |
| 27. | Lefty Grove+ (30) | 68 | 1930 | 291.0 | L |
| Matt Kilroy (21) | 68 | 1887 | 589.1 | L | |
| Kid Nichols+ (23) | 68 | 1893 | 425.0 | R | |
| Charlie Sweeney (21) | 68 | 1884 | 492.0 | R | |
| 31. | Lefty Gomez+ (28) | 67 | 1937 | 278.1 | L |
| Lefty Grove+ (36) | 67 | 1936 | 253.1 | L | |
| Pedro Martinez+ (27) | 67 | 1999 | 213.1 | R | |
| Kid Nichols+ (20) | 67 | 1890 | 424.0 | R | |
| Scott Stratton (20) | 67 | 1890 | 431.0 | R | |
| 36. | Red Faber+ (32) | 66 | 1921 | 330.2 | R |
| Toad Ramsey (21) | 66 | 1886 | 588.2 | L | |
| Billy Rhines (21) | 66 | 1890 | 401.1 | R | |
| Cy Young+ (26) | 66 | 1893 | 422.2 | R | |
| 40. | Kid Nichols+ (28) | 65 | 1898 | 388.0 | R |
| 41. | Theodore Breitenstein (24) | 64 | 1893 | 382.2 | L |
| Pink Hawley (22) | 64 | 1895 | 444.1 | R | |
| Billy Taylor (29) | 64 | 1884 | 523.0 | R | |
| Cy Young+ (27) | 64 | 1894 | 408.2 | R | |
| 45. | Bob Caruthers (21) | 63 | 1885 | 482.1 | R |
| Bob Feller+ (21) | 63 | 1940 | 320.1 | R | |
| Dwight Gooden (20) | 63 | 1985 | 276.2 | R | |
| Dazzy Vance+ (39) | 63 | 1930 | 258.2 | R | |
| 49. | Kid Nichols+ (25) | 62 | 1895 | 390.2 | R |
| 50. | Steve Carlton+ (27) | 61 | 1972 | 346.1 | L |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Randy Johnson+ (35) | 61 | 1999 | 271.2 | L | |
| Slim Jones (21) | 61 | 1934 | 203.0 | L | |
| Greg Maddux+ (29) | 61 | 1995 | 209.2 | R | |
| Ed Morris (22) | 61 | 1885 | 581.0 | L | |
| Vic Willis+ (23) | 61 | 1899 | 342.2 | R | |
| 56. | Bob Gibson+ (32) | 60 | 1968 | 304.2 | R |
| Lefty Gomez+ (25) | 60 | 1934 | 281.2 | L | |
| Clark Griffith+ (28) | 60 | 1898 | 325.2 | R | |
| Bill Hoffer (24) | 60 | 1895 | 314.0 | R | |
| Carl Hubbell+ (33) | 60 | 1936 | 304.0 | L | |
| Sandy Koufax+ (30) | 60 | 1966 | 323.0 | L | |
| Will White (27) | 60 | 1882 | 480.0 | R | |
| 63. | Charlie Buffinton (23) | 59 | 1884 | 587.0 | R |
| Jim Devlin (27) | 59 | 1876 | 622.0 | R | |
| Ron Guidry (27) | 59 | 1978 | 273.2 | L | |
| Ed Morris (23) | 59 | 1886 | 555.1 | L | |
| Bullet Rogan+ (31) | 59 | 1925 | 155.1 | R | |
| Mickey Welch+ (25) | 59 | 1885 | 492.0 | R | |
| 69. | Christy Mathewson+ (24) | 58 | 1905 | 338.2 | R |
| Hal Newhouser+ (24) | 58 | 1945 | 313.1 | L | |
| Robin Roberts+ (26) | 58 | 1953 | 346.2 | R | |
| Dazzy Vance+ (37) | 58 | 1928 | 280.1 | R | |
| Cy Young+ (35) | 58 | 1902 | 384.2 | R | |
| 74. | Grover Alexander+ (28) | 57 | 1915 | 376.1 | R |
| Lady Baldwin (27) | 57 | 1886 | 487.0 | L | |
| Ray Brown+ (32) | 57 | 1940 | 165.1 | R | |
| Dean Chance (23) | 57 | 1964 | 278.1 | R | |
| Lefty Grove+ (32) | 57 | 1932 | 291.2 | L | |
| Bill Hutchison (30) | 57 | 1890 | 603.0 | R | |
| Randy Johnson+ (37) | 57 | 2001 | 249.2 | L | |
| Greg Maddux+ (28) | 57 | 1994 | 202.0 | R | |
| Pedro Martinez+ (25) | 57 | 1997 | 241.1 | R | |
| Tony Mullane (24) | 57 | 1883 | 460.2 | R | |
| Warren Spahn+ (32) | 57 | 1953 | 265.2 | L | |
| Cy Young+ (29) | 57 | 1896 | 414.1 | R | |
| 86. | Kevin Brown (31) | 56 | 1996 | 233.0 | R |
| George Cuppy (26) | 56 | 1896 | 358.0 | R | |
| Zack Greinke (25) | 56 | 2009 | 229.1 | R | |
| Randy Johnson+ (38) | 56 | 2002 | 260.0 | L | |
| Thornton Lee (34) | 56 | 1941 | 300.1 | L | |
| Dazzy Vance+ (33) | 56 | 1924 | 308.1 | R | |
| 92. | Ice Box Chamberlain (21) | 55 | 1889 | 421.2 | R |
| Bob Feller+ (20) | 55 | 1939 | 296.2 | R | |
| Charlie Ferguson (23) | 55 | 1886 | 395.2 | R | |
| Carl Hubbell+ (30) | 55 | 1933 | 308.2 | L | |
| Jim Palmer+ (29) | 55 | 1975 | 323.0 | R | |
| Amos Rusie+ (26) | 55 | 1897 | 322.1 | R | |
| Ed Seward (21) | 55 | 1888 | 518.2 | R | |
| Bucky Walters (30) | 55 | 1939 | 319.0 | R | |
| 100. | Vida Blue (21) | 54 | 1971 | 312.0 | L |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Dan Casey (24) | 54 | 1887 | 390.1 | L | |
| Roger Clemens (42) | 54 | 2005 | 211.1 | R | |
| Jim Devlin (28) | 54 | 1877 | 559.0 | R | |
| Jesse Duryea (29) | 54 | 1889 | 401.0 | R | |
| Bill Foster+ (22) | 54 | 1926 | 174.2 | L | |
| Zack Greinke (31) | 54 | 2015 | 222.2 | R | |
| Lefty Grove+ (35) | 54 | 1935 | 273.0 | L | |
| Carl Hubbell+ (31) | 54 | 1934 | 313.0 | L | |
| Randy Johnson+ (31) | 54 | 1995 | 214.1 | L | |
| Greg Maddux+ (31) | 54 | 1997 | 232.2 | R | |
| Kid Nichols+ (26) | 54 | 1896 | 372.1 | R | |
| Johan Santana (25) | 54 | 2004 | 228.0 | L | |
| Tom Seaver+ (26) | 54 | 1971 | 286.1 | R | |
| Smoky Joe Wood (22) | 54 | 1912 | 344.0 | R | |
| Wilbur Wood (29) | 54 | 1971 | 334.0 | L | |
| 116. | George Bradley (23) | 53 | 1876 | 573.0 | R |
| Claude Hendrix (25) | 53 | 1914 | 362.0 | R | |
| Randy Johnson+ (33) | 53 | 1997 | 213.0 | L | |
| Randy Johnson+ (36) | 53 | 2000 | 248.2 | L | |
| Jim McCormick (27) | 53 | 1884 | 569.0 | R | |
| Hal Newhouser+ (25) | 53 | 1946 | 292.2 | L | |
| Toad Ramsey (22) | 53 | 1887 | 561.0 | L | |
| Warren Spahn+ (26) | 53 | 1947 | 289.2 | L | |
| 124. | Jake Arrieta (29) | 52 | 2015 | 229.0 | R |
| Kid Gleason (24) | 52 | 1890 | 506.0 | R | |
| Pat Hentgen (27) | 52 | 1996 | 265.2 | R | |
| Greg Maddux+ (32) | 52 | 1998 | 251.0 | R | |
| Joe McGinnity+ (33) | 52 | 1904 | 408.0 | R | |
| Tony Mullane (28) | 52 | 1887 | 416.1 | R | |
| Tom Seaver+ (28) | 52 | 1973 | 290.0 | R | |
| Dizzy Trout (29) | 52 | 1944 | 352.1 | R | |
| Justin Verlander (36) | 52 | 2019 | 223.0 | R | |
| 133. | Grover Alexander+ (33) | 51 | 1920 | 363.1 | R |
| Kevin Appier (25) | 51 | 1993 | 238.2 | R | |
| Dizzy Dean+ (24) | 51 | 1934 | 311.2 | R | |
| Jacob deGrom (30) | 51 | 2018 | 217.0 | R | |
| Bob Feller+ (27) | 51 | 1946 | 371.1 | R | |
| Walter Johnson+ (27) | 51 | 1915 | 336.2 | R | |
| Walter Johnson+ (31) | 51 | 1919 | 290.1 | R | |
| Mel Parnell (27) | 51 | 1949 | 295.1 | L | |
| 141. | Johnny Antonelli (24) | 50 | 1954 | 258.2 | L |
| Charlie Buffinton (30) | 50 | 1891 | 363.2 | R | |
| Roger Clemens (24) | 50 | 1987 | 281.2 | R | |
| Roger Clemens (27) | 50 | 1990 | 228.1 | R | |
| Roger Clemens (35) | 50 | 1998 | 234.2 | R | |
| George Cuppy (25) | 50 | 1895 | 353.0 | R | |
| Bob Gibson+ (33) | 50 | 1969 | 314.0 | R | |
| Lefty Grove+ (37) | 50 | 1937 | 262.0 | L | |
| Tim Keefe+ (27) | 50 | 1884 | 483.0 | R | |
| Silver King (21) | 50 | 1889 | 458.0 | R | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Corey Kluber (31) | 50 | 2017 | 203.2 | R | |
| Tony Mullane (25) | 50 | 1884 | 567.0 | R | |
| John Tudor (31) | 50 | 1985 | 275.0 | L | |
| Johnny Wright (26) | 50 | 1943 | 181.0 | R | |
| 155. | Mark Baldwin (26) | 49 | 1890 | 492.0 | R |
| Bob Caruthers (22) | 49 | 1886 | 387.1 | R | |
| Roger Clemens (23) | 49 | 1986 | 254.0 | R | |
| Gerrit Cole (28) | 49 | 2019 | 212.1 | R | |
| Red Faber+ (33) | 49 | 1922 | 352.0 | R | |
| George Haddock (24) | 49 | 1891 | 379.2 | R | |
| Mel Harder (24) | 49 | 1934 | 255.1 | R | |
| Walter Johnson+ (30) | 49 | 1918 | 326.0 | R | |
| Jimmy Key (26) | 49 | 1987 | 261.0 | L | |
| Derek Lowe (29) | 49 | 2002 | 219.2 | R | |
| Juan Marichal+ (28) | 49 | 1966 | 307.1 | R | |
| Pedro Martinez+ (31) | 49 | 2003 | 186.2 | R | |
| Joe McGinnity+ (32) | 49 | 1903 | 434.0 | R | |
| James McJames (23) | 49 | 1898 | 374.0 | R | |
| Gaylord Perry+ (33) | 49 | 1972 | 342.2 | R | |
| Bret Saberhagen (25) | 49 | 1989 | 262.1 | R | |
| Ed Walsh+ (31) | 49 | 1912 | 393.0 | R | |
| 172. | Ewell Blackwell (24) | 48 | 1947 | 273.0 | R |
| Harry Brecheen (33) | 48 | 1948 | 233.1 | L | |
| Bob Caruthers (23) | 48 | 1887 | 341.0 | R | |
| Eddie Cicotte (35) | 48 | 1919 | 306.2 | R | |
| Tim Keefe+ (31) | 48 | 1888 | 434.1 | R | |
| Sandy Koufax+ (29) | 48 | 1965 | 335.2 | L | |
| Juan Marichal+ (27) | 48 | 1965 | 295.1 | R | |
| Joe McGinnity+ (28) | 48 | 1899 | 366.1 | R | |
| Sadie McMahon (23) | 48 | 1891 | 503.0 | R | |
| Ed Morris (21) | 48 | 1884 | 429.2 | L | |
| Kid Nichols+ (24) | 48 | 1894 | 407.0 | R | |
| Ed Reulbach (22) | 48 | 1905 | 291.2 | R | |
| Curt Schilling (34) | 48 | 2001 | 256.2 | R | |
| Justin Verlander (28) | 48 | 2011 | 251.0 | R | |
| Cy Young+ (32) | 48 | 1899 | 369.1 | R | |
| 187. | Grover Alexander+ (29) | 47 | 1916 | 389.0 | R |
| Bert Blyleven+ (22) | 47 | 1973 | 325.0 | R | |
| Steve Carlton+ (35) | 47 | 1980 | 304.0 | L | |
| Stan Coveleski+ (30) | 47 | 1920 | 315.0 | R | |
| Cy Falkenberg (34) | 47 | 1914 | 377.1 | R | |
| Walter Johnson+ (26) | 47 | 1914 | 371.2 | R | |
| Dolf Luque (34) | 47 | 1925 | 291.0 | R | |
| Pedro Martinez+ (26) | 47 | 1998 | 233.2 | R | |
| Pedro Martinez+ (30) | 47 | 2002 | 199.1 | R | |
| Jumbo McGinnis (29) | 47 | 1883 | 382.2 | ||
| Dave Stieb (27) | 47 | 1985 | 265.0 | R | |
| Jack Stivetts (23) | 47 | 1891 | 440.0 | R | |
| Jack Taylor (28) | 47 | 1902 | 333.2 | R | |
| Rube Waddell+ (25) | 47 | 1902 | 276.1 | L | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| 201. | Tommy Bond (23) | 46 | 1879 | 555.1 | R |
| Kevin Brown (33) | 46 | 1998 | 257.0 | R | |
| Kevin Brown (35) | 46 | 2000 | 230.0 | R | |
| Roger Clemens (28) | 46 | 1991 | 271.1 | R | |
| Mort Cooper (29) | 46 | 1942 | 278.2 | R | |
| Randy Johnson+ (40) | 46 | 2004 | 245.2 | L | |
| Clayton Kershaw (25) | 46 | 2013 | 236.0 | L | |
| Sandy Koufax+ (27) | 46 | 1963 | 311.0 | L | |
| Greg Maddux+ (27) | 46 | 1993 | 267.0 | R | |
| Bobo Newsom (32) | 46 | 1940 | 264.0 | R | |
| Kid Nichols+ (21) | 46 | 1891 | 425.1 | R | |
| Jim Palmer+ (27) | 46 | 1973 | 296.1 | R | |
| Billy Pierce (28) | 46 | 1955 | 205.2 | L | |
| José Rijo (28) | 46 | 1993 | 257.1 | R | |
| Blake Snell (25) | 46 | 2018 | 180.2 | L | |
| Frank Viola (27) | 46 | 1987 | 251.2 | L | |
| Ed Walsh+ (27) | 46 | 1908 | 464.0 | R | |
| Bucky Walters (31) | 46 | 1940 | 305.0 | R | |
| Lon Warneke (23) | 46 | 1932 | 277.0 | R | |
| Early Wynn+ (36) | 46 | 1956 | 277.2 | R | |
| 221. | Mordecai Brown+ (29) | 45 | 1906 | 277.1 | R |
| Mordecai Brown+ (32) | 45 | 1909 | 342.2 | R | |
| Charlie Buffinton (27) | 45 | 1888 | 400.1 | R | |
| Mike Caldwell (29) | 45 | 1978 | 293.1 | L | |
| Eddie Cicotte (33) | 45 | 1917 | 346.2 | R | |
| Jack Coombs (27) | 45 | 1910 | 353.0 | R | |
| Frank Dwyer (28) | 45 | 1896 | 288.2 | R | |
| Tom Glavine+ (32) | 45 | 1998 | 229.1 | L | |
| Lefty Grove+ (39) | 45 | 1939 | 191.0 | L | |
| Roy Halladay+ (33) | 45 | 2010 | 250.2 | R | |
| Tim Hudson (27) | 45 | 2003 | 240.0 | R | |
| Tim Keefe+ (28) | 45 | 1885 | 400.0 | R | |
| Greg Maddux+ (34) | 45 | 2000 | 249.1 | R | |
| Christy Mathewson+ (22) | 45 | 1903 | 366.1 | R | |
| Phil Niekro+ (35) | 45 | 1974 | 302.1 | R | |
| Herb Pennock+ (30) | 45 | 1924 | 286.1 | L | |
| Andy Pettitte (33) | 45 | 2005 | 222.1 | L | |
| Johnny Sain (30) | 45 | 1948 | 314.2 | R | |
| Johan Santana (27) | 45 | 2006 | 233.2 | L | |
| Jason Schmidt (30) | 45 | 2003 | 207.2 | R | |
| Herb Score (23) | 45 | 1956 | 249.1 | L | |
| Mike Scott (31) | 45 | 1986 | 275.1 | R | |
| George Uhle (27) | 45 | 1926 | 318.1 | R | |
| Jim Whitney (25) | 45 | 1883 | 514.0 | R | |
| 245. | Sandy Alcántara (26) | 44 | 2022 | 228.2 | R |
| Johnny Allen (31) | 44 | 1936 | 243.0 | R | |
| Jim Bunning+ (34) | 44 | 1966 | 314.0 | R | |
| John Clarkson+ (24) | 44 | 1886 | 466.2 | R | |
| Dave Davenport (25) | 44 | 1915 | 392.2 | R | |
| Mark Eichhorn (25) | 44 | 1986 | 157.0 | R | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Dick Ellsworth (23) | 44 | 1963 | 290.2 | L | |
| Félix Hernández (23) | 44 | 2009 | 238.2 | R | |
| Walter Johnson+ (36) | 44 | 1924 | 277.2 | R | |
| Frank Killen (22) | 44 | 1893 | 415.0 | L | |
| Tim Lincecum (24) | 44 | 2008 | 227.0 | R | |
| Esteban Loaiza (31) | 44 | 2003 | 226.1 | R | |
| Juan Marichal+ (31) | 44 | 1969 | 299.2 | R | |
| Jim McCormick (26) | 44 | 1883 | 342.0 | R | |
| Kevin Millwood (24) | 44 | 1999 | 228.0 | R | |
| Robin Roberts+ (27) | 44 | 1954 | 336.2 | R | |
| Johan Santana (29) | 44 | 2008 | 234.1 | L | |
| Tom Seaver+ (24) | 44 | 1969 | 273.1 | R | |
| Ed Walsh+ (29) | 44 | 1910 | 369.2 | R | |
| Ed Walsh+ (30) | 44 | 1911 | 368.2 | R | |
| Laymon Yokely (22) | 44 | 1928 | 175.1 | R | |
| 266. | Gene Bearden (27) | 43 | 1948 | 229.2 | L |
| Larry Benton (30) | 43 | 1928 | 310.1 | R | |
| Charlie Buffinton (28) | 43 | 1889 | 380.0 | R | |
| John Candelaria (23) | 43 | 1977 | 230.2 | L | |
| Jack Chesbro+ (30) | 43 | 1904 | 454.2 | R | |
| Roger Clemens (29) | 43 | 1992 | 246.2 | R | |
| Curt Davis (30) | 43 | 1934 | 274.1 | R | |
| Red Ehret (21) | 43 | 1890 | 359.0 | R | |
| Wes Ferrell (22) | 43 | 1930 | 296.2 | R | |
| Vean Gregg (26) | 43 | 1911 | 244.2 | L | |
| Juan Guzmán (29) | 43 | 1996 | 187.2 | R | |
| Roy Halladay+ (32) | 43 | 2009 | 239.0 | R | |
| Bill Hands (29) | 43 | 1969 | 300.0 | R | |
| Félix Hernández (24) | 43 | 2010 | 249.2 | R | |
| Ken Hill (30) | 43 | 1996 | 250.2 | R | |
| Walter Johnson+ (22) | 43 | 1910 | 370.0 | R | |
| Cliff Lee (29) | 43 | 2008 | 223.1 | L | |
| Bob Lemon+ (27) | 43 | 1948 | 293.2 | R | |
| Dutch Leonard (22) | 43 | 1914 | 224.2 | L | |
| Tim Lincecum (25) | 43 | 2009 | 225.1 | R | |
| Greg Maddux+ (26) | 43 | 1992 | 268.0 | R | |
| Greg Maddux+ (30) | 43 | 1996 | 245.0 | R | |
| Christy Mathewson+ (27) | 43 | 1908 | 390.2 | R | |
| Andy Messersmith (29) | 43 | 1975 | 321.2 | R | |
| Hal Newhouser+ (23) | 43 | 1944 | 312.1 | L | |
| Kid Nichols+ (29) | 43 | 1899 | 343.1 | R | |
| Mike Norris (25) | 43 | 1980 | 284.1 | R | |
| Andy Pettitte (25) | 43 | 1997 | 240.1 | L | |
| Red Ruffing+ (32) | 43 | 1937 | 256.1 | R | |
| CC Sabathia (27) | 43 | 2008 | 253.0 | L | |
| Bobby Shantz (26) | 43 | 1952 | 279.2 | L | |
| Al Spalding+ (25) | 43 | 1876 | 528.2 | R | |
| Tommy Thomas (27) | 43 | 1927 | 307.2 | R | |
| Virgil Trucks (32) | 43 | 1949 | 275.0 | R | |
| Whit Wyatt (33) | 43 | 1941 | 288.1 | R | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| 301. | Grover Alexander+ (40) | 42 | 1927 | 268.0 | R |
| Ralph Branca (21) | 42 | 1947 | 280.0 | R | |
| Tommy Bridges (29) | 42 | 1936 | 294.2 | R | |
| Chris Carpenter (34) | 42 | 2009 | 192.2 | R | |
| Spud Chandler (35) | 42 | 1943 | 253.0 | R | |
| Lefty Grove+ (29) | 42 | 1929 | 275.1 | L | |
| Noodles Hahn (20) | 42 | 1899 | 309.0 | L | |
| Mike Hampton (26) | 42 | 1999 | 239.0 | L | |
| Egyptian Healy (23) | 42 | 1890 | 389.0 | R | |
| Guy Hecker (29) | 42 | 1885 | 480.0 | R | |
| Teddy Higuera (28) | 42 | 1986 | 248.1 | L | |
| Catfish Hunter+ (29) | 42 | 1975 | 328.0 | R | |
| Bill Hutchison (31) | 42 | 1891 | 561.0 | R | |
| Clayton Kershaw (27) | 42 | 2015 | 232.2 | L | |
| Frank Kitson (29) | 42 | 1899 | 326.2 | R | |
| Christy Mathewson+ (30) | 42 | 1911 | 307.0 | R | |
| Christy Mathewson+ (31) | 42 | 1912 | 310.0 | R | |
| Al Maul (32) | 42 | 1898 | 239.2 | R | |
| Carl Mays (29) | 42 | 1921 | 336.2 | R | |
| Bobo Newsom (31) | 42 | 1939 | 291.2 | R | |
| Aaron Nola (25) | 42 | 2018 | 212.1 | R | |
| Gaylord Perry+ (35) | 42 | 1974 | 322.1 | R | |
| Mark Prior (22) | 42 | 2003 | 211.1 | R | |
| Old Hoss Radbourn+ (35) | 42 | 1890 | 343.0 | R | |
| Rick Reuschel (28) | 42 | 1977 | 252.0 | R | |
| Max Scherzer (32) | 42 | 2017 | 200.2 | R | |
| Bob Shawkey (29) | 42 | 1920 | 267.2 | R | |
| Urban Shocker (31) | 42 | 1922 | 348.0 | R | |
| Blake Snell (30) | 42 | 2023 | 180.0 | L | |
| Lefty Stewart (29) | 42 | 1930 | 271.0 | L | |
| 331. | Hank Aguirre (31) | 41 | 1962 | 216.0 | L |
| Jim Bagby (30) | 41 | 1920 | 339.2 | R | |
| William Bell (28) | 41 | 1926 | 177.0 | R | |
| Tommy Bond (21) | 41 | 1877 | 521.0 | R | |
| Ray Brown+ (30) | 41 | 1938 | 129.0 | R | |
| Walker Buehler (26) | 41 | 2021 | 207.2 | R | |
| Stan Coveleski+ (35) | 41 | 1925 | 241.0 | R | |
| Jacob deGrom (31) | 41 | 2019 | 204.0 | R | |
| Clark Griffith+ (25) | 41 | 1895 | 353.0 | R | |
| Lefty Grove+ (26) | 41 | 1926 | 258.0 | L | |
| Kyle Hendricks (26) | 41 | 2016 | 190.0 | R | |
| Walter Johnson+ (23) | 41 | 1911 | 322.1 | R | |
| Matt Kilroy (23) | 41 | 1889 | 480.2 | L | |
| Sandy Koufax+ (28) | 41 | 1964 | 223.0 | L | |
| Christy Mathewson+ (28) | 41 | 1909 | 275.1 | R | |
| Sadie McMahon (26) | 41 | 1894 | 275.2 | R | |
| Mike Mussina+ (23) | 41 | 1992 | 241.0 | R | |
| Jake Peavy (26) | 41 | 2007 | 223.1 | R | |
| Eppa Rixey+ (34) | 41 | 1925 | 287.1 | L | |
| Robin Roberts+ (25) | 41 | 1952 | 330.0 | R | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Johan Santana (26) | 41 | 2005 | 231.2 | L | |
| Hilton Smith+ (30) | 41 | 1937 | 130.1 | R | |
| Bill Sweeney (26) | 41 | 1884 | 538.0 | R | |
| Justin Verlander (35) | 41 | 2018 | 214.0 | R | |
| Frank Viola (28) | 41 | 1988 | 255.1 | L | |
| 356. | Cy Blanton (26) | 40 | 1935 | 254.1 | R |
| Steve Carlton+ (32) | 40 | 1977 | 283.0 | L | |
| Gerrit Cole (32) | 40 | 2023 | 209.0 | R | |
| General Crowder (33) | 40 | 1932 | 327.0 | R | |
| Don Drysdale+ (27) | 40 | 1964 | 321.1 | R | |
| Russ Ford (31) | 40 | 1914 | 247.1 | R | |
| Whitey Ford+ (35) | 40 | 1964 | 244.2 | L | |
| Lefty Grove+ (28) | 40 | 1928 | 261.2 | L | |
| Jesse Haines+ (33) | 40 | 1927 | 300.2 | R | |
| Teddy Higuera (30) | 40 | 1988 | 227.1 | L | |
| Jay Hughes (25) | 40 | 1899 | 291.2 | R | |
| Tim Keefe+ (29) | 40 | 1886 | 535.0 | R | |
| Clayton Kershaw (26) | 40 | 2014 | 198.1 | L | |
| Clayton Kershaw (28) | 40 | 2016 | 149.0 | L | |
| Darryl Kile (28) | 40 | 1997 | 255.2 | R | |
| Ray Kremer (32) | 40 | 1927 | 226.0 | R | |
| Bill Lee (28) | 40 | 1938 | 291.0 | R | |
| Jon Lester (32) | 40 | 2016 | 202.2 | L | |
| Satchel Paige+ (27) | 40 | 1934 | 145.2 | R | |
| Bullet Rogan+ (27) | 40 | 1921 | 204.0 | R | |
| Chris Sale (29) | 40 | 2018 | 158.0 | L | |
| Max Scherzer (33) | 40 | 2018 | 220.2 | R | |
| Curt Schilling (37) | 40 | 2004 | 226.2 | R | |
| Tom Seaver+ (32) | 40 | 1977 | 261.1 | R | |
| Ben Sheets (25) | 40 | 2004 | 237.0 | R | |
| Dave Stieb (26) | 40 | 1984 | 267.0 | R | |
| Frank Tanana (23) | 40 | 1977 | 241.1 | L | |
| Luis Tiant (27) | 40 | 1968 | 258.1 | R | |
| Rube Waddell+ (27) | 40 | 1904 | 383.0 | L | |
| Rube Waddell+ (28) | 40 | 1905 | 328.2 | L | |
| Jered Weaver (28) | 40 | 2011 | 235.2 | R | |
| Brandon Webb (28) | 40 | 2007 | 236.1 | R | |
| Hoyt Wilhelm+ (36) | 40 | 1959 | 226.0 | R | |
| Vic Willis+ (25) | 40 | 1901 | 305.1 | R | |
| Nip Winters (26) | 40 | 1925 | 200.0 | L | |
| Barry Zito (24) | 40 | 2002 | 229.1 | L | |
| 392. | Grover Alexander+ (30) | 39 | 1917 | 388.0 | R |
| Johnny Allen (32) | 39 | 1937 | 173.0 | R | |
| Trevor Bauer (27) | 39 | 2018 | 175.1 | R | |
| Chet Brewer (22) | 39 | 1929 | 149.0 | R | |
| Dave Brown (27) | 39 | 1924 | 179.2 | L | |
| Spud Chandler (38) | 39 | 1946 | 257.1 | R | |
| David Cone (31) | 39 | 1994 | 171.2 | R | |
| Dizzy Dean+ (25) | 39 | 1935 | 325.1 | R | |
| Nelson Dean (26) | 39 | 1925 | 134.2 | R | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Dennis Eckersley+ (24) | 39 | 1979 | 246.2 | R | |
| Wes Ferrell (27) | 39 | 1935 | 322.1 | R | |
| Bill Foster+ (23) | 39 | 1927 | 217.0 | L | |
| Noodles Hahn (23) | 39 | 1902 | 321.0 | L | |
| Roy Halladay+ (25) | 39 | 2002 | 239.1 | R | |
| Roy Halladay+ (26) | 39 | 2003 | 266.0 | R | |
| Roy Halladay+ (34) | 39 | 2011 | 233.2 | R | |
| Mel Harder (25) | 39 | 1935 | 287.1 | R | |
| Carl Hubbell+ (29) | 39 | 1932 | 284.0 | L | |
| Ubaldo Jiménez (26) | 39 | 2010 | 221.2 | R | |
| Jim Kern (30) | 39 | 1979 | 143.0 | R | |
| Silver King (19) | 39 | 1887 | 390.0 | R | |
| Al Leiter (32) | 39 | 1998 | 193.0 | L | |
| Ted Lyons+ (26) | 39 | 1927 | 307.2 | R | |
| Wilcy Moore (30) | 39 | 1927 | 213.0 | R | |
| Johnny Rigney (25) | 39 | 1940 | 280.2 | R | |
| Bullet Rogan+ (29) | 39 | 1923 | 248.1 | R | |
| Red Ruffing+ (34) | 39 | 1939 | 233.1 | R | |
| Chris Sale (28) | 39 | 2017 | 214.1 | L | |
| Tom Seaver+ (25) | 39 | 1970 | 290.2 | R | |
| John Smoltz+ (29) | 39 | 1996 | 253.2 | R | |
| Monty Stratton (25) | 39 | 1937 | 164.2 | R | |
| Dizzy Trout (31) | 39 | 1946 | 276.1 | R | |
| Justin Verlander (29) | 39 | 2012 | 238.1 | R | |
| Lon Warneke (24) | 39 | 1933 | 287.1 | R | |
| Brandon Webb (27) | 39 | 2006 | 235.0 | R | |
| 427. | Sheriff Blake (28) | 38 | 1928 | 240.2 | R |
| Kevin Brown (32) | 38 | 1997 | 237.1 | R | |
| Kevin Brown (38) | 38 | 2003 | 211.0 | R | |
| Tom Candiotti (34) | 38 | 1991 | 238.0 | R | |
| Chris Carpenter (30) | 38 | 2005 | 241.2 | R | |
| John Clarkson+ (29) | 38 | 1891 | 460.2 | R | |
| Roger Clemens (31) | 38 | 1994 | 170.2 | R | |
| Roger Clemens (33) | 38 | 1996 | 242.2 | R | |
| Larry Dierker (22) | 38 | 1969 | 305.1 | R | |
| Charlie Ferguson (24) | 38 | 1887 | 297.1 | R | |
| Alex Fernandez (26) | 38 | 1996 | 258.0 | R | |
| Whitey Ford+ (27) | 38 | 1956 | 225.2 | L | |
| Kyle Freeland (25) | 38 | 2018 | 202.1 | L | |
| Lefty Gomez+ (22) | 38 | 1931 | 243.0 | L | |
| Roy Halladay+ (31) | 38 | 2008 | 246.0 | R | |
| Félix Hernández (28) | 38 | 2014 | 236.0 | R | |
| Art Houtteman (22) | 38 | 1950 | 274.2 | R | |
| Waite Hoyt+ (27) | 38 | 1927 | 256.1 | R | |
| Addie Joss+ (28) | 38 | 1908 | 325.0 | R | |
| Dallas Keuchel (27) | 38 | 2015 | 232.0 | L | |
| Jerry Koosman (26) | 38 | 1969 | 241.0 | L | |
| Cliff Lee (32) | 38 | 2011 | 232.2 | L | |
| Sam McDowell (22) | 38 | 1965 | 273.0 | L | |
| Denny McLain (24) | 38 | 1968 | 336.0 | R | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Mike Mussina+ (25) | 38 | 1994 | 176.1 | R | |
| Charles Nagy (29) | 38 | 1996 | 222.0 | R | |
| Roy Oswalt (28) | 38 | 2006 | 220.2 | R | |
| Jim Palmer+ (31) | 38 | 1977 | 319.0 | R | |
| Herb Pennock+ (31) | 38 | 1925 | 277.0 | L | |
| Billy Pierce (26) | 38 | 1953 | 271.1 | L | |
| Ed Rile (23) | 38 | 1923 | 184.2 | R | |
| Steve Rogers (32) | 38 | 1982 | 277.0 | R | |
| Nap Rucker (27) | 38 | 1912 | 297.2 | L | |
| Amos Rusie+ (19) | 38 | 1890 | 548.2 | R | |
| Hyun Jin Ryu (32) | 38 | 2019 | 182.2 | L | |
| Jesse Tannehill (24) | 38 | 1899 | 322.0 | L | |
| Justin Thompson (24) | 38 | 1997 | 223.1 | L | |
| Justin Verlander (39) | 38 | 2022 | 175.0 | R | |
| Adam Wainwright (27) | 38 | 2009 | 233.0 | R | |
| Adam Wainwright (28) | 38 | 2010 | 230.1 | R | |
| Tim Wakefield (28) | 38 | 1995 | 195.1 | R | |
| Mickey Welch+ (29) | 38 | 1889 | 375.0 | R | |
| Gus Weyhing (23) | 38 | 1890 | 390.0 | R | |
| Mike Witt (25) | 38 | 1986 | 269.0 | R | |
| Laymon Yokely (23) | 38 | 1929 | 213.0 | R | |
| 472. | Babe Adams (29) | 37 | 1911 | 293.1 | R |
| Kevin Appier (24) | 37 | 1992 | 208.1 | R | |
| Tommy Bond (20) | 37 | 1876 | 408.0 | R | |
| Theodore Breitenstein (25) | 37 | 1894 | 447.1 | L | |
| Steve Carlton+ (24) | 37 | 1969 | 236.1 | L | |
| David Cone (34) | 37 | 1997 | 195.0 | R | |
| Johnny Cueto (28) | 37 | 2014 | 243.2 | R | |
| Ned Garver (24) | 37 | 1950 | 260.0 | R | |
| Mark Gubicza (25) | 37 | 1988 | 269.2 | R | |
| Rich Harden (26) | 37 | 2008 | 148.0 | R | |
| Bill Hoffer (25) | 37 | 1896 | 309.0 | R | |
| Joe Horlen (26) | 37 | 1964 | 210.2 | R | |
| Bill James (22) | 37 | 1914 | 332.1 | R | |
| Josh Johnson (26) | 37 | 2010 | 183.2 | R | |
| Sad Sam Jones (28) | 37 | 1921 | 298.2 | R | |
| Tim Keefe+ (30) | 37 | 1887 | 476.2 | R | |
| Clayton Kershaw (23) | 37 | 2011 | 233.1 | L | |
| Clayton Kershaw (29) | 37 | 2017 | 175.0 | L | |
| Bill Lee (26) | 37 | 1973 | 284.2 | L | |
| Sam Leever (31) | 37 | 1903 | 284.1 | R | |
| Jon Matlack (28) | 37 | 1978 | 270.0 | L | |
| Joe Mays (25) | 37 | 2001 | 233.2 | R | |
| Denny McLain (25) | 37 | 1969 | 325.0 | R | |
| Kris Medlen (26) | 37 | 2012 | 138.0 | R | |
| Mike Mussina+ (26) | 37 | 1995 | 221.2 | R | |
| Hal Newhouser+ (27) | 37 | 1948 | 272.1 | L | |
| Kid Nichols+ (22) | 37 | 1892 | 453.0 | R | |
| Robin Roberts+ (23) | 37 | 1950 | 304.1 | R | |
| Reb Russell (24) | 37 | 1913 | 316.2 | L | |
| Rank | Player (age that year) | Adj. Pitching Runs | Year | IP | Throws |
| Babe Ruth+ (21) | 37 | 1916 | 323.2 | L | |
| Bret Saberhagen (23) | 37 | 1987 | 257.0 | R | |
| Curt Schilling (35) | 37 | 2002 | 259.1 | R | |
| Tom Seaver+ (30) | 37 | 1975 | 280.1 | R | |
| Bob Shawkey (31) | 37 | 1922 | 299.2 | R | |
| Dave Stieb (25) | 37 | 1983 | 278.0 | R | |
| Don Sutton+ (27) | 37 | 1972 | 272.2 | R | |
| Ted Trent (24) | 37 | 1928 | 187.0 | R | |
| Jim Turner (33) | 37 | 1937 | 256.2 | R | |
| Dazzy Vance+ (36) | 37 | 1927 | 273.1 | R | |
| Ed Walsh+ (26) | 37 | 1907 | 422.1 | R | |
| Mickey Welch+ (28) | 37 | 1888 | 425.1 | R | |
| Gus Weyhing (24) | 37 | 1891 | 450.0 | R |
