Single-Season Top 10 Leaders

WAR for Pitchers †
1. Hal Newhouser • 1945 11.3
2. Hal Newhouser • 1946 9.7
3. Mark Fidrych • 1976 9.6
4. Dizzy Trout • 1944 9.3
5. Justin Verlander • 2011 8.6
6. Mickey Lolich • 1971 8.5
7. Denny McLain • 1969 8.1
Justin Verlander • 2012 8.1
9. John Hiller • 1973 7.9
10. Hal Newhouser • 1944 7.7
Justin Thompson • 1997 7.7
Earned Run Average
1. Ed Summers • 1908 1.64
2. Ed Killian • 1909 1.71
3. Ed Killian • 1907 1.78
4. Hal Newhouser • 1945 1.81
5. Tarik Skubal • 2024 1.82
6. Ed Siever • 1902 1.91
7. Hal Newhouser • 1946 1.94
8. Denny McLain • 1968 1.96
9. Harry Coveleski • 1916 1.97
10. Al Benton • 1945 2.02
Wins
1. Denny McLain • 1968 31
2. George Mullin • 1909 29
Hal Newhouser • 1944 29
4. Dizzy Trout • 1944 27
5. Hal Newhouser • 1946 26
6. Bill Donovan • 1907 25
Ed Killian • 1907 25
Mickey Lolich • 1971 25
Hal Newhouser • 1945 25
10. Hooks Dauss • 1915 24
Denny McLain • 1969 24
Schoolboy Rowe • 1934 24
Ed Summers • 1908 24
Justin Verlander • 2011 24
Win-Loss %
1. Tarik Skubal • 2024 1.000
2. Max Scherzer • 2013 .875
3. Bill Donovan • 1907 .862
4. Schoolboy Rowe • 1940 .842
5. Denny McLain • 1968 .838
6. Justin Verlander • 2011 .828
7. Bobo Newsom • 1940 .808
8. George Mullin • 1909 .784
9. Max Scherzer • 2014 .783
10. Ken Holloway • 1925 .765
Walks & Hits per IP
1. Tarik Skubal • 2024 0.742
2. Denny McLain • 1968 0.905
3. Justin Verlander • 2011 0.920
4. Max Scherzer • 2013 0.970
5. Justin Verlander • 2016 1.001
6. Earl Wilson • 1966 1.004
7. Ed Summers • 1909 1.047
8. Hank Aguirre • 1962 1.051
Harry Coveleski • 1916 1.051
Ed Siever • 1902 1.051
Hits per 9 IP
1. Tarik Skubal • 2024 5.157
2. Justin Verlander • 2011 6.239
3. Jeff Robinson • 1988 6.331
4. Max Scherzer • 2013 6.383
5. Denny McLain • 1968 6.455
6. Hal Newhouser • 1946 6.612
7. Hal Newhouser • 1942 6.713
8. Hank Aguirre • 1962 6.750
9. Justin Verlander • 2016 6.760
10. Virgil Trucks • 1949 6.840
Bases On Balls per 9 IP
1. Jack Flaherty • 2024 1.227
2. Fred Hutchinson • 1951 1.290
3. Frank Kitson • 1903 1.327
4. Dave Rozema • 1977 1.402
5. Tarik Skubal • 2024 1.517
6. Ed Siever • 1902 1.529
7. Ed Summers • 1908 1.645
8. Ed Summers • 1909 1.662
9. Denny McLain • 1968 1.688
10. Ed Siever • 1907 1.704
Strikeouts per 9 IP
1. Matthew Boyd • 2019 11.558
2. Max Scherzer • 2012 11.078
3. Jack Flaherty • 2024 11.045
4. Tarik Skubal • 2024 10.618
5. Max Scherzer • 2014 10.293
6. Justin Verlander • 2009 10.088
7. Max Scherzer • 2013 10.078
8. Justin Verlander • 2016 10.041
9. Aníbal Sánchez • 2013 9.989
10. Justin Verlander • 2017 9.209
Games Played
1. Mike Myers • 1997 88
Sean Runyan • 1998 88
3. Mike Myers • 1996 83
4. Willie Hernández • 1984 80
5. Jamie Walker • 2003 78
6. José Valverde • 2011 75
7. Phil Coke • 2010 74
Willie Hernández • 1985 74
9. Joaquín Benoit • 2012 73
Buck Farmer • 2019 73
Fernando Rodney • 2009 73
Saves
1. José Valverde • 2011 49
2. Francisco Rodríguez • 2016 44
3. Todd Jones • 2000 42
4. John Hiller • 1973 38
Todd Jones • 2007 38
6. Todd Jones • 2006 37
Fernando Rodney • 2009 37
8. Joe Nathan • 2014 35
José Valverde • 2012 35
10. Shane Greene • 2018 32
Willie Hernández • 1984 32
Innings Pitched
1. George Mullin • 1904 382.1
2. Mickey Lolich • 1971 376.0
3. George Mullin • 1907 357.1
4. Dizzy Trout • 1944 352.1
5. George Mullin • 1905 347.2
6. Denny McLain • 1968 336.0
7. Roscoe Miller • 1901 332.0
8. Ed Killian • 1904 331.2
9. George Mullin • 1906 330.0
10. Mickey Lolich • 1972 327.1
Strikeouts
1. Mickey Lolich • 1971 308
2. Denny McLain • 1968 280
3. Hal Newhouser • 1946 275
4. Mickey Lolich • 1969 271
5. Justin Verlander • 2009 269
6. Justin Verlander • 2016 254
7. Max Scherzer • 2014 252
8. Mickey Lolich • 1972 250
Justin Verlander • 2011 250
10. Max Scherzer • 2013 240
Games Started
1. Mickey Lolich • 1971 45
2. George Mullin • 1904 44
3. Mickey Lolich • 1973 42
George Mullin • 1907 42
5. Joe Coleman • 1974 41
Mickey Lolich • 1972 41
Mickey Lolich • 1974 41
Denny McLain • 1968 41
Denny McLain • 1969 41
George Mullin • 1905 41
Complete Games
1. George Mullin • 1904 42
2. Roscoe Miller • 1901 35
George Mullin • 1905 35
George Mullin • 1906 35
George Mullin • 1907 35
6. Bill Donovan • 1903 34
7. Ed Killian • 1905 33
Dizzy Trout • 1944 33
9. Ed Killian • 1904 32
10. George Mullin • 1903 31
Home Runs
1. Denny McLain • 1966 42
2. Jack Morris • 1986 40
3. Matthew Boyd • 2019 39
Jack Morris • 1987 39
5. Jim Bunning • 1963 38
Mickey Lolich • 1974 38
7. Jim Bunning • 1959 37
Jack Morris • 1982 37
Dan Petry • 1983 37
10. Mickey Lolich • 1971 36
Bases on Balls
1. Joe Coleman • 1974 158
2. Paul Foytack • 1956 142
3. George Mullin • 1905 138
4. Hal Newhouser • 1941 137
5. George Mullin • 1904 131
6. Howard Ehmke • 1920 124
Virgil Trucks • 1949 124
8. Mickey Lolich • 1969 122
9. Tommy Bridges • 1932 119
10. Bobo Newsom • 1941 118
Earl Whitehill • 1931 118
Hits
1. George Mullin • 1907 346
2. George Mullin • 1904 345
3. Roscoe Miller • 1901 339
4. Mickey Lolich • 1971 336
5. Ed Siever • 1901 334
6. Hooks Dauss • 1923 331
7. Mickey Lolich • 1973 315
George Mullin • 1906 315
9. Dizzy Trout • 1944 314
10. Mickey Lolich • 1974 310
Strikeouts / Base On Balls
1. Jack Flaherty • 2024 9
2. Tarik Skubal • 2024 7
3. Matthew Boyd • 2019 4.76
4. Justin Verlander • 2016 4.456
5. Denny McLain • 1968 4.444
6. Justin Verlander • 2011 4.386
7. Max Scherzer • 2013 4.286
8. Justin Verlander • 2009 4.27
9. Max Scherzer • 2014 4
10. Justin Verlander • 2012 3.983
Home Runs per 9 IP
1. George Mullin • 1904 0.024
2. George Mullin • 1907 0.025
3. Roscoe Miller • 1901 0.027
4. Hooks Dauss • 1915 0.029
5. George Mullin • 1909 0.030
6. George Mullin • 1908 0.031
7. Ed Siever • 1907 0.033
8. Red Donahue • 1906 0.037
Jean Dubuc • 1913 0.037
10. Bernie Boland • 1918 0.044
Losses
1. George Mullin • 1904 23
2. Hooks Dauss • 1920 21
Mickey Lolich • 1974 21
Mike Maroth • 2003 21
George Mullin • 1905 21
6. Art Houtteman • 1952 20
Ed Killian • 1904 20
George Mullin • 1907 20
Bobo Newsom • 1941 20
10. Jeremy Bonderman • 2003 19
Lerrin LaGrow • 1974 19
Mickey Lolich • 1970 19
Herman Pillette • 1923 19
Virgil Trucks • 1952 19
Earned Runs
1. Mickey Lolich • 1974 142
2. Joe Coleman • 1974 137
3. Howard Ehmke • 1922 131
Mickey Lolich • 1973 131
5. Vic Sorrell • 1929 130
6. Bobo Newsom • 1941 128
7. Hooks Dauss • 1923 127
Roxie Lawson • 1937 127
9. Earl Whitehill • 1929 126
10. Jack Morris • 1990 125
Wild Pitches
1. Jack Morris • 1987 24
2. Jack Morris • 1983 18
3. Jason Johnson • 2005 17
Justin Verlander • 2007 17
5. Jean Dubuc • 1912 16
Jack Morris • 1990 16
Hideo Nomo • 2000 16
Jeff Robinson • 1990 16
9. Joe Coleman • 1975 15
Alex Lange • 2022 15
Jack Morris • 1985 15
Hit By Pitch
1. Howard Ehmke • 1922 23
2. Harry Coveleski • 1915 20
Ed Summers • 1908 20
4. Frank Lary • 1960 19
Justin Verlander • 2007 19
6. Hooks Dauss • 1914 18
7. Ed Killian • 1904 17
Jeff Weaver • 1999 17
Ed Willett • 1910 17
Ed Willett • 1912 17
Batters Faced
1. George Mullin • 1904 1568
2. Mickey Lolich • 1971 1538
3. George Mullin • 1907 1470
4. George Mullin • 1905 1428
5. Dizzy Trout • 1944 1421
6. Roscoe Miller • 1901 1408
7. George Mullin • 1906 1361
8. Ed Killian • 1904 1341
9. Hooks Dauss • 1923 1340
10. Mickey Lolich • 1972 1321
Games Finished
1. José Valverde • 2011 70
2. Willie Hernández • 1984 68
3. José Valverde • 2012 67
4. Fernando Rodney • 2009 65
5. Willie Hernández • 1985 64
6. Todd Jones • 1999 62
7. John Hiller • 1973 60
Todd Jones • 2000 60
9. Aurelio López • 1980 59
10. Shane Greene • 2018 58
Adjusted ERA+
1. Tarik Skubal • 2024 223
2. Hal Newhouser • 1945 195
Ed Siever • 1902 195
4. Hal Newhouser • 1946 190
5. Hank Aguirre • 1962 185
6. Al Benton • 1945 175
7. Justin Verlander • 2011 172
8. Bobo Newsom • 1940 168
9. Dizzy Trout • 1944 167
10. Hal Newhouser • 1942 162
Aníbal Sánchez • 2013 162
Fielding Independent Pitching
1. Bill Donovan • 1908 1.78
2. George Mullin • 1908 2.12
3. Hal Newhouser • 1946 2.16
4. Tarik Skubal • 2024 2.25
5. Ed Siever • 1907 2.27
6. George Mullin • 1909 2.29
Ed Summers • 1908 2.29
8. Ed Summers • 1909 2.30
9. Aníbal Sánchez • 2013 2.39
10. Bill Donovan • 1907 2.41
Adj. Pitching Runs
1. Hal Newhouser • 1945 58
2. Hal Newhouser • 1946 53
3. Dizzy Trout • 1944 52
4. Justin Verlander • 2011 48
5. Bobo Newsom • 1940 46
6. Hal Newhouser • 1944 43
Virgil Trucks • 1949 43
8. Tommy Bridges • 1936 42
9. Hank Aguirre • 1962 41
Bobo Newsom • 1939 41
Adj. Pitching Wins
1. Hal Newhouser • 1945 6.8
2. Hal Newhouser • 1946 6.1
3. Dizzy Trout • 1944 5.8
4. Justin Verlander • 2011 5.2
5. Hal Newhouser • 1944 4.9
6. Denny McLain • 1968 4.7
Bobo Newsom • 1940 4.7
8. Dizzy Trout • 1946 4.4
Virgil Trucks • 1949 4.4
10. Hank Aguirre • 1962 4.3
Base-Out Runs Saved (RE24) †
1. Hal Newhouser • 1946 53.68
2. John Hiller • 1973 53.67
3. Tommy Bridges • 1936 53.59
4. Justin Verlander • 2011 51.82
5. Denny McLain • 1969 51.73
6. Virgil Trucks • 1949 47.18
7. Bobo Newsom • 1940 45.71
8. Schoolboy Rowe • 1934 45.68
9. Denny McLain • 1968 43.73
10. Tommy Bridges • 1934 43.00
Win Probability Added (WPA) †
1. Willie Hernández • 1984 8.7
2. John Hiller • 1973 8.4
3. Hal Newhouser • 1946 7.5
4. Denny McLain • 1969 7.2
5. Aurelio López • 1979 6.6
6. Virgil Trucks • 1949 5.9
7. Denny McLain • 1968 5.2
8. Schoolboy Rowe • 1934 5.1
9. Tommy Bridges • 1936 5.0
Justin Verlander • 2011 5.0
Sit. Wins Saved (WPA/LI) †
1. Justin Verlander • 2011 6.3
2. Hal Newhouser • 1946 5.4
3. Hank Aguirre • 1962 5.0
4. Denny McLain • 1969 4.9
5. Virgil Trucks • 1949 4.7
Justin Verlander • 2012 4.7
7. Willie Hernández • 1984 4.3
Bobo Newsom • 1940 4.3
Schoolboy Rowe • 1935 4.3
10. Schoolboy Rowe • 1934 4.2
Championship WPA (cWPA) †
1. Hal Newhouser • 1944 22.7
2. Schoolboy Rowe • 1934 17.3
3. Bobo Newsom • 1940 16.9
4. Schoolboy Rowe • 1940 16.5
5. Hal Newhouser • 1945 13.3
6. Don Mossi • 1961 12.4
7. Denny McLain • 1968 12.2
8. Harry Coveleski • 1915 11.4
9. Frank Tanana • 1987 10.9
10. Mike Henneman • 1987 10.6
Base-Out Wins Saved (REW) †
1. Hal Newhouser • 1946 6.0
2. Denny McLain • 1969 5.8
3. Justin Verlander • 2011 5.7
4. John Hiller • 1973 5.6
5. Denny McLain • 1968 5.4
6. Tommy Bridges • 1936 5.1
7. Virgil Trucks • 1949 4.9
8. Hal Newhouser • 1945 4.7
9. Dizzy Trout • 1946 4.6
10. Schoolboy Rowe • 1934 4.5

Data Notes