American League Pitching Leaders

Wins Above Replacement--all
1. Williams • BOS 10.5
2. Gordon • NYY 7.7
3. Keller • NYY 6.8
4. DiMaggio • NYY 6.4
5. Hughson • BOS 6.3
6. Pesky • BOS 6.2
7. Rizzuto • NYY 5.8
8. Doerr • BOS 5.5
9. DiMaggio • BOS 5.4
10. White • DET 5.3
WAR for Pitchers
1. Hughson • BOS 6.2
2. Benton • DET 5.6
3. White • DET 5.5
4. Lyons • CHW 4.8
5. Niggeling • SLB 4.7
6. Newhouser • DET 4.1
7. Trucks • DET 4.1
8. Bonham • NYY 4.0
9. Humphries • CHW 3.9
10. Trout • DET 3.9
Earned Run Average
1. Lyons • CHW 2.10
2. Bonham • NYY 2.27
3. Chandler • NYY 2.38
4. Newhouser • DET 2.45
5. Borowy • NYY 2.52
6. Hughson • BOS 2.59
7. Niggeling • SLB 2.66
8. Humphries • CHW 2.68
9. Trucks • DET 2.74
10. Bridges • DET 2.74
Wins
1. Hughson • BOS 22
2. Bonham • NYY 21
3. Bagby • CLE 17
Marchildon • PHA 17
5. Chandler • NYY 16
6. Borowy • NYY 15
Niggeling • SLB 15
8. Lyons • CHW 14
Auker • SLB 14
Ruffing • NYY 14
Wagner • BOS 14
Trucks • DET 14
Win-Loss %
1. Bonham • NYY .808
2. Borowy • NYY .789
3. Hughson • BOS .786
4. Chandler • NYY .762
5. Lyons • CHW .700
6. Ruffing • NYY .667
7. Bagby • CLE .654
8. Trucks • DET .636
9. Hollingsworth • SLB .625
10. Niggeling • SLB .577
Walks & Hits per IP
1. Bonham • NYY 0.987
2. Lyons • CHW 1.070
3. Ruffing • NYY 1.157
4. Breuer • NYY 1.181
5. Hughson • BOS 1.185
6. Dobson • BOS 1.221
7. Bagby • CLE 1.223
8. Chandler • NYY 1.246
9. Borowy • NYY 1.250
10. Humphries • CHW 1.253
Hits per 9 IP
1. Newhouser • DET 6.713
2. Niggeling • SLB 7.546
3. Dobson • BOS 7.637
4. Trucks • DET 7.891
5. Chandler • NYY 7.894
6. Harris • PHA 7.916
7. Borowy • NYY 7.923
8. Bonham • NYY 7.925
9. Marchildon • PHA 7.930
10. Wagner • BOS 8.065
Bases On Balls per 9 IP
1. Bonham • NYY 0.956
2. Lyons • CHW 1.298
3. Ruffing • NYY 1.905
4. Breuer • NYY 2.026
5. Bagby • CLE 2.128
6. Humphries • CHW 2.326
7. Hughson • BOS 2.402
8. Hudson • WSH 2.632
9. Wolff • PHA 2.897
10. Hollingsworth • SLB 2.907
Strikeouts per 9 IP
1. Newhouser • DET 5.047
2. Bridges • DET 5.017
3. Trucks • DET 4.885
4. Newsom • WSH 4.760
5. Niggeling • SLB 4.667
6. Benton • DET 4.368
7. Borowy • NYY 4.290
8. Marchildon • PHA 4.057
9. Wolff • PHA 3.947
10. Breuer • NYY 3.943
Games Played
1. Haynes • CHW 40
2. Caster • SLB 39
3. Bagby • CLE 38
Hughson • BOS 38
Marchildon • PHA 38
Newhouser • DET 38
7. Zuber • WSH 37
8. Auker • SLB 35
Benton • DET 35
Carrasquel • WSH 35
Hudson • WSH 35
Trout • DET 35
Saves
1. Murphy • NYY 11
2. Haynes • CHW 6
Brown • BOS 6
4. Newhouser • DET 5
Caster • SLB 5
6. Hughson • BOS 4
Gorsica • DET 4
Hollingsworth • SLB 4
Carrasquel • WSH 4
10. Heving • CLE 3
Ryba • BOS 3
Ferrick • CLE 3
Innings Pitched
1. Hughson • BOS 281.0
2. Bagby • CLE 270.2
3. Auker • SLB 249.0
4. Marchildon • PHA 244.0
5. Hudson • WSH 239.1
6. Humphries • CHW 228.1
7. Benton • DET 226.2
8. Bonham • NYY 226.0
9. Trout • DET 223.0
10. White • DET 216.2
Strikeouts
1. Hughson • BOS 113
Newsom • WSH 113
3. Benton • DET 110
Marchildon • PHA 110
5. Niggeling • SLB 107
6. Newhouser • DET 103
7. Bridges • DET 97
8. Wolff • PHA 94
9. White • DET 93
10. Trout • DET 91
Trucks • DET 91
Games Started
1. Bagby • CLE 35
2. Auker • SLB 34
3. Marchildon • PHA 31
Hudson • WSH 31
5. Benton • DET 30
Hughson • BOS 30
7. Newsom • WSH 29
Trout • DET 29
Harder • CLE 29
10. Smith • CHW 28
Galehouse • SLB 28
Humphries • CHW 28
Wynn • WSH 28
Complete Games
1. Bonham • NYY 22
Hughson • BOS 22
3. Lyons • CHW 20
4. Hudson • WSH 19
5. Marchildon • PHA 18
Smith • CHW 18
7. Auker • SLB 17
Humphries • CHW 17
Chandler • NYY 17
Wagner • BOS 17
Shutouts
1. Bonham • NYY 6
2. Bagby • CLE 4
Ruffing • NYY 4
Masterson • WSH 4
Hughson • BOS 4
White • DET 4
Harder • CLE 4
Borowy • NYY 4
9. Chandler • NYY 3
Niggeling • SLB 3
Galehouse • SLB 3
Dobson • BOS 3
Home Runs
1. Bagby • CLE 19
2. Smith • CHW 17
3. Dietrich • CHW 16
Auker • SLB 16
Wolff • PHA 16
6. Trout • DET 15
7. Marchildon • PHA 14
Harris • PHA 14
9. Chandler • NYY 13
Fowler • PHA 13
Bases on Balls
1. Marchildon • PHA 140
2. Newhouser • DET 114
3. Christopher • PHA 99
4. Wagner • BOS 95
5. Niggeling • SLB 93
6. Newsom • WSH 92
7. Judd • BOS 90
8. Trout • DET 89
9. Auker • SLB 86
Smith • CHW 86
Hits
1. Auker • SLB 273
2. Bagby • CLE 267
3. Hudson • WSH 266
4. Hughson • BOS 258
5. Wynn • WSH 246
6. Newsom • WSH 236
7. Humphries • CHW 227
8. Smith • CHW 223
9. Marchildon • PHA 215
10. Trout • DET 214
Strikeouts / Base On Balls
1. Bonham • NYY 2.958
2. Ruffing • NYY 1.951
3. Breuer • NYY 1.946
4. Lyons • CHW 1.923
5. Bridges • DET 1.590
6. Hughson • BOS 1.507
7. Wolff • PHA 1.362
8. Benton • DET 1.310
9. Borowy • NYY 1.288
10. Trucks • DET 1.230
Home Runs per 9 IP
1. Trucks • DET 0.161
2. Milnar • CLE 0.172
3. Newhouser • DET 0.196
4. Newsom • WSH 0.211
5. Wagner • BOS 0.219
6. Hollingsworth • SLB 0.224
7. Galehouse • SLB 0.234
8. White • DET 0.249
9. Wynn • WSH 0.284
10. Borowy • NYY 0.303
Losses
1. Smith • CHW 20
2. Trout • DET 18
3. Hudson • WSH 17
Newsom • WSH 17
5. Wynn • WSH 16
6. Harris • PHA 15
Wolff • PHA 15
Smith • CLE 15
9. Harder • CLE 14
Marchildon • PHA 14
Newhouser • DET 14
Earned Runs
1. Newsom • WSH 117
2. Hudson • WSH 116
3. Marchildon • PHA 114
4. Auker • SLB 113
5. Wynn • WSH 108
6. Smith • CHW 95
7. Besse • PHA 91
8. Bagby • CLE 89
9. Newsome • BOS 88
10. Dietrich • CHW 87
Wild Pitches
1. Marchildon • PHA 13
2. Trout • DET 8
3. Niggeling • SLB 7
Judd • BOS 7
Trucks • DET 7
6. Sundra • 2TM 5
Donald • NYY 5
Ross • CHW 5
Ostermueller • SLB 5
Smith • CHW 5
Haynes • CHW 5
Bridges • DET 5
Wolff • PHA 5
Zuber • WSH 5
Benton • DET 5
Hit By Pitch
1. Niggeling • SLB 11
2. Humphries • CHW 7
3. Dietrich • CHW 5
Smith • CLE 5
Hudson • WSH 5
Wagner • BOS 5
White • DET 5
8. Bridges • DET 4
Smith • CHW 4
Chandler • NYY 4
Trout • DET 4
Milnar • CLE 4
Besse • PHA 4
Marchildon • PHA 4
Galehouse • SLB 4
Batters Faced
1. Hughson • BOS 1,150
2. Bagby • CLE 1,111
3. Auker • SLB 1,093
4. Marchildon • PHA 1,081
5. Hudson • WSH 1,048
6. Humphries • CHW 967
7. Trout • DET 965
8. Newsom • WSH 957
9. Benton • DET 954
10. Smith • CHW 935
Games Finished
1. Haynes • CHW 35
2. Murphy • NYY 26
3. Caster • SLB 24
4. Brown • BOS 23
5. Eisenstat • CLE 19
Gorsica • DET 19
Zuber • WSH 19
8. Appleton • 2TM 16
9. Ferrick • CLE 15
Ryba • BOS 15
Lindell • NYY 15
Adjusted ERA+
1. Lyons • CHW 171
2. Newhouser • DET 162
3. Bonham • NYY 152
4. Chandler • NYY 145
5. Trucks • DET 145
6. Bridges • DET 144
7. Hughson • BOS 144
8. Niggeling • SLB 140
9. Borowy • NYY 137
10. Benton • DET 136
Fielding Independent Pitching
1. Bonham • NYY 2.41
2. Bridges • DET 2.53
3. Hughson • BOS 2.54
4. Trucks • DET 2.58
5. Ruffing • NYY 2.60
6. Newsom • WSH 2.65
7. Hollingsworth • SLB 2.65
8. Borowy • NYY 2.67
9. Benton • DET 2.73
10. Breuer • NYY 2.76
Adj. Pitching Runs
1. Hughson • BOS 36
2. Bonham • NYY 32
3. Lyons • CHW 29
4. Chandler • NYY 25
5. White • DET 24
6. Benton • DET 24
7. Newhouser • DET 23
8. Niggeling • SLB 22
9. Humphries • CHW 21
10. Borowy • NYY 21
Adj. Pitching Wins
1. Hughson • BOS 3.9
2. Bonham • NYY 3.6
3. Lyons • CHW 3.3
4. Chandler • NYY 2.7
5. White • DET 2.6
6. Benton • DET 2.6
7. Newhouser • DET 2.4
8. Niggeling • SLB 2.4
9. Humphries • CHW 2.3
10. Borowy • NYY 2.2
Base-Out Runs Saved (RE24)
1. Bonham • NYY 40.77
2. Hughson • BOS 36.89
3. Borowy • NYY 31.47
4. Chandler • NYY 31.31
5. Ruffing • NYY 22.70
6. Benton • DET 22.08
7. Bagby • CLE 19.74
8. White • DET 18.88
9. Humphries • CHW 18.27
10. Trucks • DET 17.90
Win Probability Added (WPA)
1. Bonham • NYY 5.0
2. Hughson • BOS 4.3
3. Borowy • NYY 3.4
4. Niggeling • SLB 3.3
5. Chandler • NYY 3.1
6. Trucks • DET 2.6
7. Bridges • DET 2.5
8. Bagby • CLE 2.1
9. Harder • CLE 1.9
10. Wagner • BOS 1.9
Sit. Wins Saved (WPA/LI)
1. Bonham • NYY 4.2
2. Hughson • BOS 4.1
3. Borowy • NYY 2.6
4. Breuer • NYY 2.5
5. Ruffing • NYY 2.2
6. Bagby • CLE 1.9
7. Benton • DET 1.9
8. White • DET 1.9
9. Trout • DET 1.8
10. Ferrick • CLE 1.6
Championship WPA (cWPA)
1. Chandler • NYY 9.4
2. Borowy • NYY 7.4
3. Bonham • NYY 6.7
4. Wagner • BOS 3.7
5. Benton • DET 3.4
6. Hughson • BOS 3.1
7. Bridges • DET 2.5
8. Russo • NYY 2.1
9. Murphy • NYY 2.0
10. Newhouser • DET 1.9
Base-Out Wins Saved (REW)
1. Bonham • NYY 4.8
2. Hughson • BOS 4.0
3. Borowy • NYY 3.6
4. Chandler • NYY 3.6
5. Ruffing • NYY 2.6
6. Benton • DET 2.3
7. Bagby • CLE 2.2
8. Humphries • CHW 2.0
9. White • DET 1.9
10. Wagner • BOS 1.9

A ** by the stat's value indicates the player had fewer than the required number of at bats or plate appearances for the BA, OBP, SLG or OPS title that year. In order to rank the player, the necessary number of hitless at bats were added to the player's season total. The value printed here is their actual value and not the value used to rank them, therefore some numbers may appear out of order.

For batting rate stats, generally a minimum of 3.1 Plate Appearances/G, 1.0 IP/G, 0.67 Gm and Chances/Team Game (fielding), 0.2 SB att/Team Game (catchers), and 0.1 SB att/Team Game (baserunners only since 1951), and 0.1 decision/G for single-season leaderboards generally needed for rate statistics. For pitcher fielding the minimums are reduced by a third. For LF, CF, RF fielding stats, we only have reliable data since 1901, so all leaders are since 1901. Explanation of min. requirements