American League Pitching Leaders

Wins Above Replacement--all
1. Trout • DET 10.9
2. Stirnweiss • NYY 8.6
3. Newhouser • DET 8.4
4. Boudreau • CLE 8.0
5. Doerr • BOS 6.3
6. Johnson • BOS 6.3
7. Spence • WSH 6.1
8. Hughson • BOS 5.8
9. Potter • SLB 5.5
10. Stephens • SLB 5.5
WAR for Pitchers
1. Trout • DET 9.3
2. Newhouser • DET 7.7
3. Potter • SLB 5.7
Hughson • BOS 5.7
5. Kramer • SLB 5.2
6. Niggeling • WSH 5.0
7. Newsom • PHA 4.5
8. Borowy • NYY 4.2
Muncrief • SLB 4.2
10. Berry • PHA 3.7
Earned Run Average
1. Trout • DET 2.12
2. Newhouser • DET 2.22
3. Hughson • BOS 2.26
4. Niggeling • WSH 2.32
5. Kramer • SLB 2.49
6. Gromek • CLE 2.56
7. Haynes • CHW 2.57
8. Borowy • NYY 2.64
9. Newsom • PHA 2.82
10. Potter • SLB 2.83
Wins
1. Newhouser • DET 29
2. Trout • DET 27
3. Potter • SLB 19
4. Hughson • BOS 18
5. Kramer • SLB 17
Borowy • NYY 17
7. Dietrich • CHW 16
8. Leonard • WSH 14
Grove • CHW 14
Christopher • PHA 14
Win-Loss %
1. Hughson • BOS .783
2. Newhouser • DET .763
3. Potter • SLB .731
4. Trout • DET .659
5. Ryba • BOS .632
6. Muncrief • SLB .619
7. Bowman • BOS .600
8. Jakucki • SLB .591
9. Borowy • NYY .586
10. Reynolds • CLE .579
Walks & Hits per IP
1. Hughson • BOS 1.048
2. Trout • DET 1.127
3. Gromek • CLE 1.129
4. Leonard • WSH 1.129
5. Newhouser • DET 1.172
6. Flores • PHA 1.190
7. Kramer • SLB 1.198
8. Potter • SLB 1.211
9. Muncrief • SLB 1.213
10. Christopher • PHA 1.221
Hits per 9 IP
1. Gromek • CLE 7.070
2. Niggeling • WSH 7.165
3. Newhouser • DET 7.607
4. Hughson • BOS 7.613
5. Borowy • NYY 7.979
6. Trout • DET 8.021
7. Reynolds • CLE 8.032
8. Kramer • SLB 8.160
9. Potter • SLB 8.185
10. Newsom • PHA 8.253
Bases On Balls per 9 IP
1. Harris • PHA 1.342
2. Leonard • WSH 1.452
3. Bonham • NYY 1.727
4. Gorsica • DET 1.778
5. Hamlin • PHA 1.800
6. Hughson • BOS 1.815
7. Overmire • DET 1.848
8. Muncrief • SLB 2.052
9. Trout • DET 2.120
10. Flores • PHA 2.375
Strikeouts per 9 IP
1. Newhouser • DET 5.388
2. Niggeling • WSH 5.286
3. Gromek • CLE 5.082
4. Hughson • BOS 4.957
5. Newsom • PHA 4.823
6. Reynolds • CLE 4.785
7. Kramer • SLB 4.342
8. Wolff • WSH 4.239
9. Grove • CHW 4.027
10. Black • PHA 3.959
Games Played
1. Heving • CLE 63
2. Berry • PHA 53
3. Trout • DET 49
4. Klieman • CLE 47
Newhouser • DET 47
6. Maltzberger • CHW 46
7. Carrasquel • WSH 43
8. Caster • SLB 42
Ryba • BOS 42
10. Barrett • BOS 38
Woods • BOS 38
Saves
1. Berry • PHA 12
Caster • SLB 12
Maltzberger • CHW 12
4. Heving • CLE 10
5. Barrett • BOS 8
6. Turner • NYY 7
7. Hughson • BOS 5
Klieman • CLE 5
9. Gorsica • DET 4
10. LeFebvre • WSH 3
Jakucki • SLB 3
Innings Pitched
1. Trout • DET 352.1
2. Newhouser • DET 312.1
3. Newsom • PHA 265.0
4. Kramer • SLB 257.0
5. Borowy • NYY 252.2
6. Dietrich • CHW 246.0
7. Grove • CHW 234.2
8. Dubiel • NYY 232.0
Potter • SLB 232.0
10. Leonard • WSH 229.1
Strikeouts
1. Newhouser • DET 187
2. Trout • DET 144
3. Newsom • PHA 142
4. Kramer • SLB 124
5. Niggeling • WSH 121
6. Gromek • CLE 115
7. Hughson • BOS 112
8. Borowy • NYY 107
9. Grove • CHW 105
10. Potter • SLB 91
Games Started
1. Trout • DET 40
2. Dietrich • CHW 36
3. Newhouser • DET 34
4. Newsom • PHA 33
Grove • CHW 33
6. Kramer • SLB 31
Leonard • WSH 31
8. Gentry • DET 30
Borowy • NYY 30
10. Potter • SLB 29
Complete Games
1. Trout • DET 33
2. Newhouser • DET 25
3. Hughson • BOS 19
Borowy • NYY 19
Wynn • WSH 19
Dubiel • NYY 19
7. Newsom • PHA 18
Haefner • WSH 18
Kramer • SLB 18
10. Bonham • NYY 17
Leonard • WSH 17
Shutouts
1. Trout • DET 7
2. Newhouser • DET 6
3. Jakucki • SLB 4
4. Borowy • NYY 3
Potter • SLB 3
Overmire • DET 3
Muncrief • SLB 3
Leonard • WSH 3
Haefner • WSH 3
Gentry • DET 3
Dubiel • NYY 3
Home Runs
1. Jakucki • SLB 17
2. Borowy • NYY 15
Dietrich • CHW 15
4. Bonham • NYY 14
Bowman • BOS 14
6. Hamlin • PHA 13
Donald • NYY 13
8. Lopat • CHW 12
Dubiel • NYY 12
10. Muncrief • SLB 11
Grove • CHW 11
Newsom • PHA 11
Bases on Balls
1. Gentry • DET 108
2. Newhouser • DET 102
3. Reynolds • CLE 91
4. O'Neill • BOS 89
5. Borowy • NYY 88
Niggeling • WSH 88
Woods • BOS 88
8. Dubiel • NYY 86
9. Trout • DET 83
10. Newsom • PHA 82
Hits
1. Trout • DET 314
2. Dietrich • CHW 269
3. Newhouser • DET 264
4. Newsom • PHA 243
5. Grove • CHW 237
6. Kramer • SLB 233
7. Bonham • NYY 228
8. Borowy • NYY 224
9. Leonard • WSH 222
10. Haefner • WSH 221
Wynn • WSH 221
Strikeouts / Base On Balls
1. Hughson • BOS 2.732
2. Newhouser • DET 1.833
3. Muncrief • SLB 1.760
4. Trout • DET 1.735
5. Newsom • PHA 1.732
6. Leonard • WSH 1.676
7. Kramer • SLB 1.653
8. Gromek • CLE 1.643
9. Hamlin • PHA 1.526
10. Grove • CHW 1.479
Home Runs per 9 IP
1. Overmire • DET 0.090
2. Kramer • SLB 0.105
3. Reynolds • CLE 0.114
4. Wynn • WSH 0.130
5. Newhouser • DET 0.173
6. Hughson • BOS 0.177
7. Klieman • CLE 0.202
8. Woods • BOS 0.211
9. Niggeling • WSH 0.218
10. Gromek • CLE 0.221
Losses
1. Wynn • WSH 17
Dietrich • CHW 17
3. Wolff • WSH 15
Newsom • PHA 15
Haefner • WSH 15
Grove • CHW 15
7. Leonard • WSH 14
Trout • DET 14
Gorsica • DET 14
Gentry • DET 14
Christopher • PHA 14
Earned Runs
1. Dietrich • CHW 99
2. Grove • CHW 97
3. Gentry • DET 96
4. Bowman • BOS 90
5. Dubiel • NYY 87
6. Wolff • WSH 86
7. Newsom • PHA 83
Trout • DET 83
9. Harder • CLE 81
10. Black • PHA 80
Wild Pitches
1. Leonard • WSH 9
2. O'Neill • BOS 8
Grove • CHW 8
Newsom • PHA 8
5. Harris • PHA 6
Wolff • WSH 6
Page • NYY 6
8. Niggeling • WSH 5
Christopher • PHA 5
Lyons • NYY 5
Borowy • NYY 5
Ryba • BOS 5
Hit By Pitch
1. Christopher • PHA 9
2. Grove • CHW 8
3. Klieman • CLE 7
4. Woods • BOS 6
Wolff • WSH 6
6. Bagby • CLE 4
Trout • DET 4
Haefner • WSH 4
Humphries • CHW 4
Gorsica • DET 4
Gentry • DET 4
Flores • PHA 4
Scheib • PHA 4
Reynolds • CLE 4
Black • PHA 4
Newsom • PHA 4
Niggeling • WSH 4
Batters Faced
1. Trout • DET 1,421
2. Newhouser • DET 1,271
3. Newsom • PHA 1,095
4. Dietrich • CHW 1,061
5. Kramer • SLB 1,058
6. Borowy • NYY 1,044
7. Grove • CHW 1,006
8. Dubiel • NYY 984
9. Haefner • WSH 974
10. Potter • SLB 955
Games Finished
1. Berry • PHA 47
2. Maltzberger • CHW 41
3. Heving • CLE 38
4. Caster • SLB 34
5. Turner • NYY 28
6. Barrett • BOS 26
7. Ryba • BOS 24
8. Carrasquel • WSH 22
9. LeFebvre • WSH 16
10. Calvert • CLE 15
Beck • DET 15
Adjusted ERA+
1. Trout • DET 167
2. Newhouser • DET 159
3. Hughson • BOS 152
4. Kramer • SLB 146
5. Niggeling • WSH 141
6. Borowy • NYY 133
7. Haynes • CHW 133
8. Gromek • CLE 129
9. Potter • SLB 129
10. Newsom • PHA 122
Fielding Independent Pitching
1. Hughson • BOS 2.47
2. Newhouser • DET 2.72
3. Kramer • SLB 2.75
4. Overmire • DET 2.89
5. Trout • DET 2.94
6. Gromek • CLE 2.95
7. Leonard • WSH 3.12
8. Newsom • PHA 3.12
9. Potter • SLB 3.15
10. Niggeling • WSH 3.16
Adj. Pitching Runs
1. Trout • DET 52
2. Newhouser • DET 43
3. Hughson • BOS 28
4. Kramer • SLB 27
5. Potter • SLB 23
6. Niggeling • WSH 22
7. Borowy • NYY 22
8. Newsom • PHA 18
9. Berry • PHA 17
10. Muncrief • SLB 15
Adj. Pitching Wins
1. Trout • DET 5.8
2. Newhouser • DET 4.9
3. Hughson • BOS 3.2
4. Kramer • SLB 3.0
5. Potter • SLB 2.5
6. Niggeling • WSH 2.5
7. Borowy • NYY 2.4
8. Newsom • PHA 1.9
9. Berry • PHA 1.8
10. Muncrief • SLB 1.7
Base-Out Runs Saved (RE24)
1. Trout • DET 32.14
2. Hughson • BOS 22.81
3. Newhouser • DET 21.39
4. Kramer • SLB 20.42
5. Borowy • NYY 19.93
6. Newsom • PHA 19.49
7. Niggeling • WSH 17.24
8. Muncrief • SLB 16.22
9. Potter • SLB 15.05
10. Dubiel • NYY 13.80
Win Probability Added (WPA)
1. Newhouser • DET 4.1
2. Trout • DET 3.9
3. Kramer • SLB 2.8
4. Potter • SLB 2.7
5. Hughson • BOS 2.3
6. Borowy • NYY 2.2
7. Niggeling • WSH 2.0
8. Dubiel • NYY 1.9
9. Newsom • PHA 1.9
10. Galehouse • SLB 1.8
Sit. Wins Saved (WPA/LI)
1. Trout • DET 3.4
2. Kramer • SLB 2.9
3. Newhouser • DET 2.8
4. Hughson • BOS 2.7
5. Niggeling • WSH 2.0
6. Borowy • NYY 1.9
7. Newsom • PHA 1.9
8. Potter • SLB 1.7
9. Muncrief • SLB 1.5
10. Overmire • DET 1.4
Championship WPA (cWPA)
1. Newhouser • DET 22.7
2. Potter • SLB 20.2
3. Kramer • SLB 17.7
4. Galehouse • SLB 17.3
5. Jakucki • SLB 15.7
6. Trout • DET 9.9
7. Overmire • DET 3.7
8. Hughson • BOS 3.6
9. Gentry • DET 3.4
10. Dubiel • NYY 2.8
Base-Out Wins Saved (REW)
1. Trout • DET 3.5
2. Hughson • BOS 2.5
3. Newhouser • DET 2.3
4. Kramer • SLB 2.2
5. Borowy • NYY 2.1
6. Newsom • PHA 2.1
7. Niggeling • WSH 2.0
8. Muncrief • SLB 1.7
9. Potter • SLB 1.6
10. Dubiel • NYY 1.5

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