American League Pitching Leaders

Wins Above Replacement--all

<strong>Wins Above Replacement</strong><br>A single number that presents the number of wins the player added<br>to the team above what a replacement player (think AAA or AAAA) would add.<br>Scale for a single-season: 8+ MVP Quality, 5+ All-Star Quality, 2+ Starter,<br>0-2 Reserve, < 0 Replacement Level <br>Developed by Sean Smith of BaseballProjection.com

1. Trout • DET 10.9
2. Stirnweiss • NYY 8.5
3. Newhouser • DET 8.4
4. Boudreau • CLE 8.0
5. Doerr • BOS 6.3
6. Johnson • BOS 6.2
7. Spence • WSH 6.1
8. Hughson • BOS 5.8
9. Potter • SLB 5.5
10. Stephens • SLB 5.5

WAR for Pitchers

<strong>Wins Above Replacement for Pitchers</strong><br>A single number that presents the number of wins the player added<br>to the team above what a replacement player (think AAA or AAAA) would add. This value includes defensive support and includes additional value for high leverage situations.<br>Scale: 8+ MVP Quality, 5+ All-Star Quality, 2+ Starter,<br>0-2 Reserve, < 0 Replacement Level <br> Developed by Sean Smith of BaseballProjection.com

1. Trout • DET 9.3
2. Newhouser • DET 7.7
3. Hughson • BOS 5.7
4. Potter • SLB 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

<strong>9 * ER / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played.<br>Bold indicates lowest ERA using current stats<br><span class=glimmer>Gold</span> means awarded ERA title at end of year.

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

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 %

<strong>Win-Loss Percentage</strong><br>W / (W + L)<br>For players, leaders need one decision for every ten team games.<br>For managers, minimum to qualify for leading is 320 games.

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

<strong>(BB + H)/IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

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

<strong>9 x H / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

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

<strong>9 x BB / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

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

<strong>9 x SO / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

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

Games Played or Pitched

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

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

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

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

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

Complete Game

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

Shutouts<br>No runs allowed and a complete game.

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

Home Runs Hit/Allowed

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

Bases on Balls/Walks

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

Hits/Hits Allowed

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

<strong>SO/W or SO/BB</strong><br>For recent years, pitching leaders need 1 IP<br>per team game played.<br>No batting leaders computed.

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

<strong>9 x HR / IP</strong><br>For recent years, leaders need 1 IP<br>per team game played

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

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

Earned Runs Allowed

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

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

Times Hit by a 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

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

Games Finished<br>Credited to the last pitcher to appear for a team in a game.<br>Complete Games are not counted as 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+

<strong>ERA+</strong><br>100*[lgERA/ERA]<br>Adjusted to the player&#x2019;s ballpark(s).

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

<strong>Fielding Independent Pitching</strong><br>this stat measures a pitcher's effectiveness at preventing HR, BB, HBP and causing SO<br><tt>(13*HR + 3*(BB+HBP) - 2*SO)/IP + Constant<sub>lg</sub></tt><br>The constant is set so that each season major-league average FIP is the same as the major-league avg ERA

1. Hughson • BOS 2.47
2. Newhouser • DET 2.73
3. Kramer • SLB 2.76
4. Overmire • DET 2.89
5. Trout • DET 2.94
6. Gromek • CLE 2.95
7. Leonard • WSH 3.12
8. Newsom • PHA 3.13
9. Potter • SLB 3.15
10. Niggeling • WSH 3.17

Adj. Pitching Runs

<strong>Adjusted Pitching Runs</strong><br>A set of formulas developed by Gary Gillette, Pete Palmer and others<br>that estimates a pitcher&#x2019;s total contributions<br>to a team&#x2019;s runs total via linear weights.<br>0.0 is an avg performance, <0 is worse than avg and >0 is better than avg

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

<strong>Adjusted Pitching Wins</strong><br>A set of formulas developed by Gary Gillette, Pete Palmer and others<br>that estimates a pitcher&#x2019;s total contributions<br>to a team&#x2019;s wins with his arm.<br>0.0 is an avg performance, <0 is worse than avg and >0 is better than avg

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)

<strong>Base-Out Runs Saved</strong><br>Given the bases occupied/out situation, how many runs did the pitcher<br>save in the resulting play. Compared to average, so 0 is average, and<br>above 0 is better than average

1. Trout • DET 36.42
2. Hughson • BOS 22.81
3. Newhouser • DET 21.39
4. Kramer • SLB 20.42
5. Borowy • NYY 19.93
6. Newsom • PHA 17.93
7. Niggeling • WSH 17.24
8. Muncrief • SLB 16.22
9. Potter • SLB 15.05
10. Overmire • DET 14.23

Win Probability Added (WPA)

<strong>Win Probability Added by Pitcher</strong><br>Given average teams, this is the change in probability.<br>A change of +/- 1 would indicate one win added or lost.

1. Trout • DET 4.1
2. Newhouser • DET 4.1
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. Galehouse • SLB 1.8
10. Newsom • PHA 1.6

Sit. Wins Saved (WPA/LI)

<strong>Situational Wins (WPA/LI)</strong><br>It is the sum of WPA divided by the leverage index for each play.<br>WPA depends greatly on the context of the at bats.<br>This stat does not.

1. Trout • DET 3.7
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. Overmire • DET 1.8
8. Newsom • PHA 1.8
9. Potter • SLB 1.8
10. Muncrief • SLB 1.6

Championship WPA (cWPA)

<strong>Championship Win Probability Added by Pitcher</strong><br>Given average teams, this is the change in probability, displayed in percentage points.<br>A change of +/- 100% would indicate one world series win added or lost.

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 10.5
7. Overmire • DET 4.1
8. Hughson • BOS 3.6
9. Gentry • DET 3.4
10. Dubiel • NYY 2.8

Base-Out Wins Saved (REW)

<strong>Base-Out Wins Saved</strong><br>This is the number of wins above average the player was worth by their performance<br>measured by the 24 base-out situations.

1. Trout • DET 4.0
2. Hughson • BOS 2.5
3. Newhouser • DET 2.3
4. Kramer • SLB 2.2
5. Borowy • NYY 2.1
6. Niggeling • WSH 2.0
7. Newsom • PHA 1.9
8. Muncrief • SLB 1.7
9. Potter • SLB 1.6
10. Overmire • DET 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 rate stats, generally a minimum of 3.1 Plate Appearances/Team Game (batting), 1.0 IP/Team Game (pitching), 0.67 Gm and Chances/Team Game (fielding), 0.2 SB att/Team Game (catchers), 0.1 SB att/Team Game (baserunners only since 1951), and 0.1 decision/Team Game (W-L%) is needed for single-season leaderboards. For pitcher fielding the minimums are reduced by a third. For LF, CF, RF fielding stats, we only have reliable data since 1898, so all leaders are since 1898. Explanation of min. requirements