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. WilliamsBOS 10.4
2. GordonNYY 7.7
3. KellerNYY 6.7
4. DiMaggioNYY 6.4
5. HughsonBOS 6.3
6. PeskyBOS 6.1
7. RizzutoNYY 5.7
8. DoerrBOS 5.4
9. WhiteDET 5.3
10. DiMaggioBOS 5.3

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. HughsonBOS 6.2
2. BentonDET 5.6
3. WhiteDET 5.5
4. LyonsCHW 4.8
5. NiggelingSLB 4.7
6. NewhouserDET 4.1
7. TrucksDET 4.1
8. BonhamNYY 4.0
9. HumphriesCHW 3.9
10. TroutDET 3.9

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. LyonsCHW 2.10
2. BonhamNYY 2.27
3. ChandlerNYY 2.38
4. NewhouserDET 2.45
5. BorowyNYY 2.52
6. HughsonBOS 2.59
7. NiggelingSLB 2.66
8. HumphriesCHW 2.68
9. TrucksDET 2.74
10. BridgesDET 2.74

Wins

Wins

1. HughsonBOS 22
2. BonhamNYY 21
3. BagbyCLE 17
MarchildonPHA 17
5. ChandlerNYY 16
6. BorowyNYY 15
NiggelingSLB 15
8. LyonsCHW 14
AukerSLB 14
RuffingNYY 14
WagnerBOS 14
TrucksDET 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. BonhamNYY .808
2. BorowyNYY .789
3. HughsonBOS .786
4. ChandlerNYY .762
5. LyonsCHW .700
6. RuffingNYY .667
7. BagbyCLE .654
8. TrucksDET .636
9. HollingsworthSLB .625
10. NiggelingSLB .577

Walks & Hits per IP

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

1. BonhamNYY 0.987
2. LyonsCHW 1.070
3. RuffingNYY 1.157
4. BreuerNYY 1.181
5. HughsonBOS 1.185
6. DobsonBOS 1.221
7. BagbyCLE 1.223
8. ChandlerNYY 1.246
9. BorowyNYY 1.250
10. HumphriesCHW 1.253

Hits per 9 IP

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

1. NewhouserDET 6.713
2. NiggelingSLB 7.546
3. DobsonBOS 7.637
4. TrucksDET 7.891
5. ChandlerNYY 7.894
6. HarrisPHA 7.916
7. BorowyNYY 7.923
8. BonhamNYY 7.925
9. MarchildonPHA 7.930
10. WagnerBOS 8.065

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. BonhamNYY 0.956
2. LyonsCHW 1.298
3. RuffingNYY 1.905
4. BreuerNYY 2.026
5. BagbyCLE 2.128
6. HumphriesCHW 2.326
7. HughsonBOS 2.402
8. HudsonWSH 2.632
9. WolffPHA 2.897
10. HollingsworthSLB 2.907

Strikeouts per 9 IP

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

1. NewhouserDET 5.047
2. BridgesDET 5.017
3. TrucksDET 4.885
4. NewsomWSH 4.760
5. NiggelingSLB 4.667
6. BentonDET 4.368
7. BorowyNYY 4.290
8. MarchildonPHA 4.057
9. WolffPHA 3.947
10. BreuerNYY 3.943

Games Played

Games Played or Pitched

1. HaynesCHW 40
2. CasterSLB 39
3. BagbyCLE 38
HughsonBOS 38
MarchildonPHA 38
NewhouserDET 38
7. ZuberWSH 37
8. AukerSLB 35
BentonDET 35
CarrasquelWSH 35
HudsonWSH 35
TroutDET 35

Saves

Saves

1. MurphyNYY 11
2. HaynesCHW 6
BrownBOS 6
4. NewhouserDET 5
CasterSLB 5
6. HughsonBOS 4
GorsicaDET 4
HollingsworthSLB 4
CarrasquelWSH 4
10. HevingCLE 3
RybaBOS 3
FerrickCLE 3

Innings Pitched

Innings Pitched

1. HughsonBOS 281.0
2. BagbyCLE 270.2
3. AukerSLB 249.0
4. MarchildonPHA 244.0
5. HudsonWSH 239.1
6. HumphriesCHW 228.1
7. BentonDET 226.2
8. BonhamNYY 226.0
9. TroutDET 223.0
10. WhiteDET 216.2

Strikeouts

Strikeouts

1. HughsonBOS 113
NewsomWSH 113
3. BentonDET 110
MarchildonPHA 110
5. NiggelingSLB 107
6. NewhouserDET 103
7. BridgesDET 97
8. WolffPHA 94
9. WhiteDET 93
10. TroutDET 91
TrucksDET 91

Games Started

Games Started

1. BagbyCLE 35
2. AukerSLB 34
3. MarchildonPHA 31
HudsonWSH 31
5. BentonDET 30
HughsonBOS 30
7. NewsomWSH 29
TroutDET 29
HarderCLE 29
10. SmithCHW 28
GalehouseSLB 28
HumphriesCHW 28
WynnWSH 28

Complete Games

Complete Game

1. BonhamNYY 22
HughsonBOS 22
3. LyonsCHW 20
4. HudsonWSH 19
5. MarchildonPHA 18
SmithCHW 18
7. AukerSLB 17
HumphriesCHW 17
ChandlerNYY 17
WagnerBOS 17

Shutouts

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

1. BonhamNYY 6
2. BagbyCLE 4
RuffingNYY 4
MastersonWSH 4
HughsonBOS 4
WhiteDET 4
HarderCLE 4
BorowyNYY 4
9. ChandlerNYY 3
NiggelingSLB 3
GalehouseSLB 3
DobsonBOS 3

Home Runs

Home Runs Hit/Allowed

1. BagbyCLE 19
2. SmithCHW 17
3. DietrichCHW 16
AukerSLB 16
WolffPHA 16
6. TroutDET 15
7. MarchildonPHA 14
HarrisPHA 14
9. ChandlerNYY 13
FowlerPHA 13

Bases on Balls

Bases on Balls/Walks

1. MarchildonPHA 140
2. NewhouserDET 114
3. ChristopherPHA 99
4. WagnerBOS 95
5. NiggelingSLB 93
6. NewsomWSH 92
7. JuddBOS 90
8. TroutDET 89
9. AukerSLB 86
SmithCHW 86

Hits

Hits/Hits Allowed

1. AukerSLB 273
2. BagbyCLE 267
3. HudsonWSH 266
4. HughsonBOS 258
5. WynnWSH 246
6. NewsomWSH 236
7. HumphriesCHW 227
8. SmithCHW 223
9. MarchildonPHA 215
10. TroutDET 214

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. BonhamNYY 2.958
2. RuffingNYY 1.951
3. BreuerNYY 1.946
4. LyonsCHW 1.923
5. BridgesDET 1.590
6. HughsonBOS 1.507
7. WolffPHA 1.362
8. BentonDET 1.310
9. BorowyNYY 1.288
10. TrucksDET 1.230

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. TrucksDET 0.161
2. MilnarCLE 0.172
3. NewhouserDET 0.196
4. NewsomWSH 0.211
5. WagnerBOS 0.219
6. HollingsworthSLB 0.224
7. GalehouseSLB 0.234
8. WhiteDET 0.249
9. WynnWSH 0.284
10. BorowyNYY 0.303

Losses

Losses

1. SmithCHW 20
2. TroutDET 18
3. HudsonWSH 17
NewsomWSH 17
5. WynnWSH 16
6. HarrisPHA 15
WolffPHA 15
SmithCLE 15
9. HarderCLE 14
MarchildonPHA 14
NewhouserDET 14

Earned Runs

Earned Runs Allowed

1. NewsomWSH 117
2. HudsonWSH 116
3. MarchildonPHA 114
4. AukerSLB 113
5. WynnWSH 108
6. SmithCHW 95
7. BessePHA 91
8. BagbyCLE 89
9. NewsomeBOS 88
10. DietrichCHW 87

Wild Pitches

Wild Pitches

1. MarchildonPHA 13
2. TroutDET 8
3. NiggelingSLB 7
JuddBOS 7
TrucksDET 7
6. Sundra2TM 5
DonaldNYY 5
RossCHW 5
OstermuellerSLB 5
SmithCHW 5
HaynesCHW 5
BridgesDET 5
WolffPHA 5
ZuberWSH 5
BentonDET 5

Hit By Pitch

Times Hit by a Pitch.

1. NiggelingSLB 11
2. HumphriesCHW 7
3. DietrichCHW 5
SmithCLE 5
HudsonWSH 5
WagnerBOS 5
WhiteDET 5
8. BridgesDET 4
SmithCHW 4
ChandlerNYY 4
TroutDET 4
MilnarCLE 4
BessePHA 4
MarchildonPHA 4
GalehouseSLB 4

Batters Faced

Batters Faced

1. HughsonBOS 1,150
2. BagbyCLE 1,111
3. AukerSLB 1,093
4. MarchildonPHA 1,081
5. HudsonWSH 1,048
6. HumphriesCHW 967
7. TroutDET 965
8. NewsomWSH 957
9. BentonDET 954
10. SmithCHW 935

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. HaynesCHW 35
2. MurphyNYY 26
3. CasterSLB 24
4. BrownBOS 23
5. EisenstatCLE 19
GorsicaDET 19
ZuberWSH 19
8. Appleton2TM 16
9. FerrickCLE 15
RybaBOS 15
LindellNYY 15

Adjusted ERA+

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

1. LyonsCHW 171
2. NewhouserDET 162
3. BonhamNYY 152
4. ChandlerNYY 145
5. TrucksDET 145
6. BridgesDET 144
7. HughsonBOS 144
8. NiggelingSLB 140
9. BorowyNYY 137
10. BentonDET 136

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. BonhamNYY 2.91
2. BridgesDET 3.03
3. HughsonBOS 3.05
4. TrucksDET 3.08
5. RuffingNYY 3.10
6. NewsomWSH 3.16
7. HollingsworthSLB 3.16
8. BorowyNYY 3.17
9. BentonDET 3.23
10. BreuerNYY 3.26

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. HughsonBOS 36
2. BonhamNYY 32
3. LyonsCHW 29
4. ChandlerNYY 25
5. WhiteDET 24
6. BentonDET 24
7. NewhouserDET 23
8. NiggelingSLB 22
9. HumphriesCHW 21
10. BorowyNYY 21

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. HughsonBOS 3.9
2. BonhamNYY 3.6
3. LyonsCHW 3.3
4. ChandlerNYY 2.7
5. WhiteDET 2.6
6. BentonDET 2.6
7. NewhouserDET 2.4
8. NiggelingSLB 2.4
9. HumphriesCHW 2.3
10. BorowyNYY 2.2

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. BonhamNYY 40.77
2. HughsonBOS 36.89
3. BorowyNYY 31.47
4. ChandlerNYY 31.31
5. RuffingNYY 22.70
6. WhiteDET 22.52
7. BentonDET 22.08
8. BagbyCLE 19.74
9. HumphriesCHW 18.27
10. WagnerBOS 17.72

Win Probability Added (WPA)

<strong>Win Probability Added by Pitcher</strong><br>Given average teams, this is the change in probability.<br>See <a href='https://www.baseball-reference.com/about/wpa.shtml'>Win Expectancy explainer</a> for details.

1. BonhamNYY 5.0
2. HughsonBOS 4.3
3. BorowyNYY 3.4
4. NiggelingSLB 3.3
5. ChandlerNYY 3.1
6. TrucksDET 2.3
7. BridgesDET 2.3
8. BagbyCLE 2.1
9. HarderCLE 1.9
10. WagnerBOS 1.9

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. BonhamNYY 4.2
2. HughsonBOS 4.1
3. BorowyNYY 2.6
4. BreuerNYY 2.5
5. RuffingNYY 2.2
6. WhiteDET 2.2
7. BagbyCLE 2.0
8. BentonDET 1.9
9. TroutDET 1.8
10. FerrickCLE 1.8

Championship WPA (cWPA)

<strong>Championship Win Probability Added by Pitcher</strong><br>Given average teams, this is the change in probability of winning the World Series, displayed in percentage points.<br>See <a href='https://www.baseball-reference.com/about/wpa.shtml'>Win Expectancy explainer</a> for details.

1. ChandlerNYY 9.4
2. BorowyNYY 7.4
3. BonhamNYY 6.7
4. WagnerBOS 3.7
5. BentonDET 3.4
6. HughsonBOS 3.1
7. BridgesDET 2.5
8. RussoNYY 2.1
9. MurphyNYY 2.0
10. NewhouserDET 1.9

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. BonhamNYY 4.8
2. HughsonBOS 4.0
3. BorowyNYY 3.6
4. ChandlerNYY 3.6
5. RuffingNYY 2.6
6. WhiteDET 2.3
7. BentonDET 2.3
8. BagbyCLE 2.2
9. HumphriesCHW 2.0
10. WagnerBOS 1.9