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. FoxxBOS 7.4
2. GreenbergDET 6.5
3. CliftSLB 6.3
4. CroninBOS 6.1
5. RuffingNYY 6.0
6. LeeCHW 5.9
7. DiMaggioNYY 5.6
8. AverillCLE 5.4
9. MyerWSH 5.2
TravisWSH 5.2

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. LeeCHW 5.5
2. RuffingNYY 5.3
3. HarderCLE 5.2
4. GroveBOS 5.1
FellerCLE 5.1
6. CasterPHA 5.0
7. NewsomSLB 4.8
8. LyonsCHW 4.6
9. RigneyCHW 4.6
10. GomezNYY 4.6

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. GroveBOS 3.08
2. RuffingNYY 3.31
3. GomezNYY 3.35
4. LeonardWSH 3.43
5. LeeCHW 3.49
6. RigneyCHW 3.56
7. HadleyNYY 3.60
8. LyonsCHW 3.70
9. HarderCLE 3.83
10. PearsonNYY 3.97

Wins

Wins

1. RuffingNYY 21
2. NewsomSLB 20
3. GomezNYY 18
4. FellerCLE 17
HarderCLE 17
6. PearsonNYY 16
CasterPHA 16
8. BagbyBOS 15
StrattonCHW 15
Ferrell2TM 15
WilsonBOS 15

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. GroveBOS .778
2. RuffingNYY .750
3. ChandlerNYY .737
4. OstermuellerBOS .722
5. PearsonNYY .696
6. AllenCLE .636
7. HarderCLE .630
8. StrattonCHW .625
9. FellerCLE .607
10. Ferrell2TM .600
GomezNYY .600

Walks & Hits per IP

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

1. LeonardWSH 1.227
2. StrattonCHW 1.299
3. RuffingNYY 1.326
4. HarderCLE 1.329
5. ChandlerNYY 1.337
6. AllenCLE 1.350
7. GroveBOS 1.350
8. HadleyNYY 1.380
9. LeeCHW 1.410
10. RigneyCHW 1.413

Hits per 9 IP

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

1. FellerCLE 7.293
2. AllenCLE 8.505
3. PearsonNYY 8.822
4. RigneyCHW 8.838
5. HadleyNYY 8.875
6. LeonardWSH 8.906
7. RuffingNYY 8.951
8. StrattonCHW 8.984
9. GomezNYY 9.000
10. NewsomSLB 9.118

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. LeonardWSH 2.136
2. HarderCLE 2.325
3. LyonsCHW 2.404
4. ChandlerNYY 2.459
5. ThomasPHA 2.628
6. StrattonCHW 2.705
7. GillDET 2.744
8. GroveBOS 2.859
9. OstermuellerBOS 2.955
10. RuffingNYY 2.984

Strikeouts per 9 IP

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

1. FellerCLE 7.779
2. NewsomSLB 6.170
3. MillsSLB 5.734
4. GroveBOS 5.444
5. AllenCLE 5.040
6. GomezNYY 4.858
7. RuffingNYY 4.621
8. RigneyCHW 4.527
9. WilsonBOS 4.438
10. PearsonNYY 4.366

Games Played

Games Played or Pitched

1. HumphriesCLE 45
2. NewsomSLB 44
3. AppletonWSH 43
BagbyBOS 43
SmithPHA 43
6. CasterPHA 42
ThomasPHA 42
Kelley2TM 42
9. CoffmanDET 39
FellerCLE 39

Saves

Saves

1. MurphyNYY 11
2. McKainBOS 6
HumphriesCLE 6
4. AppletonWSH 5
PotterPHA 5
6. SmithPHA 4
HarderCLE 4
EisenstatDET 4
9. JohnsonSLB 3
HogsettWSH 3
GalehouseCLE 3
ColeSLB 3

Innings Pitched

Innings Pitched

1. NewsomSLB 329.2
2. CasterPHA 281.1
3. FellerCLE 277.2
4. RuffingNYY 247.1
5. LeeCHW 245.1
6. HarderCLE 240.0
7. GomezNYY 239.0
8. LeonardWSH 223.1
9. ThomasPHA 212.1
10. MillsSLB 210.1

Strikeouts

Strikeouts

1. FellerCLE 240
2. NewsomSLB 226
3. MillsSLB 134
4. GomezNYY 129
5. RuffingNYY 127
6. AllenCLE 112
CasterPHA 112
8. KrakauskasWSH 104
9. HarderCLE 102
10. BridgesDET 101

Games Started

Games Started

1. NewsomSLB 40
CasterPHA 40
3. FellerCLE 36
4. GomezNYY 32
5. LeonardWSH 31
RuffingNYY 31
7. LeeCHW 30
8. HarderCLE 29
ThomasPHA 29
10. RossPHA 28

Complete Games

Complete Game

1. NewsomSLB 31
2. RuffingNYY 22
3. GomezNYY 20
FellerCLE 20
CasterPHA 20
6. LeeCHW 18
7. PearsonNYY 17
LyonsCHW 17
StrattonCHW 17
10. MillsSLB 15
HarderCLE 15
LeonardWSH 15

Shutouts

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

1. GomezNYY 4
2. WilsonBOS 3
RuffingNYY 3
LeonardWSH 3
5. Kelley2TM 2
WhiteheadCHW 2
HarderCLE 2
FellerCLE 2
CasterPHA 2
ChandlerNYY 2

Home Runs

Home Runs Hit/Allowed

1. NewsomSLB 30
2. NelsonPHA 29
3. CasterPHA 25
4. RossPHA 23
ThomasPHA 23
6. StrattonCHW 18
HildebrandSLB 18
WhitehillCLE 18
Ferrell2TM 18
10. HarderCLE 16
RuffingNYY 16
RigneyCHW 16
WilsonBOS 16
MillsSLB 16

Bases on Balls

Bases on Balls/Walks

1. FellerCLE 208
2. NewsomSLB 192
3. CasterPHA 117
4. MillsSLB 116
5. ChaseWSH 113
KennedyDET 113
PearsonNYY 113
8. GomezNYY 99
9. LeeCHW 94
10. WilsonBOS 91

Hits

Hits/Hits Allowed

1. NewsomSLB 334
2. CasterPHA 310
3. ThomasPHA 259
4. HarderCLE 257
5. LeeCHW 252
6. RuffingNYY 246
7. Ferrell2TM 245
8. GomezNYY 239
9. LyonsCHW 238
10. FellerCLE 225

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. GroveBOS 1.904
2. HarderCLE 1.645
3. RuffingNYY 1.549
4. StrattonCHW 1.464
5. AllenCLE 1.383
6. GomezNYY 1.303
7. LeonardWSH 1.283
8. NewsomSLB 1.177
9. RigneyCHW 1.167
10. MillsSLB 1.155

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. GomezNYY 0.264
2. ChandlerNYY 0.366
3. BagbyBOS 0.408
4. FellerCLE 0.421
5. GroveBOS 0.440
6. LeeCHW 0.440
7. LeonardWSH 0.443
8. PearsonNYY 0.535
9. RuffingNYY 0.582
10. WhiteheadCHW 0.589

Losses

Losses

1. CasterPHA 20
2. NewsomSLB 16
RossPHA 16
4. LeonardWSH 15
WilsonBOS 15
6. ThomasPHA 14
7. Knott2TM 12
LeeCHW 12
MillsSLB 12
GomezNYY 12
PotterPHA 12
WalkupSLB 12

Earned Runs

Earned Runs Allowed

1. NewsomSLB 186
2. CasterPHA 136
3. FellerCLE 126
4. Ferrell2TM 125
5. MillsSLB 124
6. NelsonPHA 120
7. ThomasPHA 116
8. RossPHA 109
9. KennedyDET 107
10. HildebrandSLB 103

Wild Pitches

Wild Pitches

1. LeonardWSH 11
2. PearsonNYY 9
3. AppletonWSH 8
4. AllenCLE 7
RigneyCHW 7
KennedyDET 7
7. Kelley2TM 6
HadleyNYY 6
ChaseWSH 6
10. Ferrell2TM 5
BagbyBOS 5
MillsSLB 5
ThomasPHA 5
OstermuellerBOS 5
CasterPHA 5
FellerCLE 5
NelsonPHA 5
GomezNYY 5

Hit By Pitch

Times Hit by a Pitch.

1. WhitehillCLE 9
2. HogsettWSH 8
MillsSLB 8
4. LeonardWSH 7
StrattonCHW 7
FellerCLE 7
7. HarderCLE 5
ColeSLB 5
NewsomSLB 5
AukerDET 5
NelsonPHA 5

Batters Faced

Batters Faced

1. NewsomSLB 1,475
2. CasterPHA 1,250
3. FellerCLE 1,248
4. LeeCHW 1,074
5. RuffingNYY 1,043
6. GomezNYY 1,034
7. HarderCLE 1,026
8. MillsSLB 962
9. ThomasPHA 945
10. LeonardWSH 939

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. SmithPHA 27
2. MurphyNYY 26
3. HumphriesCLE 25
4. AppletonWSH 23
5. ColeSLB 21
6. PotterPHA 20
7. RigneyCHW 19
8. HogsettWSH 18
9. Kelley2TM 17
EisenstatDET 17

Adjusted ERA+

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

1. GroveBOS 160
2. LeeCHW 142
3. RigneyCHW 139
4. RuffingNYY 138
5. GomezNYY 136
6. LyonsCHW 134
7. LeonardWSH 132
8. HadleyNYY 127
9. GillDET 124
10. StrattonCHW 123

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. GroveBOS 3.50
2. GomezNYY 3.65
3. RuffingNYY 3.91
4. LeonardWSH 3.94
5. HarderCLE 3.95
6. ChandlerNYY 4.06
7. LyonsCHW 4.21
8. AllenCLE 4.21
9. LeeCHW 4.29
10. FellerCLE 4.30

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. RuffingNYY 36
2. LeeCHW 33
3. GroveBOS 33
4. GomezNYY 30
5. RigneyCHW 26
6. LyonsCHW 26
7. LeonardWSH 23
8. HarderCLE 23
9. FellerCLE 21
10. StrattonCHW 19

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. RuffingNYY 3.5
2. GroveBOS 3.2
3. LeeCHW 3.1
4. GomezNYY 2.9
5. LyonsCHW 2.5
6. RigneyCHW 2.4
7. LeonardWSH 2.2
8. HarderCLE 2.1
9. FellerCLE 1.9
10. StrattonCHW 1.8

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. RuffingNYY 49.18
2. GomezNYY 37.66
3. GroveBOS 36.63
4. LyonsCHW 31.92
LeeCHW 31.92
6. FellerCLE 30.75
7. RigneyCHW 28.14
8. HarderCLE 27.04
9. HadleyNYY 23.46
10. EisenstatDET 19.92

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. RuffingNYY 4.4
2. GroveBOS 4.1
3. HarderCLE 4.0
4. ChandlerNYY 3.3
5. LeeCHW 3.1
6. GomezNYY 3.0
7. FellerCLE 2.9
8. EisenstatDET 2.8
9. LyonsCHW 2.8
10. HadleyNYY 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. RuffingNYY 4.1
2. HarderCLE 2.9
3. GomezNYY 2.8
4. ChandlerNYY 2.6
5. GroveBOS 2.5
6. LeeCHW 2.3
7. LeonardWSH 2.2
8. HadleyNYY 1.9
9. AllenCLE 1.9
10. StrattonCHW 1.6

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. RuffingNYY 8.7
2. GroveBOS 7.6
3. ChandlerNYY 7.2
4. AllenCLE 6.2
5. MurphyNYY 5.9
6. GomezNYY 5.8
7. HarderCLE 5.3
8. HumphriesCLE 5.0
9. FellerCLE 4.5
10. HadleyNYY 3.4

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. RuffingNYY 4.9
2. GomezNYY 3.7
3. GroveBOS 3.5
4. LyonsCHW 3.0
5. LeeCHW 3.0
6. FellerCLE 2.9
7. RigneyCHW 2.6
8. HarderCLE 2.6
9. HadleyNYY 2.3
10. ChandlerNYY 1.8