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. Perry • CLE 8.5
2. Blyleven • MIN 7.8
3. Jenkins • TEX 7.8
4. Tiant • BOS 7.7
5. Carew • MIN 7.5
6. Grich • BAL 7.3
7. Kaat • CHW 7.0
8. Hunter • OAK 6.9
9. Busby • KCR 6.5
10. Ryan • CAL 5.9

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. Perry • CLE 8.5
2. Blyleven • MIN 7.8
3. Tiant • BOS 7.7
4. Jenkins • TEX 7.7
5. Kaat • CHW 7.1
6. Hunter • OAK 6.9
7. Busby • KCR 6.5
8. Ryan • CAL 5.9
9. Wood • CHW 5.5
10. Murphy • MIL 5.1

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. Hunter • OAK 2.49
2. Perry • CLE 2.51
3. Hassler • CAL 2.61
4. Blyleven • MIN 2.66
5. Fitzmorris • KCR 2.79
6. Jenkins • TEX 2.82
7. Ryan • CAL 2.89
8. Tiant • BOS 2.92
9. Kaat • CHW 2.92
10. Perry • CLE 2.96

Wins

Wins

1. Hunter • OAK 25
Jenkins • TEX 25
3. Busby • KCR 22
Cuellar • BAL 22
Ryan • CAL 22
Tiant • BOS 22
7. Kaat • CHW 21
Perry • CLE 21
9. Wood • CHW 20
10. Bibby • TEX 19
Dobson • NYY 19
Holtzman • OAK 19
Medich • NYY 19

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. Cuellar • BAL .688
2. Fitzmorris • KCR .684
3. Jenkins • TEX .676
Hunter • OAK .676
5. Tiant • BOS .629
6. Perry • CLE .618
Kaat • CHW .618
8. McNally • BAL .615
9. Busby • KCR .611
10. Perry • CLE .586

Walks & Hits per IP

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

1. Hunter • OAK 0.986
2. Jenkins • TEX 1.008
3. Perry • CLE 1.021
4. Blyleven • MIN 1.142
5. Grimsley • BAL 1.160
6. Tiant • BOS 1.166
7. Kaat • CHW 1.175
8. Wood • CHW 1.202
9. Perry • CLE 1.214
10. Blue • OAK 1.218

Hits per 9 IP

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

1. Ryan • CAL 5.979
2. Perry • CLE 6.422
3. Dal Canton • KCR 6.930
4. Hassler • CAL 7.333
5. Hunter • OAK 7.577
6. Blyleven • MIN 7.815
7. Jenkins • TEX 7.840
8. Blue • OAK 7.842
9. Tiant • BOS 8.123
10. Grimsley • BAL 8.127

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. Jenkins • TEX 1.234
2. Hunter • OAK 1.301
3. Holtzman • OAK 1.798
4. Kaat • CHW 2.044
5. Wright • MIL 2.095
6. Lee • BOS 2.136
7. Wood • CHW 2.248
8. Lolich • DET 2.279
9. Perry • CLE 2.286
10. Grimsley • BAL 2.313

Strikeouts per 9 IP

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

1. Ryan • CAL 9.929
2. Blyleven • MIN 7.975
3. Jenkins • TEX 6.168
4. Busby • KCR 6.096
5. Perry • CLE 6.031
6. Tanana • CAL 6.030
7. Lolich • DET 5.903
8. Moret • BOS 5.763
9. Decker • MIN 5.718
10. Coleman • DET 5.576

Games Played

Games Played or Pitched

1. Fingers • OAK 76
2. Murphy • MIL 70
3. Foucault • TEX 69
4. Lyle • NYY 66
5. Campbell • MIN 63
6. Forster • CHW 59
Hiller • DET 59
8. SeguĂ­ • BOS 58
9. Bird • KCR 55
Buskey • 2TM 55

Saves

Saves

1. Forster • CHW 24
2. Murphy • MIL 20
3. Campbell • MIN 19
4. Buskey • 2TM 18
Fingers • OAK 18
6. Lyle • NYY 15
7. Hiller • DET 13
8. Jackson • BAL 12
Foucault • TEX 12
10. Bird • KCR 10
SeguĂ­ • BOS 10

Innings Pitched

Innings Pitched

1. Ryan • CAL 332.2
2. Jenkins • TEX 328.1
3. Perry • CLE 322.1
4. Wood • CHW 320.1
5. Hunter • OAK 318.1
6. Tiant • BOS 311.1
7. Lolich • DET 308.0
8. Grimsley • BAL 295.2
9. Busby • KCR 292.1
10. Coleman • DET 285.2

Strikeouts

Strikeouts

1. Ryan • CAL 367
2. Blyleven • MIN 249
3. Jenkins • TEX 225
4. Perry • CLE 216
5. Lolich • DET 202
6. Busby • KCR 198
7. Tanana • CAL 180
8. Coleman • DET 177
9. Tiant • BOS 176
10. Blue • OAK 174

Games Started

Games Started

1. Wood • CHW 42
2. Bibby • TEX 41
Coleman • DET 41
Hunter • OAK 41
Jenkins • TEX 41
Lolich • DET 41
Ryan • CAL 41
8. Blue • OAK 40
9. Dobson • NYY 39
Grimsley • BAL 39
Kaat • CHW 39

Complete Games

Complete Game

1. Jenkins • TEX 29
2. Perry • CLE 28
3. Lolich • DET 27
4. Ryan • CAL 26
5. Tiant • BOS 25
6. Hunter • OAK 23
7. Wood • CHW 22
8. Cuellar • BAL 20
Busby • KCR 20
10. Blyleven • MIN 19

Shutouts

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

1. Tiant • BOS 7
2. Jenkins • TEX 6
Hunter • OAK 6
4. Bibby • TEX 5
Cuellar • BAL 5
6. Grimsley • BAL 4
Tanana • CAL 4
Fitzmorris • KCR 4
McNally • BAL 4
Medich • NYY 4
Perry • CLE 4

Home Runs

Home Runs Hit/Allowed

1. Lolich • DET 38
2. Coleman • DET 30
3. Colborn • MIL 27
Jenkins • TEX 27
Tanana • CAL 27
Wood • CHW 27
7. Grimsley • BAL 26
8. Bibby • TEX 25
Cleveland • BOS 25
Hunter • OAK 25
Lee • BOS 25
Perry • CLE 25

Bases on Balls

Bases on Balls/Walks

1. Ryan • CAL 202
2. Coleman • DET 158
3. Bibby • TEX 113
4. Bahnsen • CHW 110
5. Slaton • MIL 102
6. Perry • CLE 99
7. Blue • OAK 98
8. Decker • MIN 97
9. Busby • KCR 92
10. Medich • NYY 91

Hits

Hits/Hits Allowed

1. Lee • BOS 320
2. Lolich • DET 310
3. Wood • CHW 305
4. Jenkins • TEX 286
5. Busby • KCR 284
6. Dobson • NYY 282
7. Tiant • BOS 281
8. Medich • NYY 275
9. Holtzman • OAK 273
10. Coleman • DET 272

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. Jenkins • TEX 5.000
2. Blyleven • MIN 3.234
3. Hunter • OAK 3.109
4. Lolich • DET 2.590
5. Tanana • CAL 2.338
6. Holtzman • OAK 2.294
7. Kaat • CHW 2.254
8. Perry • CLE 2.182
9. Busby • KCR 2.152
10. Tiant • BOS 2.146

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. Dal Canton • KCR 0.257
2. Fitzmorris • KCR 0.379
3. Perry • CLE 0.393
4. Busby • KCR 0.431
5. Blyleven • MIN 0.448
6. Ryan • CAL 0.487
7. Holtzman • OAK 0.493
8. Brown • TEX 0.540
9. Blue • OAK 0.542
10. Hassler • CAL 0.556

Losses

Losses

1. Lolich • DET 21
2. Wright • MIL 20
3. Bibby • TEX 19
LaGrow • DET 19
Splittorff • KCR 19
Tanana • CAL 19
Wood • CHW 19
8. Blyleven • MIN 17
Holtzman • OAK 17
10. Ryan • CAL 16
Slaton • MIL 16

Earned Runs

Earned Runs Allowed

1. Lolich • DET 142
2. Bibby • TEX 139
3. Coleman • DET 137
4. Wood • CHW 128
5. Wright • MIL 114
6. Bahnsen • CHW 113
7. LaGrow • DET 112
Medich • NYY 112
9. Busby • KCR 110
Lee • BOS 110

Wild Pitches

Wild Pitches

1. Dal Canton • KCR 16
2. Slaton • MIL 14
3. Coleman • DET 13
4. LaGrow • DET 12
SeguĂ­ • BOS 12
6. Bibby • TEX 11
7. Fitzmorris • KCR 10
Lolich • DET 10
9. Blue • OAK 9
Decker • MIN 9
Forster • CHW 9
Grimsley • BAL 9
Ryan • CAL 9

Hit By Pitch

Times Hit by a Pitch.

1. Coleman • DET 12
2. Bibby • TEX 9
Blyleven • MIN 9
Busby • KCR 9
Cleveland • BOS 9
Hassler • CAL 9
Ryan • CAL 9
Wood • CHW 9
9. Forster • CHW 8
Jenkins • TEX 8
McNally • BAL 8
Medich • NYY 8
Tanana • CAL 8

Batters Faced

Batters Faced

1. Ryan • CAL 1,392
2. Wood • CHW 1,316
3. Jenkins • TEX 1,305
4. Tiant • BOS 1,266
5. Lolich • DET 1,263
6. Coleman • DET 1,262
Perry • CLE 1,262
8. Hunter • OAK 1,240
9. Busby • KCR 1,220
10. Grimsley • BAL 1,198

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. Murphy • MIL 66
2. Fingers • OAK 60
3. Lyle • NYY 59
4. Campbell • MIN 55
5. Foucault • TEX 53
6. Hiller • DET 52
7. Forster • CHW 49
8. SeguĂ­ • BOS 46
9. Bird • KCR 44
10. Buskey • 2TM 42

Adjusted ERA+

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

1. Perry • CLE 144
2. Blyleven • MIN 142
3. Fitzmorris • KCR 136
4. Hunter • OAK 134
5. Tiant • BOS 133
6. Hassler • CAL 131
7. Kaat • CHW 129
8. Jenkins • TEX 126
9. Perry • CLE 122
10. Dal Canton • KCR 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. Blyleven • MIN 2.37
2. Jenkins • TEX 2.76
3. Busby • KCR 2.88
4. Ryan • CAL 2.98
5. Holtzman • OAK 3.01
6. Kaat • CHW 3.14
7. Tiant • BOS 3.15
8. Hunter • OAK 3.17
9. Blue • OAK 3.18
10. Brown • TEX 3.20

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. Perry • CLE 42
2. Tiant • BOS 35
3. Hunter • OAK 34
4. Blyleven • MIN 32
5. Jenkins • TEX 27
6. Murphy • MIL 25
7. Kaat • CHW 24
8. Lyle • NYY 22
9. Perry • CLE 19
10. Fitzmorris • KCR 18

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. Perry • CLE 4.7
2. Tiant • BOS 3.9
3. Hunter • OAK 3.8
4. Blyleven • MIN 3.5
5. Jenkins • TEX 3.0
6. Murphy • MIL 2.6
7. Kaat • CHW 2.6
8. Lyle • NYY 2.3
9. Perry • CLE 2.0
10. Fitzmorris • KCR 1.9

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. Perry • CLE 48.65
2. Hunter • OAK 44.08
3. Tiant • BOS 43.29
4. Blyleven • MIN 35.42
5. Jenkins • TEX 32.42
6. Murphy • MIL 27.30
7. Kaat • CHW 24.27
8. Ryan • CAL 23.59
9. Busby • KCR 20.19
10. Perry • CLE 19.95

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. Tiant • BOS 5.8
2. Jenkins • TEX 5.5
3. Murphy • MIL 4.4
4. Cuellar • BAL 3.8
5. Blyleven • MIN 3.7
6. Perry • CLE 3.7
7. Kaat • CHW 3.6
8. Hunter • OAK 2.9
9. Ryan • CAL 2.8
10. Lyle • NYY 2.8

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. Hunter • OAK 4.7
2. Perry • CLE 4.5
3. Jenkins • TEX 4.3
4. Tiant • BOS 4.3
5. Blyleven • MIN 3.6
6. Ryan • CAL 3.2
7. Perry • CLE 2.9
8. Grimsley • BAL 2.7
9. Kaat • CHW 2.7
10. Busby • KCR 2.4

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. Tiant • BOS 9.5
2. Lyle • NYY 8.0
3. Cuellar • BAL 7.3
4. Grimsley • BAL 5.5
5. Palmer • BAL 5.5
6. Reynolds • BAL 5.3
7. Medich • NYY 4.3
8. Dobson • NYY 3.9
9. Hunter • OAK 3.2
10. Gura • NYY 3.2

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. Perry • CLE 5.6
2. Hunter • OAK 5.2
3. Tiant • BOS 4.7
4. Blyleven • MIN 3.9
5. Jenkins • TEX 3.6
6. Murphy • MIL 2.9
7. Ryan • CAL 2.6
8. Kaat • CHW 2.6
9. Perry • CLE 2.2
10. Dobson • NYY 2.1