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. PetrocelliBOS 10.0
2. JacksonOAK 9.2
3. BandoOAK 8.2
4. McLainDET 7.8
5. RobinsonBAL 7.5
6. BlairBAL 7.0
7. PerryMIN 6.5
8. McDowellCLE 6.3
9. KillebrewMIN 6.1
StottlemyreNYY 6.1

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. McLainDET 8.1
2. McDowellCLE 6.6
3. PerryMIN 6.3
4. StottlemyreNYY 5.7
5. MessersmithCAL 5.4
6. JohnCHW 5.1
7. PetersonNYY 4.7
8. LolichDET 4.6
9. BosmanWSA 4.5
PerranoskiMIN 4.5

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. BosmanWSA 2.19
2. PalmerBAL 2.34
3. CuellarBAL 2.38
4. MessersmithCAL 2.52
5. PetersonNYY 2.55
6. CoxWSA 2.78
7. McLainDET 2.80
8. PerryMIN 2.82
9. StottlemyreNYY 2.82
10. OdomOAK 2.92

Wins

Wins

1. McLainDET 24
2. CuellarBAL 23
3. BoswellMIN 20
McNallyBAL 20
PerryMIN 20
StottlemyreNYY 20
7. LolichDET 19
8. McDowellCLE 18
9. CulpBOS 17
PetersonNYY 17

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. PalmerBAL .800
2. PerryMIN .769
3. McNallyBAL .741
4. BosmanWSA .737
5. McLainDET .727
6. OdomOAK .714
7. CulpBOS .680
8. CuellarBAL .676
9. SeguĂ­SEP .667
PhoebusBAL .667

Walks & Hits per IP

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

1. PetersonNYY 0.996
2. CuellarBAL 1.005
3. BosmanWSA 1.010
4. MessersmithCAL 1.076
5. PalmerBAL 1.077
6. McLainDET 1.092
7. McDowellCLE 1.137
8. MayCAL 1.153
9. BunkerKCR 1.168
10. McNallyBAL 1.176

Hits per 9 IP

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

1. MessersmithCAL 6.084
2. PalmerBAL 6.514
3. CuellarBAL 6.595
4. LolichDET 6.862
5. OdomOAK 6.964
6. McDowellCLE 7.011
7. MayCAL 7.087
8. BosmanWSA 7.275
9. PetersonNYY 7.544
10. BoswellMIN 7.549

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. PetersonNYY 1.423
2. BosmanWSA 1.819
3. McLainDET 1.855
4. PerryMIN 2.270
5. CuellarBAL 2.446
6. BunkerKCR 2.506
7. McGlothlinCAL 2.597
8. KaatMIN 2.785
9. McNallyBAL 2.814
10. MurphyCAL 2.879

Strikeouts per 9 IP

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

1. McDowellCLE 8.811
2. LolichDET 8.690
3. MessersmithCAL 7.596
4. ButlerKCR 7.250
5. WilliamsCLE 7.015
6. CulpBOS 6.819
7. Siebert2TM 6.750
8. BoswellMIN 6.671
9. MayCAL 6.638
10. ColemanWSA 6.614

Games Played

Games Played or Pitched

1. WoodCHW 76
2. PerranoskiMIN 75
3. LyleBOS 71
4. Locker2TM 68
5. SeguĂ­SEP 66
6. WilliamsCLE 61
7. FingersOAK 60
LindbladOAK 60
9. BoutonSEP 57
Pizarro3TM 57

Saves

Saves

1. PerranoskiMIN 31
2. TatumCAL 22
3. LyleBOS 17
4. WattBAL 16
HigginsWSA 16
6. WoodCHW 15
7. Aker2TM 14
8. KnowlesWSA 13
9. WilliamsCLE 12
SeguĂ­SEP 12
RichertBAL 12
FingersOAK 12

Innings Pitched

Innings Pitched

1. McLainDET 325.0
2. StottlemyreNYY 303.0
3. CuellarBAL 290.2
4. McDowellCLE 285.0
5. LolichDET 280.2
6. PetersonNYY 272.0
7. McNallyBAL 268.2
8. PerryMIN 261.2
9. BoswellMIN 256.1
10. MessersmithCAL 250.0

Strikeouts

Strikeouts

1. McDowellCLE 279
2. LolichDET 271
3. MessersmithCAL 211
4. BoswellMIN 190
5. ColemanWSA 182
CuellarBAL 182
7. McLainDET 181
8. CulpBOS 172
9. McNallyBAL 166
10. ButlerKCR 156
TiantCLE 156

Games Started

Games Started

1. McLainDET 41
2. McNallyBAL 40
3. CuellarBAL 39
StottlemyreNYY 39
5. BoswellMIN 38
McDowellCLE 38
7. PetersonNYY 37
TiantCLE 37
9. ColemanWSA 36
LolichDET 36
PerryMIN 36

Complete Games

Complete Game

1. StottlemyreNYY 24
2. McLainDET 23
3. McDowellCLE 18
CuellarBAL 18
5. PetersonNYY 16
6. LolichDET 15
7. ColemanWSA 12
PerryMIN 12
9. McNallyBAL 11
DobsonOAK 11
PalmerBAL 11

Shutouts

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

1. McLainDET 9
2. PalmerBAL 6
3. CuellarBAL 5
4. KilkennyDET 4
McDowellCLE 4
ButlerKCR 4
ColemanWSA 4
McNallyBAL 4
PetersonNYY 4
10. PerryMIN 3
HunterOAK 3
OdomOAK 3
PetersCHW 3
StottlemyreNYY 3

Home Runs

Home Runs Hit/Allowed

1. TiantCLE 37
2. HunterOAK 34
3. BunkerKCR 29
PattinSEP 29
5. BahnsenNYY 28
6. BrabenderSEP 26
ColemanWSA 26
Brunet2TM 26
9. CulpBOS 25
McLainDET 25
WilliamsCLE 25

Bases on Balls

Bases on Balls/Walks

1. TiantCLE 129
2. LolichDET 122
3. OdomOAK 112
4. NagyBOS 106
5. BrabenderSEP 103
6. BurbachNYY 102
McDowellCLE 102
8. ColemanWSA 100
MessersmithCAL 100
10. BoswellMIN 99

Hits

Hits/Hits Allowed

1. McLainDET 288
2. StottlemyreNYY 267
3. KaatMIN 252
4. DobsonOAK 244
PerryMIN 244
6. PetersCHW 238
7. HorlenCHW 237
8. McNallyBAL 232
9. JohnCHW 230
10. TiantCLE 229

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. PetersonNYY 3.488
2. McDowellCLE 2.735
3. McLainDET 2.701
4. BosmanWSA 2.538
5. PerryMIN 2.318
6. CuellarBAL 2.304
7. LolichDET 2.221
8. CulpBOS 2.177
9. WilsonDET 2.174
10. MessersmithCAL 2.110

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. McDowellCLE 0.411
2. NagyBOS 0.458
3. PetersonNYY 0.496
4. MurphyCAL 0.501
5. BosmanWSA 0.513
6. PalmerBAL 0.547
7. CuellarBAL 0.557
8. NelsonKCR 0.559
9. StottlemyreNYY 0.564
10. OdomOAK 0.584

Losses

Losses

1. TiantCLE 20
2. BahnsenNYY 16
HorlenCHW 16
McGlothlinCAL 16
MurphyCAL 16
PetersonNYY 16
RookerKCR 16
8. HunterOAK 15
PetersCHW 15
10. BrabenderSEP 14
HarganCLE 14
McDowellCLE 14
StottlemyreNYY 14
WilliamsCLE 14

Earned Runs

Earned Runs Allowed

1. PetersCHW 110
2. TiantCLE 103
3. DobsonOAK 101
McLainDET 101
MurphyCAL 101
6. HorlenCHW 99
PattinSEP 99
8. BrabenderSEP 98
LolichDET 98
10. CulpBOS 96
McNallyBAL 96

Wild Pitches

Wild Pitches

1. MessersmithCAL 16
MurphyCAL 16
3. HigginsWSA 15
JohnCHW 15
5. LolichDET 14
McDowellCLE 14
7. OdomOAK 13
8. ColemanWSA 12
9. BahnsenNYY 10
BoswellMIN 10
HannanWSA 10

Hit By Pitch

Times Hit by a Pitch.

1. MurphyCAL 21
2. LolichDET 14
3. BrabenderSEP 13
4. WilliamsCLE 12
5. NagyBOS 11
6. KaatMIN 9
PerryMIN 9
8. BoswellMIN 8
TiantCLE 8
10. LonborgBOS 7
McDowellCLE 7

Batters Faced

Batters Faced

1. McLainDET 1,304
2. StottlemyreNYY 1,244
3. LolichDET 1,172
4. McDowellCLE 1,166
5. CuellarBAL 1,137
6. McNallyBAL 1,093
7. TiantCLE 1,091
8. PerryMIN 1,079
9. BoswellMIN 1,070
10. PetersonNYY 1,066

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. PerranoskiMIN 52
2. WoodCHW 50
3. LyleBOS 44
4. WattBAL 41
5. KnowlesWSA 40
6. SeguĂ­SEP 38
7. DrabowskyKCR 37
8. HigginsWSA 35
WilhelmCAL 35
10. TatumCAL 33

Adjusted ERA+

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

1. BosmanWSA 158
2. PalmerBAL 152
3. CuellarBAL 149
4. MessersmithCAL 137
5. PetersonNYY 137
6. McLainDET 134
7. PerryMIN 131
8. McDowellCLE 127
9. CoxWSA 124
10. NagyBOS 124

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. McDowellCLE 2.29
2. PetersonNYY 2.63
3. BosmanWSA 2.86
4. CuellarBAL 2.89
5. MessersmithCAL 2.97
6. PalmerBAL 3.02
7. McLainDET 3.05
8. LolichDET 3.05
9. PerryMIN 3.09
10. BoswellMIN 3.19

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. McLainDET 37
2. CuellarBAL 36
3. PerryMIN 28
4. PalmerBAL 27
5. MessersmithCAL 26
6. PetersonNYY 26
7. BosmanWSA 26
8. StottlemyreNYY 24
9. McDowellCLE 22
10. TatumCAL 22

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. McLainDET 4.1
2. CuellarBAL 4.0
3. PalmerBAL 3.1
4. PerryMIN 3.0
5. MessersmithCAL 2.9
6. BosmanWSA 2.8
7. PetersonNYY 2.8
8. StottlemyreNYY 2.7
9. McDowellCLE 2.4
10. TatumCAL 2.4

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. McLainDET 51.73
2. CuellarBAL 43.28
3. PalmerBAL 34.81
4. PerryMIN 32.80
5. MessersmithCAL 29.87
6. TatumCAL 29.69
7. PetersonNYY 29.27
8. BosmanWSA 28.68
9. StottlemyreNYY 27.96
10. McNallyBAL 23.71

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. McLainDET 7.2
2. TatumCAL 4.6
3. CuellarBAL 4.3
4. PerranoskiMIN 4.2
5. PetersonNYY 3.8
6. PalmerBAL 3.4
7. PerryMIN 3.2
8. McDowellCLE 3.1
9. BosmanWSA 3.0
10. MessersmithCAL 3.0

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. CuellarBAL 5.4
2. McLainDET 4.9
3. PetersonNYY 4.3
4. McDowellCLE 4.2
5. PalmerBAL 3.3
6. MessersmithCAL 3.3
7. BosmanWSA 3.1
8. McNallyBAL 2.5
9. PerranoskiMIN 2.4
10. PerryMIN 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. PerranoskiMIN 6.6
2. CuellarBAL 3.7
3. McLainDET 3.0
4. PerryMIN 3.0
5. PalmerBAL 2.8
6. LindbladOAK 2.4
7. McNallyBAL 2.1
8. OdomOAK 2.0
9. Romo2TM 2.0
10. HallMIN 1.7

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. McLainDET 5.8
2. CuellarBAL 4.9
3. PalmerBAL 4.0
4. PerryMIN 3.6
5. MessersmithCAL 3.4
6. TatumCAL 3.3
7. PetersonNYY 3.3
8. BosmanWSA 3.3
9. StottlemyreNYY 3.1
10. McNallyBAL 2.6