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. Rosen • CLE 10.1
2. Trucks • 2TM 6.4
3. Boone • 2TM 5.8
4. Mantle • NYY 5.8
5. Pierce • CHW 5.6
6. Bauer • NYY 5.5
7. Vernon • WSH 5.4
8. Porterfield • WSH 5.4
9. Yost • WSH 5.2
10. Berra • NYY 4.9

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. Pierce • CHW 6.2
2. Trucks • 2TM 6.0
3. Kinder • BOS 4.4
4. Parnell • BOS 4.2
5. Porterfield • WSH 4.2
6. Garcia • CLE 4.0
7. Kellner • PHA 3.6
8. McDermott • BOS 3.5
9. Fricano • PHA 3.3
10. Lemon • CLE 3.2

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. Lopat • NYY 2.42
2. Pierce • CHW 2.72
3. Trucks • 2TM 2.93
4. Ford • NYY 3.00
Sain • NYY 3.00
6. McDermott • BOS 3.01
7. Parnell • BOS 3.06
8. Garcia • CLE 3.25
9. Raschi • NYY 3.33
10. Porterfield • WSH 3.35

Wins

Wins

1. Porterfield • WSH 22
2. Parnell • BOS 21
Lemon • CLE 21
4. Trucks • 2TM 20
5. Garcia • CLE 18
Ford • NYY 18
Pierce • CHW 18
McDermott • BOS 18
9. Wynn • CLE 17
10. Lopat • NYY 16

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. Lopat • NYY .800
2. Ford • NYY .750
3. Parnell • BOS .724
4. Porterfield • WSH .688
5. Raschi • NYY .684
6. Sain • NYY .667
Garcia • CLE .667
Trucks • 2TM .667
9. Reynolds • NYY .650
10. Brown • BOS .647

Walks & Hits per IP

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

1. Lopat • NYY 1.127
2. Raschi • NYY 1.133
3. Pierce • CHW 1.172
4. Sain • NYY 1.238
5. Porterfield • WSH 1.239
6. Masterson • WSH 1.244
7. Garcia • CLE 1.255
8. Trucks • 2TM 1.260
9. Feller • CLE 1.269
10. Kellner • PHA 1.294

Hits per 9 IP

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

1. Pierce • CHW 7.165
2. McDermott • BOS 7.372
3. Raschi • NYY 7.459
4. Masterson • WSH 7.846
5. Trucks • 2TM 7.967
6. Parnell • BOS 8.104
7. Ford • NYY 8.130
8. Shea • WSH 8.253
9. Feller • CLE 8.351
10. Wynn • CLE 8.368

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. Lopat • NYY 1.615
2. Sain • NYY 2.143
3. Kellner • PHA 2.276
4. Porterfield • WSH 2.576
5. Hoeft • DET 2.641
6. Garcia • CLE 2.683
7. Raschi • NYY 2.735
8. Houtteman • 2TM 2.735
9. Hudson • BOS 2.827
10. Larsen • SLB 2.990

Strikeouts per 9 IP

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

1. Pierce • CHW 6.170
2. Gray • DET 5.881
3. Masterson • WSH 5.140
4. Parnell • BOS 5.079
5. Trucks • 2TM 5.073
6. Wynn • CLE 4.935
7. Ford • NYY 4.783
8. Byrd • PHA 4.639
9. Larsen • SLB 4.484
10. Garcia • CLE 4.439

Games Played

Games Played or Pitched

1. Kinder • BOS 69
2. Stuart • SLB 60
3. Martin • PHA 58
4. Paige • SLB 57
5. Dorish • CHW 55
6. Dixon • WSH 43
Herbert • DET 43
Hooper • CLE 43
9. Marlowe • DET 42
10. Lemon • CLE 41
Reynolds • NYY 41

Saves

Saves

1. Kinder • BOS 27
2. Dorish • CHW 17
3. Reynolds • NYY 13
4. Paige • SLB 11
5. Hooper • CLE 7
Martin • PHA 7
Sain • NYY 7
8. Stuart • SLB 6
Herbert • DET 6
Gorman • NYY 6

Innings Pitched

Innings Pitched

1. Lemon • CLE 286.2
2. Garcia • CLE 271.2
3. Pierce • CHW 271.1
4. Trucks • 2TM 264.1
5. Porterfield • WSH 255.0
6. Wynn • CLE 251.2
7. Parnell • BOS 241.0
8. Byrd • PHA 236.2
9. Fricano • PHA 211.0
10. Ford • NYY 207.0

Strikeouts

Strikeouts

1. Pierce • CHW 186
2. Trucks • 2TM 149
3. Wynn • CLE 138
4. Parnell • BOS 136
5. Garcia • CLE 134
6. Byrd • PHA 122
7. Gray • DET 115
8. Ford • NYY 110
9. Littlefield • SLB 104
10. Lemon • CLE 98

Games Started

Games Started

1. Byrd • PHA 37
2. Lemon • CLE 36
3. Garcia • CLE 35
4. Parnell • BOS 34
Wynn • CLE 34
6. Trucks • 2TM 33
Pierce • CHW 33
8. Porterfield • WSH 32
9. Ford • NYY 30
McDermott • BOS 30

Complete Games

Complete Game

1. Porterfield • WSH 24
2. Lemon • CLE 23
3. Garcia • CLE 21
4. Pierce • CHW 19
5. Trucks • 2TM 17
6. Wynn • CLE 16
7. Kellner • PHA 14
8. Garver • DET 13
9. Parnell • BOS 12
10. Shea • WSH 11
Ford • NYY 11
Byrd • PHA 11

Shutouts

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

1. Porterfield • WSH 9
2. Pierce • CHW 7
3. Trucks • 2TM 5
Parnell • BOS 5
Lemon • CLE 5
6. Raschi • NYY 4
McDermott • BOS 4
Masterson • WSH 4
9. Ford • NYY 3
Garcia • CLE 3
Lopat • NYY 3

Home Runs

Home Runs Hit/Allowed

1. Gray • DET 25
2. Hoeft • DET 24
3. Byrd • PHA 23
4. Fricano • PHA 21
5. Pierce • CHW 20
6. Porterfield • WSH 19
Wynn • CLE 19
8. Garcia • CLE 18
Trucks • 2TM 18
10. Littlefield • SLB 17
Rogovin • CHW 17
Gromek • 2TM 17

Bases on Balls

Bases on Balls/Walks

1. Parnell • BOS 116
2. Byrd • PHA 115
3. Ford • NYY 110
Lemon • CLE 110
5. McDermott • BOS 109
6. Wynn • CLE 107
7. Pierce • CHW 102
8. Trucks • 2TM 99
9. Fricano • PHA 90
10. Bishop • PHA 86

Hits

Hits/Hits Allowed

1. Lemon • CLE 283
2. Byrd • PHA 279
3. Garcia • CLE 260
4. Porterfield • WSH 243
5. Wynn • CLE 234
Trucks • 2TM 234
7. Garver • DET 228
8. Hoeft • DET 223
9. Parnell • BOS 217
10. Pierce • CHW 216

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. Sain • NYY 1.867
2. Pierce • CHW 1.824
3. Garcia • CLE 1.654
4. Kellner • PHA 1.588
5. Lopat • NYY 1.563
6. Hoeft • DET 1.552
7. Masterson • WSH 1.532
8. Gray • DET 1.513
9. Trucks • 2TM 1.505
10. Larsen • SLB 1.500

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. Kellner • PHA 0.357
2. McDermott • BOS 0.393
3. Lemon • CLE 0.502
4. Larsen • SLB 0.514
5. Raschi • NYY 0.547
6. Parnell • BOS 0.560
7. Ford • NYY 0.565
8. Garcia • CLE 0.596
9. Shea • WSH 0.601
10. Trucks • 2TM 0.613

Losses

Losses

1. Byrd • PHA 20
2. Gray • DET 15
Lemon • CLE 15
4. Bishop • PHA 14
Hoeft • DET 14
6. Pillette • SLB 13
Brecheen • SLB 13
Houtteman • 2TM 13
9. Fricano • PHA 12
Pierce • CHW 12
Wynn • CLE 12
Kellner • PHA 12
Larsen • SLB 12
Littlefield • SLB 12
Martin • PHA 12
Masterson • WSH 12
Rogovin • CHW 12

Earned Runs

Earned Runs Allowed

1. Byrd • PHA 145
2. Wynn • CLE 110
3. Lemon • CLE 107
4. Hoeft • DET 106
5. Bishop • PHA 101
6. Garcia • CLE 98
Garver • DET 98
8. Porterfield • WSH 95
9. Fricano • PHA 91
Houtteman • 2TM 91

Wild Pitches

Wild Pitches

1. Kellner • PHA 10
2. Lemon • CLE 9
3. Blyzka • SLB 7
Brown • BOS 7
Trucks • 2TM 7
Martin • PHA 7
Parnell • BOS 7
Fanovich • PHA 7
9. Byrd • PHA 6
Herbert • DET 6

Hit By Pitch

Times Hit by a Pitch.

1. Byrd • PHA 14
2. Lemon • CLE 11
3. Houtteman • 2TM 9
Gromek • 2TM 9
5. Martin • PHA 8
6. Trucks • 2TM 7
Scarborough • 2TM 7
Gray • DET 7
Scheib • PHA 7
10. Gorman • NYY 6
Fricano • PHA 6
Fanovich • PHA 6
Dorish • CHW 6

Batters Faced

Batters Faced

1. Lemon • CLE 1,216
2. Garcia • CLE 1,133
3. Pierce • CHW 1,113
4. Trucks • 2TM 1,101
5. Byrd • PHA 1,090
6. Wynn • CLE 1,077
7. Parnell • BOS 1,037
8. Porterfield • WSH 1,036
9. Fricano • PHA 909
10. Ford • NYY 882

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. Kinder • BOS 51
2. Martin • PHA 41
3. Dorish • CHW 36
4. Paige • SLB 34
5. Stuart • SLB 30
6. Hooper • CLE 26
7. Reynolds • NYY 23
8. Herbert • DET 22
9. Dixon • WSH 20
10. Sain • NYY 19

Adjusted ERA+

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

1. Lopat • NYY 152
2. Pierce • CHW 147
3. Trucks • 2TM 139
4. McDermott • BOS 138
5. Parnell • BOS 136
6. Sain • NYY 123
7. Ford • NYY 123
8. Hudson • BOS 118
9. Porterfield • WSH 116
10. Garcia • CLE 115

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. Kellner • PHA 3.12
2. Pierce • CHW 3.34
3. Garcia • CLE 3.40
4. Larsen • SLB 3.40
5. Raschi • NYY 3.47
6. Trucks • 2TM 3.55
7. Sain • NYY 3.57
8. Lopat • NYY 3.59
9. Parnell • BOS 3.77
10. Wynn • CLE 3.80

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. Pierce • CHW 38
2. Trucks • 2TM 33
3. Parnell • BOS 26
4. Lopat • NYY 25
5. Kinder • BOS 24
6. McDermott • BOS 23
7. Porterfield • WSH 19
8. Garcia • CLE 17
9. Ford • NYY 17
10. Sain • NYY 17

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. Pierce • CHW 4.0
2. Trucks • 2TM 3.5
3. Lopat • NYY 2.7
Parnell • BOS 2.7
5. Kinder • BOS 2.5
6. McDermott • BOS 2.5
7. Porterfield • WSH 2.0
8. Consuegra • 2TM 1.8
Ford • NYY 1.8
10. Garcia • CLE 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. Pierce • CHW 44.16
2. Trucks • 2TM 38.07
3. Lopat • NYY 29.06
4. Garcia • CLE 29.05
5. McDermott • BOS 26.26
6. Porterfield • WSH 25.32
7. Sain • NYY 23.38
8. Lemon • CLE 23.23
9. Ford • NYY 23.10
10. Parnell • BOS 20.39

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. Pierce • CHW 5.5
2. Kinder • BOS 3.7
3. Garcia • CLE 3.5
4. McDermott • BOS 3.3
5. Porterfield • WSH 3.1
6. Trucks • 2TM 3.1
7. Sain • NYY 2.6
8. Consuegra • 2TM 2.5
9. Lopat • NYY 2.5
10. Parnell • BOS 2.4

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. Pierce • CHW 4.7
2. Raschi • NYY 3.0
3. Garcia • CLE 2.8
4. Porterfield • WSH 2.8
5. Trucks • 2TM 2.5
6. Lemon • CLE 2.4
7. Lopat • NYY 2.4
8. McDermott • BOS 2.3
9. Ford • NYY 2.2
10. Keegan • CHW 2.0

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. Pierce • CHW 9.2
2. Ford • NYY 5.9
3. Trucks • 2TM 5.8
4. Garcia • CLE 5.2
5. Lopat • NYY 4.5
6. Raschi • NYY 4.2
7. Sain • NYY 3.9
8. Gorman • NYY 3.3
9. Lemon • CLE 2.8
10. Dorish • CHW 2.6

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. Pierce • CHW 4.7
2. Trucks • 2TM 4.0
3. Lopat • NYY 3.3
4. Garcia • CLE 3.2
5. McDermott • BOS 2.7
6. Porterfield • WSH 2.7
7. Sain • NYY 2.5
8. Ford • NYY 2.5
9. Lemon • CLE 2.5
10. Raschi • NYY 2.1

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