Philadelphia Athletics Pitching Leaders - Baseball-Reference.com

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Pitching Leaders
Click on the Player for career stats and accomplishments.
Click on the Year for the team's season summary.
75 decisions and 500 innings pitched required for career rate statistics.

Single-Season Leaders Career Leaders

ERA
Rank Player    ERA    Year

1. Ed Seward 2.01 1888

2. Gus Weyhing 2.25 1888

3. Bobby Mathews 2.43 1885

4. Bobby Mathews 2.46 1883

5. Billy Taylor 2.53 1884

6. Sam Weaver 2.74 1882

7. Bill Sweeney 2.91 1882

8. Gus Weyhing 2.95 1889

9. Cyclone Miller 2.97 1886

10. George Bradley 3.15 1883

ERA
Rank Player    ERA    IP

1. Bobby Mathews 3.06 1489.7

2. Gus Weyhing 3.19 1769.3

3. Sadie McMahon 3.41 652.0

Ed Seward 3.41 1463.3

5. Al Atkinson 4.36 705.3

Wins
Rank Player    W    Year

1. Ed Seward 35 1888

2. Gus Weyhing 31 1891

3. Bobby Mathews 30 1883

Bobby Mathews 30 1884

Bobby Mathews 30 1885

Gus Weyhing 30 1889

7. Sadie McMahon 29 1890

8. Gus Weyhing 28 1888

9. Sam Weaver 26 1882

Gus Weyhing 26 1887

Wins
Rank Player    W    IP

1. Gus Weyhing 115 1769.3

2. Bobby Mathews 106 1489.7

3. Ed Seward 87 1463.3

4. Sadie McMahon 43 652.0

5. Al Atkinson 42 705.3

6. Ben Sanders 30 491.7

7. Sam Weaver 26 382.0

8. Elton Chamberlain 22 405.7

Phil Knell 22 286.7

10. Billy Taylor 20 321.3

Won-Loss %
Rank Player    wlp    Year

1. Bobby Mathews .698 1883

2. George Bradley .696 1883

3. Ben Sanders .688 1891

4. Phil Knell .667 1890

5. Ed Seward .648 1888

6. Bobby Mathews .638 1885

7. Sam Weaver .634 1882

8. Bobby Mathews .625 1884

9. Sadie McMahon .617 1890

10. Gus Weyhing .609 1888

Won-Loss %
Rank Player    wlp    IP

1. Bobby Mathews .635 1489.7

2. Gus Weyhing .569 1769.3

3. Ed Seward .551 1463.3

4. Al Atkinson .538 705.3

BB + H per IP (WHIP)
Rank Player    WHperIP    Year

1. Ed Seward 0.993 1888

2. Bobby Mathews 1.045 1884

3. Gus Weyhing 1.052 1888

4. Billy Taylor 1.062 1884

5. Bobby Mathews 1.068 1885

6. Sam Weaver 1.102 1882

7. George Bradley 1.106 1883

8. Bobby Mathews 1.121 1883

9. Al Atkinson 1.125 1884

10. Ed Seward 1.243 1887

BB + H per IP (WHIP)
Rank Player    WHperIP    IP

1. Bobby Mathews 1.146 1489.7

2. Ed Seward 1.224 1463.3

3. Gus Weyhing 1.266 1769.3

4. Al Atkinson 1.321 705.3

5. Sadie McMahon 1.348 652.0

Hits Allowed/9IP
Rank Player    Hper9IP    Year

1. Ed Seward 6.73 1888

2. Gus Weyhing 7.00 1888

3. Gus Weyhing 7.66 1889

4. Billy Taylor 8.03 1884

5. Bobby Mathews 8.38 1884

6. Cyclone Miller 8.38 1886

7. Bobby Mathews 8.40 1885

8. Ed Seward 8.51 1887

9. Sadie McMahon 8.55 1889

10. Gus Weyhing 8.56 1891

Hits Allowed/9IP
Rank Player    Hper9IP    IP

1. Gus Weyhing 8.08 1769.3

2. Ed Seward 8.31 1463.3

3. Sadie McMahon 8.89 652.0

4. Bobby Mathews 9.01 1489.7

5. Al Atkinson 9.65 705.3

Bases on Balls/9IP
Rank Player    BBper9IP    Year

1. Bobby Mathews 0.73 1883

2. Sam Weaver 0.85 1882

3. George Bradley 0.92 1883

4. Bobby Mathews 1.02 1884

5. Al Atkinson 1.03 1884

6. Bobby Mathews 1.21 1885

7. Billy Taylor 1.52 1884

8. Ben Sanders 1.79 1890

9. Ed Seward 2.20 1888

10. Bill Sweeney 2.22 1882

Bases on Balls/9IP
Rank Player    BBper9IP    IP

1. Bobby Mathews 1.30 1489.7

2. Al Atkinson 2.25 705.3

3. Ed Seward 2.71 1463.3

4. Sadie McMahon 3.24 652.0

5. Gus Weyhing 3.31 1769.3

Strikeouts/9IP
Rank Player    SOper9IP    Year

1. Bobby Mathews 6.09 1885

2. Bobby Mathews 5.98 1884

3. Cyclone Miller 5.25 1886

4. Sadie McMahon 4.94 1890

5. Bobby Mathews 4.80 1883

6. Ed Seward 4.72 1888

7. Al Atkinson 4.55 1884

8. Gus Weyhing 4.54 1888

9. Elton Chamberlain 4.53 1891

10. Billy Taylor 4.50 1884

Strikeouts/9IP
Rank Player    SOper9IP    IP

1. Bobby Mathews 5.30 1489.7

2. Sadie McMahon 4.72 652.0

3. Gus Weyhing 4.22 1769.3

4. Ed Seward 3.59 1463.3

5. Al Atkinson 3.59 705.3

Games
Rank Player    G_p    Year

1. Ed Seward 57 1888

2. Ed Seward 55 1887

Gus Weyhing 55 1887

4. Gus Weyhing 54 1889

5. Gus Weyhing 52 1891

6. Elton Chamberlain 49 1891

Bobby Mathews 49 1884

8. Bobby Mathews 48 1885

Sadie McMahon 48 1890

10. Gus Weyhing 47 1888

Games
Rank Player    G_p    IP

1. Gus Weyhing 208 1769.3

2. Bobby Mathews 172 1489.7

Ed Seward 172 1463.3

4. Al Atkinson 82 705.3

5. Sadie McMahon 76 652.0

6. Ben Sanders 62 491.7

7. Elton Chamberlain 49 405.7

8. Sam Weaver 44 382.0

9. Billy Taylor 37 321.3

10. Charlie Buffinton 36 283.3

Saves
Rank Player    SV    Year

1. Lou Bierbauer 1 1887

Charlie Buffinton 1 1890

Ed Green 1 1890

Mike Mattimore 1 1889

Sadie McMahon 1 1890

Ben Sanders 1 1890

Saves
Rank Player    SV    IP

1. Lou Bierbauer 1 14.7

Charlie Buffinton 1 283.3

Ed Green 1 191.0

Mike Mattimore 1 252.0

Sadie McMahon 1 652.0

Ben Sanders 1 491.7

Innings
Rank Player    IP    Year

1. Ed Seward 518.7 1888

2. Ed Seward 470.7 1887

3. Gus Weyhing 466.3 1887

4. Gus Weyhing 450.0 1891

5. Gus Weyhing 449.0 1889

6. Bobby Mathews 430.7 1884

7. Bobby Mathews 422.3 1885

8. Sadie McMahon 410.0 1890

9. Elton Chamberlain 405.7 1891

10. Gus Weyhing 404.0 1888

Innings
Rank Player    IP    IP

1. Gus Weyhing 1769.3 1769.3

2. Bobby Mathews 1489.7 1489.7

3. Ed Seward 1463.3 1463.3

4. Al Atkinson 705.3 705.3

5. Sadie McMahon 652.0 652.0

6. Ben Sanders 491.7 491.7

7. Elton Chamberlain 405.7 405.7

8. Sam Weaver 382.0 382.0

9. Billy Taylor 321.3 321.3

10. Phil Knell 286.7 286.7

Strikeouts
Rank Player    SO_p    Year

1. Bobby Mathews 286 1884

Bobby Mathews 286 1885

3. Ed Seward 272 1888

4. Sadie McMahon 225 1890

5. Gus Weyhing 219 1891

6. Gus Weyhing 213 1889

7. Elton Chamberlain 204 1891

Gus Weyhing 204 1888

9. Bobby Mathews 203 1883

10. Gus Weyhing 193 1887

Strikeouts
Rank Player    SO_p    IP

1. Bobby Mathews 877 1489.7

2. Gus Weyhing 829 1769.3

3. Ed Seward 584 1463.3

4. Sadie McMahon 342 652.0

5. Al Atkinson 281 705.3

6. Elton Chamberlain 204 405.7

7. Ben Sanders 147 491.7

8. Billy Taylor 141 321.3

9. Sam Weaver 106 382.0

10. Phil Knell 99 286.7

Cyclone Miller 99 169.7

Games Started
Rank Player    GS    Year

1. Ed Seward 57 1888

2. Gus Weyhing 55 1887

3. Gus Weyhing 53 1889

4. Ed Seward 52 1887

5. Gus Weyhing 51 1891

6. Bobby Mathews 49 1884

7. Bobby Mathews 48 1885

8. Gus Weyhing 47 1888

9. Elton Chamberlain 46 1891

Sadie McMahon 46 1890

Games Started
Rank Player    GS    IP

1. Gus Weyhing 206 1769.3

2. Bobby Mathews 172 1489.7

3. Ed Seward 166 1463.3

4. Al Atkinson 82 705.3

5. Sadie McMahon 73 652.0

6. Ben Sanders 58 491.7

7. Elton Chamberlain 46 405.7

8. Sam Weaver 43 382.0

9. Billy Taylor 37 321.3

10. Charlie Buffinton 33 283.3

Comp. Games
Rank Player    CG    Year

1. Ed Seward 57 1888

2. Gus Weyhing 53 1887

3. Ed Seward 52 1887

4. Gus Weyhing 51 1891

5. Gus Weyhing 50 1889

6. Bobby Mathews 48 1884

7. Bobby Mathews 46 1885

8. Gus Weyhing 45 1888

9. Al Atkinson 44 1886

Elton Chamberlain 44 1891

Sadie McMahon 44 1890

Comp. Games
Rank Player    CG    IP

1. Gus Weyhing 199 1769.3

2. Bobby Mathews 164 1489.7

3. Ed Seward 159 1463.3

4. Al Atkinson 75 705.3

5. Sadie McMahon 71 652.0

6. Ben Sanders 52 491.7

7. Elton Chamberlain 44 405.7

8. Sam Weaver 42 382.0

9. Billy Taylor 37 321.3

10. Phil Knell 30 286.7

Shutouts
Rank Player    SHO    Year

1. Ed Seward 6 1888

2. Mike Mattimore 4 1888

Gus Weyhing 4 1889

4. Bobby Mathews 3 1884

Ed Seward 3 1887

Ed Seward 3 1889

Gus Weyhing 3 1888

Gus Weyhing 3 1891

9. Bill Hart 2 1886

Phil Knell 2 1890

Bobby Mathews 2 1885

Sadie McMahon 2 1889

Ben Sanders 2 1890

Bill Vinton 2 1885

Sam Weaver 2 1882

Gus Weyhing 2 1887

Shutouts
Rank Player    SHO    IP

1. Ed Seward 13 1463.3

2. Gus Weyhing 12 1769.3

3. Bobby Mathews 6 1489.7

4. Mike Mattimore 4 252.0

5. Al Atkinson 2 705.3

Bill Hart 2 212.0

Phil Knell 2 286.7

Sadie McMahon 2 652.0

Ben Sanders 2 491.7

Bill Vinton 2 55.0

Sam Weaver 2 382.0

Home Runs Allow.
Rank Player    HRA    Year

1. Gus Weyhing 15 1889

2. Ben Sanders 13 1890

3. Gus Weyhing 12 1887

Gus Weyhing 12 1891

5. Al Atkinson 11 1886

Bobby Mathews 11 1883

7. Elton Chamberlain 10 1891

Phil Knell 10 1890

Bobby Mathews 10 1884

10. Charlie Buffinton 8 1890

Ed Seward 8 1889

Home Runs Allow.
Rank Player    HRA    IP

1. Gus Weyhing 43 1769.3

2. Bobby Mathews 31 1489.7

3. Ed Seward 23 1463.3

4. Al Atkinson 16 705.3

Ben Sanders 16 491.7

6. Elton Chamberlain 10 405.7

Phil Knell 10 286.7

Sadie McMahon 10 652.0

9. Charlie Buffinton 8 283.3

Bill Hart 8 212.0

Bases On Balls Allow.
Rank Player    BB_p    Year

1. Gus Weyhing 212 1889

2. Elton Chamberlain 206 1891

3. Gus Weyhing 167 1887

4. Phil Knell 166 1890

5. Gus Weyhing 161 1891

6. Ed Seward 140 1887

7. Sadie McMahon 133 1890

8. Ed Seward 127 1888

9. Charlie Buffinton 126 1890

10. Gus Weyhing 111 1888

Bases On Balls Allow.
Rank Player    BB_p    IP

1. Gus Weyhing 651 1769.3

2. Ed Seward 440 1463.3

3. Sadie McMahon 235 652.0

4. Bobby Mathews 215 1489.7

5. Elton Chamberlain 206 405.7

6. Al Atkinson 176 705.3

7. Phil Knell 166 286.7

8. Charlie Buffinton 126 283.3

9. Ben Sanders 106 491.7

10. Ed Green 94 191.0

Hits Allowed
Rank Player    H_p    Year

1. Gus Weyhing 465 1887

2. Ed Seward 445 1887

3. Gus Weyhing 428 1891

4. Al Atkinson 414 1886

Sadie McMahon 414 1890

6. Ben Sanders 412 1890

7. Bobby Mathews 401 1884

8. Elton Chamberlain 397 1891

9. Bobby Mathews 396 1883

10. Bobby Mathews 394 1885

Hits Allowed
Rank Player    H_p    IP

1. Gus Weyhing 1589 1769.3

2. Bobby Mathews 1492 1489.7

3. Ed Seward 1351 1463.3

4. Al Atkinson 756 705.3

5. Sadie McMahon 644 652.0

6. Ben Sanders 569 491.7

7. Sam Weaver 404 382.0

8. Elton Chamberlain 397 405.7

9. Charlie Buffinton 312 283.3

10. Billy Taylor 310 321.3

SO to Walk
Rank Player    SOperBB    Year

1. Bobby Mathews 6.55 1883

2. Bobby Mathews 5.84 1884

3. Bobby Mathews 5.02 1885

4. Al Atkinson 4.43 1884

5. Sam Weaver 2.97 1882

6. Billy Taylor 2.95 1884

7. George Bradley 2.55 1883

8. Ed Seward 2.14 1888

9. Gus Weyhing 1.84 1888

10. Bobby Mathews 1.75 1886

SO to Walk
Rank Player    SOperBB    IP

1. Bobby Mathews 4.08 1489.7

2. Al Atkinson 1.60 705.3

3. Sadie McMahon 1.46 652.0

4. Ed Seward 1.33 1463.3

5. Gus Weyhing 1.27 1769.3

Losses
Rank Player    L    Year

1. Gus Weyhing 28 1887

2. Ed Seward 25 1887

3. Elton Chamberlain 23 1891

4. Gus Weyhing 21 1889

5. Gus Weyhing 20 1891

6. Ed Seward 19 1888

7. Bobby Mathews 18 1884

Sadie McMahon 18 1890

Ben Sanders 18 1890

Gus Weyhing 18 1888

Losses
Rank Player    L    IP

1. Gus Weyhing 87 1769.3

2. Ed Seward 71 1463.3

3. Bobby Mathews 61 1489.7

4. Al Atkinson 36 705.3

5. Sadie McMahon 30 652.0

6. Elton Chamberlain 23 405.7

Ben Sanders 23 491.7

8. Billy Taylor 17 321.3

Sam Weaver 17 382.0

10. Charlie Buffinton 15 283.3

Ed Green 15 191.0

Bill Hart 15 212.0

Ted Kennedy 15 172.7

Earned Runs Allow.
Rank Player    ER    Year

1. Gus Weyhing 221 1887

2. Ed Seward 216 1887

3. Elton Chamberlain 190 1891

4. Al Atkinson 174 1886

5. Bobby Mathews 159 1884

Gus Weyhing 159 1891

7. Sadie McMahon 152 1890

8. Gus Weyhing 147 1889

9. Ben Sanders 145 1890

10. Ed Seward 141 1889

Earned Runs Allow.
Rank Player    ER    IP

1. Gus Weyhing 628 1769.3

2. Ed Seward 554 1463.3

3. Bobby Mathews 507 1489.7

4. Al Atkinson 342 705.3

5. Sadie McMahon 247 652.0

6. Ben Sanders 206 491.7

7. Elton Chamberlain 190 405.7

8. Sam Weaver 131 382.0

9. Ed Green 123 191.0

10. Phil Knell 122 286.7

Wild Pitches
Rank Player    WP    Year

1. Gus Weyhing 37 1889

2. Cyclone Miller 34 1886

3. Bill Hart 30 1886

4. Gus Weyhing 25 1891

5. Al Atkinson 23 1886

6. Elton Chamberlain 22 1891

Phil Knell 22 1890

8. Bobby Mathews 20 1885

Bobby Mathews 20 1886

10. Tom Lovett 18 1885

Wild Pitches
Rank Player    WP    IP

1. Gus Weyhing 62 1769.3

2. Bobby Mathews 40 1489.7

3. Cyclone Miller 34 169.7

4. Bill Hart 30 212.0

5. Al Atkinson 23 705.3

6. Elton Chamberlain 22 405.7

Phil Knell 22 286.7

8. Ed Seward 20 1463.3

9. Tom Lovett 18 138.7

10. Ted Kennedy 17 172.7

Hit Batsmen
Rank Player    HBP    Year

1. Gus Weyhing 37 1887

2. Ed Seward 24 1887

3. Al Atkinson 22 1886

4. Bobby Mathews 20 1885

5. Phil Knell 16 1890

6. Bobby Mathews 13 1886

7. Bobby Mathews 12 1884

Billy Taylor 12 1884

9. Al Atkinson 10 1884

Ben Sanders 10 1890

Hit Batsmen
Rank Player    HBP    IP

1. Bobby Mathews 48 1489.7

2. Al Atkinson 38 705.3

3. Gus Weyhing 37 1769.3

4. Ed Seward 32 1463.3

5. Phil Knell 16 286.7

6. Billy Taylor 13 321.3

7. Ben Sanders 10 491.7

8. Ed Green 9 191.0

Ed Knouff 9 131.0

10. Bill Hart 8 212.0

Ted Kennedy 8 172.7

Batters Faced
Rank Player    BFP    Year

1. Sadie McMahon 2084 1890

2. Ed Seward 2075 1888

3. Gus Weyhing 2042 1887

4. Ed Seward 1990 1887

5. Gus Weyhing 1882 1889

6. Gus Weyhing 1824 1891

7. Bobby Mathews 1788 1884

8. Bobby Mathews 1766 1885

9. Elton Chamberlain 1760 1891

10. Al Atkinson 1743 1886

Batters Faced
Rank Player    BFP    IP

1. Gus Weyhing 7400 1769.3

2. Bobby Mathews 6396 1489.7

3. Ed Seward 6077 1463.3

4. Sadie McMahon 3181 652.0

5. Al Atkinson 3129 705.3

6. Ben Sanders 2096 491.7

7. Elton Chamberlain 1760 405.7

8. Billy Taylor 1365 321.3

9. Charlie Buffinton 1342 283.3

10. Phil Knell 1318 286.7

Games Finished
Rank Player    GF    Year

1. John Coleman 4 1885

Phil Knell 4 1890

Mike Mattimore 4 1889

4. George Bradley 3 1883

Charlie Buffinton 3 1890

Elton Chamberlain 3 1891

Bert Cunningham 3 1890

Ed Green 3 1890

Ben Sanders 3 1890

10. Al Atkinson 2 1887

Lou Bierbauer 2 1886

Will Calihan 2 1891

John Coleman 2 1886

Fred Corey 2 1883

Duke Esper 2 1890

Ed Knouff 2 1885

Mike Mattimore 2 1888

Sadie McMahon 2 1890

Ed Seward 2 1887

Ed Seward 2 1890

Cub Stricker 2 1882

Jim Whitney 2 1890

Games Finished
Rank Player    GF    IP

1. John Coleman 7 136.0

2. Mike Mattimore 6 252.0

3. Ed Seward 5 1463.3

4. Lou Bierbauer 4 14.7

Phil Knell 4 286.7

Ben Sanders 4 491.7

7. George Bradley 3 214.3

Charlie Buffinton 3 283.3

Elton Chamberlain 3 405.7

Bert Cunningham 3 108.7

Ed Green 3 191.0

Sadie McMahon 3 652.0

Cub Stricker 3 10.0

Adjusted ERA+
Rank Player    ERA+    Year

1. Ed Seward 149 1888

2. Bobby Mathews 142 1885

3. Bobby Mathews 141 1883

4. Billy Taylor 133 1884

5. Gus Weyhing 133 1888

6. Gus Weyhing 129 1889

7. Gus Weyhing 120 1891

8. Cyclone Miller 118 1886

9. Sadie McMahon 115 1890

10. Ben Sanders 113 1890

Adjusted ERA+
Rank Player    ERA+    IP

1. Gus Weyhing 118 1769.3

2. Bobby Mathews 113 1489.7

3. Sadie McMahon 112 652.0

4. Ed Seward 108 1463.3

5. Al Atkinson 83 705.3

Stats updated through September 3, 2008.

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