
Jack Coombs has the best ERA for the Philadelphia Athletics in a season, with an ERA of 1.30 in 1910.
Interpreted as:
a's single season era with a minimum of 0.5 IP per team game leaders| NAME | ERA | SEASON | TM | G | W | L | W% | GS | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | J. Coombs | 1.30 | 1910 | 45 | 31 | 9 | .775 | 38 | 224 | 35 | 13 | 1 | 353.0 | 248 | 51 | 74 | 0 | 115 | 7 | 6 | 1,353 | 10 | 5.71 | 2.93 | 1.95 | 0.00 | 16.6 | 8.5 | 1.03 | .246 | 1.89 | 53 | 2.09 | 83 | 6.32 | 15.8 | |||
| 2 | H. Krause | 1.39 | 1909 | 32 | 18 | 8 | .692 | 21 | 139 | 16 | 7 | 0 | 213.0 | 151 | 33 | 49 | 2 | 49 | 13 | 8 | 801 | 2 | 5.87 | 2.07 | 2.84 | 0.08 | 17.4 | 6.1 | 0.94 | .249 | 2.07 | 58 | 1.91 | 82 | 6.38 | 9.5 | |||
| 3 | R. Waddell | 1.48 | 1905 | 46 | 27 | 10 | .730 | 34 | 287 | 27 | 7 | 0 | 328.2 | 231 | 54 | 86 | 5 | 90 | 10 | 11 | 1,257 | 10 | 7.86 | 2.46 | 3.19 | 0.14 | 22.8 | 7.2 | 0.98 | .261 | 2.35 | 55 | 1.89 | 69 | 6.33 | 31.2 | |||
| 4 | C. Morgan | 1.55 | 1910 | 36 | 18 | 12 | .600 | 34 | 134 | 23 | 3 | 0 | 290.2 | 214 | 50 | 92 | 0 | 117 | 18 | 1 | 1,125 | 14 | 4.15 | 3.62 | 1.15 | 0.00 | 11.9 | 10.4 | 1.14 | .250 | 2.85 | 63 | 2.79 | 111 | 6.63 | -10.4 | |||
| 5 | C. Bender | 1.58 | 1910 | 30 | 23 | 5 | .821 | 28 | 155 | 25 | 3 | 0 | 250.0 | 182 | 44 | 63 | 1 | 47 | 10 | 2 | 936 | 7 | 5.58 | 1.69 | 3.30 | 0.04 | 16.6 | 5.0 | 0.92 | .250 | 2.27 | 65 | 1.82 | 72 | 6.55 | 19 | |||
| 6 | R. Waddell | 1.62 | 1904 | 46 | 25 | 19 | .568 | 46 | 349 | 39 | 8 | 0 | 383.0 | 307 | 69 | 109 | 5 | 91 | 14 | 0 | 1,496 | 8 | 8.20 | 2.14 | 3.84 | 0.12 | 23.3 | 6.1 | 1.04 | .291 | 2.56 | 61 | 1.59 | 62 | 7.21 | 41.5 | |||
| 7 | C. Morgan | 1.65 | 1909 | 28 | 16 | 11 | .593 | 26 | 81 | 21 | 5 | 0 | 228.2 | 152 | 42 | 56 | 3 | 71 | 16 | 1 | 882 | 6 | 3.19 | 2.79 | 1.14 | 0.12 | 9.2 | 8.0 | 0.98 | .210 | 2.20 | 69 | 2.82 | 121 | 5.98 | -13.7 | |||
| 8 | C. Bender | 1.66 | 1909 | 34 | 18 | 8 | .692 | 29 | 161 | 24 | 5 | 1 | 250.0 | 196 | 46 | 68 | 1 | 45 | 5 | 5 | 968 | 5 | 5.80 | 1.62 | 3.58 | 0.04 | 16.6 | 4.6 | 0.96 | .258 | 2.45 | 69 | 1.58 | 68 | 7.06 | 20.5 | |||
| 9 | C. Bender | 1.75 | 1908 | 18 | 8 | 9 | .471 | 17 | 85 | 14 | 2 | 1 | 138.2 | 121 | 27 | 48 | 1 | 21 | 3 | 1 | 537 | 2 | 5.52 | 1.36 | 4.05 | 0.06 | 15.8 | 3.9 | 1.02 | .281 | 3.12 | 72 | 1.49 | 65 | 7.85 | 12.3 | |||
| 10 | E. Plank | 1.76 | 1909 | 34 | 19 | 10 | .655 | 33 | 132 | 24 | 3 | 0 | 265.1 | 215 | 52 | 74 | 1 | 62 | 8 | 0 | 1,028 | 4 | 4.48 | 2.10 | 2.13 | 0.03 | 12.8 | 6.0 | 1.04 | .259 | 2.51 | 74 | 2.06 | 89 | 7.29 | 7.1 | |||
| 11 | R. Bressler | 1.77 | 1914 | 29 | 10 | 4 | .714 | 10 | 96 | 8 | 1 | 2 | 147.2 | 112 | 29 | 37 | 1 | 56 | 4 | 15 | 569 | 3 | 5.85 | 3.41 | 1.71 | 0.06 | 16.9 | 9.8 | 1.14 | .269 | 2.26 | 65 | 2.44 | 87 | 6.83 | 5.8 | |||
| 12 | L. Hendriks | 1.80 | 2019 | 75 | 4 | 4 | .500 | 2 | 124 | 0 | 0 | 25 | 85.0 | 61 | 17 | 18 | 5 | 21 | 2 | 41 | 5 | 332 | 7 | 13.13 | 2.22 | 5.90 | 0.53 | 37.3 | 6.3 | 0.96 | .311 | 1.91 | 41 | 1.86 | 42 | 6.46 | 25.1 | ||
| 13 | V. Blue | 1.82 | 1971 | 39 | 24 | 8 | .750 | 39 | 301 | 24 | 8 | 0 | 312.0 | 209 | 63 | 73 | 19 | 88 | 4 | 0 | 3 | 1,207 | 10 | 8.68 | 2.54 | 3.42 | 0.55 | 24.9 | 7.3 | 0.95 | .239 | 2.11 | 56 | 2.19 | 66 | 6.03 | 41.4 | ||
| 14 | M. Grant | 1.82 | 1970 | 72 | 6 | 2 | .750 | 0 | 54 | 0 | 0 | 24 | 123.1 | 104 | 25 | 26 | 8 | 30 | 3 | 49 | 8 | 485 | 1 | 3.94 | 2.19 | 1.80 | 0.58 | 11.1 | 6.2 | 1.09 | .246 | 1.90 | 51 | 3.40 | 90 | 7.59 | 4.9 | ||
| 15 | A. Coakley | 1.84 | 1905 | 35 | 18 | 8 | .692 | 31 | 145 | 21 | 3 | 0 | 255.0 | 227 | 52 | 93 | 2 | 73 | 6 | 3 | 1,024 | 3 | 5.12 | 2.58 | 1.99 | 0.07 | 14.2 | 7.1 | 1.18 | .282 | 3.28 | 69 | 2.42 | 88 | 8.01 | 9.4 | |||
| 16 | A. Bailey | 1.84 | 2009 | 68 | 6 | 3 | .667 | 0 | 91 | 0 | 0 | 26 | 83.1 | 49 | 17 | 17 | 5 | 24 | 0 | 54 | 3 | 323 | 6 | 9.83 | 2.59 | 3.79 | 0.54 | 28.2 | 7.4 | 0.88 | .217 | 1.84 | 43 | 2.55 | 59 | 5.29 | 16.7 | ||
| 17 | R. Fingers | 1.92 | 1973 | 62 | 7 | 8 | .467 | 2 | 110 | 0 | 0 | 22 | 126.2 | 107 | 27 | 41 | 5 | 39 | 4 | 49 | 6 | 521 | 2 | 7.82 | 2.77 | 2.82 | 0.36 | 21.1 | 7.5 | 1.15 | .281 | 2.91 | 53 | 2.35 | 66 | 7.60 | 17.8 | ||
| 18 | W. Stock | 1.94 | 1964 | 50 | 6 | 3 | .667 | 0 | 101 | 0 | 0 | 5 | 93.0 | 69 | 20 | 21 | 10 | 34 | 4 | 18 | 7 | 371 | 3 | 9.77 | 3.29 | 2.97 | 0.97 | 27.2 | 9.2 | 1.11 | .266 | 2.03 | 52 | 3.06 | 79 | 6.68 | 8.4 | ||
| 19 | J. Berry | 1.94 | 1944 | 53 | 10 | 8 | .556 | 0 | 44 | 0 | 0 | 12 | 111.1 | 78 | 24 | 32 | 4 | 23 | 2 | 47 | 445 | 1 | 3.56 | 1.86 | 1.91 | 0.32 | 9.9 | 5.2 | 0.91 | .199 | 2.59 | 56 | 2.89 | 84 | 6.31 | 7 | |||
| 20 | S. Perry | 1.98 | 1918 | 44 | 20 | 19 | .513 | 36 | 81 | 30 | 3 | 2 | 332.1 | 295 | 73 | 97 | 1 | 111 | 2 | 7 | 1,342 | 4 | 2.19 | 3.01 | 0.73 | 0.03 | 6.0 | 8.3 | 1.22 | .256 | 2.63 | 70 | 2.80 | 97 | 7.99 | 4 | |||
| 21 | J. Aker | 1.99 | 1966 | 66 | 8 | 4 | .667 | 0 | 68 | 0 | 0 | 32 | 113.0 | 81 | 25 | 27 | 6 | 28 | 3 | 57 | 10 | 442 | 0 | 5.42 | 2.23 | 2.43 | 0.48 | 15.4 | 6.3 | 0.96 | .223 | 2.15 | 57 | 2.86 | 79 | 6.45 | 9.5 | ||
| 22 | J. Coombs | 2.00 | 1908 | 26 | 7 | 5 | .583 | 18 | 80 | 10 | 4 | 0 | 153.0 | 130 | 34 | 63 | 1 | 64 | 3 | 6 | 624 | 5 | 4.71 | 3.76 | 1.25 | 0.06 | 12.8 | 10.3 | 1.27 | .271 | 3.71 | 82 | 2.45 | 107 | 7.65 | -2.5 | |||
| 23 | E. Plank | 2.01 | 1910 | 38 | 16 | 10 | .615 | 32 | 123 | 22 | 1 | 2 | 250.1 | 218 | 56 | 89 | 3 | 55 | 8 | 5 | 982 | 5 | 4.42 | 1.98 | 2.24 | 0.11 | 12.5 | 5.6 | 1.09 | .271 | 3.20 | 82 | 2.25 | 90 | 7.84 | 6.6 | |||
| 24 | C. Hunter | 2.04 | 1972 | 38 | 21 | 7 | .750 | 37 | 191 | 16 | 5 | 0 | 295.1 | 200 | 67 | 74 | 21 | 70 | 3 | 1 | 6 | 1,148 | 3 | 5.82 | 2.13 | 2.73 | 0.64 | 16.6 | 6.1 | 0.91 | .207 | 2.26 | 70 | 2.77 | 91 | 6.09 | 8.5 | ||
| 25 | C. Bender | 2.05 | 1907 | 33 | 16 | 8 | .667 | 24 | 112 | 20 | 4 | 3 | 219.1 | 185 | 50 | 67 | 1 | 34 | 3 | 8 | 838 | 5 | 4.60 | 1.40 | 3.29 | 0.04 | 13.4 | 4.1 | 1.00 | .267 | 2.75 | 79 | 1.72 | 71 | 7.59 | 17.3 | |||
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
88 | 61 | .591 | ||
82 | 67 | .550 | 6.0 | |
73 | 76 | .490 | 15.0 | |
69 | 79 | .466 | 18.5 | |
69 | 81 | .460 | 19.5 | |
| NL Central | W | L | PCT | GB |
93 | 56 | .624 | ||
83 | 66 | .557 | 10.0 | |
74 | 75 | .497 | 19.0 | |
73 | 76 | .490 | 20.0 | |
69 | 79 | .466 | 23.5 | |
| NL West | W | L | PCT | GB |
90 | 58 | .608 | ||
80 | 68 | .541 | 10.0 | |
79 | 70 | .530 | 11.5 | |
62 | 87 | .416 | 28.5 | |
55 | 93 | .372 | 35.0 |
| AL East | W | L | PCT | GB |
|---|---|---|---|---|
89 | 59 | .601 | ||
85 | 63 | .574 | 4.0 | |
81 | 68 | .544 | 8.5 | |
74 | 75 | .497 | 15.5 | |
72 | 77 | .483 | 17.5 | |
| AL Central | W | L | PCT | GB |
76 | 72 | .514 | ||
75 | 74 | .503 | 1.5 | |
70 | 78 | .473 | 6.0 | |
69 | 79 | .466 | 7.0 | |
66 | 83 | .443 | 10.5 | |
| AL West | W | L | PCT | GB |
75 | 74 | .503 | ||
73 | 76 | .490 | 2.0 | |
70 | 79 | .470 | 5.0 | |
60 | 89 | .403 | 15.0 | |
56 | 92 | .378 | 18.5 |