14 pitchers were tied for the best ERA when pitching in 10+ games versus the Pirates, with an ERA of 0.00. The first three are Scott Effross, Chris Martin and Richard Bleier.
| NAME | ERA | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | S. Effross | 0.00 | 11 | 1 | 1 | .500 | 0 | 13 | 0 | 0 | 1 | 11.2 | 6 | 0 | 1 | 0 | 4 | 0 | 6 | 1 | 43 | 0 | 10.03 | 3.09 | 3.25 | 0.00 | 30.2 | 9.3 | 0.86 | .231 | 0.77 | 4.63 |
| 2 | | C. Martin | 0.00 | 13 | 0 | 0 | 0 | 15 | 0 | 0 | 2 | 13.0 | 9 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 47 | 2 | 10.38 | 1.38 | 7.50 | 0.00 | 31.9 | 4.3 | 0.85 | .300 | 0.00 | 6.23 | |
| 3 | | R. Bleier | 0.00 | 11 | 1 | 0 | 1.000 | 0 | 5 | 0 | 0 | 0 | 10.2 | 6 | 0 | 1 | 0 | 2 | 0 | 4 | 1 | 37 | 0 | 4.22 | 1.69 | 2.50 | 0.00 | 13.5 | 5.4 | 0.75 | .200 | 0.84 | 5.06 |
| 4 | | S. Kelley | 0.00 | 11 | 1 | 0 | 1.000 | 0 | 16 | 0 | 0 | 0 | 11.2 | 6 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 41 | 0 | 12.34 | 0.77 | 16.00 | 0.00 | 39.0 | 2.4 | 0.60 | .250 | 0.00 | 4.63 |
| 5 | | J. Diaz | 0.00 | 22 | 1 | 0 | 1.000 | 0 | 20 | 0 | 0 | 0 | 20.1 | 13 | 0 | 0 | 0 | 6 | 0 | 3 | 0 | 74 | 1 | 8.85 | 2.66 | 3.33 | 0.00 | 27.0 | 8.1 | 0.93 | .271 | 0.00 | 5.75 |
| 6 | | J. Guerra | 0.00 | 10 | 1 | 0 | 1.000 | 0 | 8 | 0 | 0 | 3 | 13.0 | 3 | 0 | 0 | 0 | 2 | 0 | 6 | 1 | 43 | 1 | 5.54 | 1.38 | 4.00 | 0.00 | 18.6 | 4.7 | 0.38 | .091 | 0.00 | 2.08 |
| 7 | | D. Bard | 0.00 | 10 | 2 | 0 | 1.000 | 0 | 14 | 0 | 0 | 2 | 11.2 | 4 | 0 | 0 | 0 | 8 | 0 | 7 | 0 | 46 | 1 | 10.80 | 6.17 | 1.75 | 0.00 | 30.4 | 17.4 | 1.03 | .167 | 0.00 | 3.09 |
| 8 | | S. Casilla | 0.00 | 14 | 0 | 0 | 0 | 15 | 0 | 0 | 5 | 14.2 | 5 | 0 | 0 | 0 | 5 | 0 | 8 | 0 | 52 | 1 | 9.20 | 3.07 | 3.00 | 0.00 | 28.8 | 9.6 | 0.68 | .156 | 0.00 | 3.07 | |
| 9 | | J. Venters | 0.00 | 11 | 2 | 0 | 1.000 | 0 | 11 | 0 | 0 | 1 | 9.2 | 3 | 0 | 0 | 0 | 5 | 1 | 2 | 1 | 38 | 0 | 10.24 | 4.66 | 2.20 | 0.00 | 28.9 | 13.2 | 0.83 | .143 | 0.00 | 2.79 |
| 10 | | T.J. Mathews | 0.00 | 14 | 0 | 0 | 0 | 19 | 0 | 0 | 2 | 18.0 | 11 | 0 | 0 | 0 | 1 | 1 | 6 | 0 | 64 | 0 | 9.50 | 0.50 | 19.00 | 0.00 | 29.7 | 1.6 | 0.67 | .256 | 0.00 | 5.50 | |
| 11 | | L. Casian | 0.00 | 12 | 1 | 0 | 1.000 | 0 | 9 | 0 | 0 | 0 | 8.0 | 3 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 31 | 0 | 10.13 | 4.50 | 2.25 | 0.00 | 29.0 | 12.9 | 0.88 | .167 | 0.00 | 3.38 |
| 12 | | A. Mattern | 0.00 | 18 | 2 | 12 | .143 | 12 | 36 | 6 | 0 | 0 | 108.1 | 141 | 87 | 5 | 39 | 1 | 6 | 486 | 1 | 2.99 | 3.24 | 0.92 | 0.42 | 7.4 | 8.0 | 1.66 | .336 | 7.23 | 11.71 | ||
| 13 | | B. Raymond | 0.00 | 17 | 4 | 11 | .267 | 12 | 49 | 6 | 1 | 0 | 95.1 | 94 | 49 | 3 | 28 | 5 | 4 | 396 | 2 | 4.63 | 2.64 | 1.75 | 0.28 | 12.4 | 7.1 | 1.28 | .293 | 4.63 | 8.87 | ||
| 14 | | F. Beebe | 0.00 | 20 | 6 | 10 | .375 | 18 | 61 | 11 | 1 | 0 | 145.1 | 146 | 77 | 3 | 55 | 4 | 2 | 634 | 3 | 3.78 | 3.41 | 1.11 | 0.19 | 9.6 | 8.7 | 1.38 | .280 | 4.77 | 9.04 | ||
| 15 | | K. Cole | 0.14 | 11 | 5 | 1 | .833 | 7 | 27 | 4 | 0 | 0 | 62.1 | 56 | 18 | 0 | 23 | 3 | 3 | 253 | 1 | 3.90 | 3.32 | 1.17 | 0.00 | 10.7 | 9.1 | 1.27 | .280 | 2.60 | 8.09 | ||
| 16 | | H. McIntire | 0.17 | 24 | 10 | 11 | .476 | 19 | 55 | 12 | 2 | 2 | 157.2 | 132 | 66 | 4 | 48 | 3 | 4 | 1 | 3.14 | 2.74 | 1.15 | 0.23 | 7.5 | 1.14 | .243 | 3.77 | 7.53 | ||||
| 17 | | H. Wiltse | 0.30 | 31 | 13 | 7 | .650 | 23 | 71 | 13 | 2 | 1 | 212.2 | 202 | 80 | 9 | 39 | 2 | 6 | 862 | 1 | 3.00 | 1.65 | 1.82 | 0.38 | 8.2 | 4.5 | 1.13 | .260 | 3.39 | 8.55 | ||
| 18 | | B. Dawley | 0.35 | 16 | 6 | 0 | 1.000 | 0 | 14 | 0 | 0 | 2 | 25.2 | 13 | 1 | 2 | 0 | 11 | 0 | 7 | 3 | 97 | 1 | 4.91 | 3.86 | 1.27 | 0.00 | 14.4 | 11.3 | 0.94 | .181 | 0.70 | 4.56 |
| 19 | | H. Gaspar | 0.43 | 19 | 4 | 9 | .308 | 13 | 18 | 5 | 1 | 2 | 105.0 | 101 | 41 | 3 | 25 | 6 | 6 | 431 | 0 | 1.54 | 2.14 | 0.72 | 0.26 | 4.2 | 5.8 | 1.20 | .259 | 3.51 | 8.66 | ||
| 20 | | T.J. McFarland | 0.46 | 13 | 2 | 0 | 1.000 | 0 | 13 | 0 | 0 | 1 | 19.2 | 11 | 1 | 1 | 0 | 5 | 0 | 4 | 1 | 70 | 0 | 5.95 | 2.29 | 2.60 | 0.00 | 18.6 | 7.1 | 0.81 | .212 | 0.46 | 5.03 |
| 21 | | J. Adam | 0.47 | 20 | 3 | 0 | 1.000 | 0 | 29 | 0 | 0 | 2 | 19.1 | 18 | 1 | 5 | 1 | 9 | 3 | 8 | 0 | 90 | 0 | 13.50 | 4.19 | 3.22 | 0.47 | 32.2 | 10.0 | 1.40 | .354 | 2.33 | 8.38 |
| 22 | | D. Pomeranz | 0.49 | 11 | 1 | 1 | .500 | 2 | 23 | 0 | 0 | 0 | 18.1 | 9 | 1 | 3 | 1 | 7 | 0 | 3 | 0 | 69 | 0 | 11.29 | 3.44 | 3.29 | 0.49 | 33.3 | 10.1 | 0.87 | .211 | 1.47 | 4.42 |
| 23 | | T. Megill | 0.51 | 18 | 2 | 0 | 1.000 | 0 | 21 | 0 | 0 | 8 | 17.2 | 10 | 1 | 2 | 1 | 1 | 0 | 10 | 0 | 64 | 2 | 10.70 | 0.51 | 21.00 | 0.51 | 32.8 | 1.6 | 0.62 | .220 | 1.02 | 5.09 |
| 24 | | G. McQuillan | 0.51 | 24 | 7 | 7 | .500 | 13 | 46 | 10 | 3 | 3 | 140.2 | 115 | 44 | 4 | 28 | 1 | 9 | 545 | 5 | 2.94 | 1.79 | 1.64 | 0.26 | 8.4 | 5.1 | 1.02 | .238 | 2.82 | 7.36 | ||
| 25 | | C. Cordero | 0.52 | 16 | 1 | 1 | .500 | 0 | 17 | 0 | 0 | 9 | 17.1 | 9 | 1 | 1 | 1 | 3 | 0 | 14 | 1 | 63 | 1 | 8.83 | 1.56 | 5.67 | 0.52 | 27.0 | 4.8 | 0.69 | .190 | 0.52 | 4.67 |
StatMuse has game-level data for games pitched going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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