Dave Williams played 6 seasons for the Pirates, Mets and Reds. He had 22 wins, 31 losses, an ERA of 4.83 and 245 strikeouts.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | 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 |  | D. Williams | 2001 |  PIT | 22 | 3 | 7 | .300 | 18 | 3.71 | 57 | 0 | 0 | 0 | 114.0 | 100 | 47 | 53 | 15 | 45 | 7 | 1 | 4 | 472 | 0 | 4.50 | 3.55 | 1.27 | 1.18 | 12.1 | 9.5 | 1.27 | .244 | 4.18 | 85 | 5.12 | 118 | 7.89 | -9.9 |
| 2 | | D. Williams | 2002 | PIT | 9 | 2 | 5 | .286 | 9 | 4.98 | 33 | 0 | 0 | 0 | 43.1 | 38 | 24 | 26 | 9 | 24 | 4 | 0 | 2 | 195 | 2 | 6.85 | 4.98 | 1.38 | 1.87 | 16.9 | 12.3 | 1.43 | .232 | 5.40 | 121 | 6.07 | 146 | 7.89 | -9.4 |
| 3 | | D. Williams | 2004 | PIT | 10 | 2 | 3 | .400 | 6 | 4.42 | 33 | 0 | 0 | 0 | 38.2 | 31 | 19 | 21 | 4 | 13 | 3 | 0 | 2 | 162 | 0 | 7.68 | 3.03 | 2.54 | 0.93 | 20.4 | 8.0 | 1.14 | .248 | 4.89 | 103 | 3.92 | 90 | 7.22 | 1.9 |
| 4 | | D. Williams | 2005 | PIT | 25 | 10 | 11 | .476 | 25 | 4.41 | 88 | 1 | 1 | 0 | 138.2 | 137 | 68 | 74 | 20 | 58 | 8 | 0 | 5 | 600 | 3 | 5.71 | 3.76 | 1.52 | 1.30 | 14.7 | 9.7 | 1.41 | .275 | 4.80 | 106 | 5.04 | 121 | 8.89 | -14 |
| 5 |  | D. Williams | 2006 | TOT | 14 | 5 | 4 | .556 | 13 | 6.52 | 32 | 0 | 0 | 0 | 69.0 | 93 | 50 | 52 | 14 | 20 | 6 | 1 | 1 | 320 | 2 | 4.17 | 2.61 | 1.60 | 1.83 | 10.0 | 6.3 | 1.64 | .319 | 6.78 | 145 | 5.98 | 130 | 12.13 | -10.4 |
| 6 |  | D. Williams | 2007 |  NYM | 2 | 0 | 1 | .000 | 1 | 22.85 | 2 | 0 | 0 | 0 | 4.1 | 12 | 11 | 11 | 2 | 5 | 0 | 1 | 1 | 29 | 1 | 4.15 | 10.38 | 0.40 | 4.15 | 6.9 | 17.2 | 3.92 | .500 | 22.85 | 532 | 11.77 | 265 | 24.92 | -3.6 |
| Total | 82 | 22 | 31 | .415 | 72 | 4.83 | 245 | 1 | 1 | 0 | 408.0 | 411 | 219 | 237 | 64 | 165 | 28 | 3 | 15 | 1,778 | 8 | 5.40 | 3.64 | 1.48 | 1.41 | 13.8 | 9.3 | 1.41 | .272 | 5.23 | 113 | 5.30 | 123 | 9.07 | -45.3 |
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