Calvin Maduro played 5 seasons for the Orioles and Phillies. He had 10 wins, 19 losses, an ERA of 5.78 and 140 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 |  | C. Maduro | 1996 |  PHI | 4 | 0 | 1 | .000 | 2 | 3.52 | 11 | 0 | 0 | 0 | 15.1 | 13 | 6 | 6 | 1 | 3 | 2 | 0 | 0 | 62 | 1 | 6.46 | 1.76 | 3.67 | 0.59 | 17.7 | 4.8 | 1.04 | .267 | 3.52 | 83 | 3.55 | 83 | 7.63 | 1.3 |
| 2 | | C. Maduro | 1997 | PHI | 15 | 3 | 7 | .300 | 13 | 7.23 | 31 | 0 | 0 | 0 | 71.0 | 83 | 57 | 59 | 12 | 41 | 3 | 0 | 5 | 331 | 6 | 3.93 | 5.20 | 0.76 | 1.52 | 9.4 | 12.4 | 1.75 | .291 | 7.48 | 169 | 6.28 | 148 | 10.52 | -16.2 |
| 3 | | C. Maduro | 2000 |  BAL | 15 | 0 | 0 | 2 | 9.64 | 18 | 0 | 0 | 0 | 23.1 | 29 | 25 | 25 | 8 | 16 | 2 | 6 | 1 | 113 | 1 | 6.94 | 6.17 | 1.13 | 3.09 | 15.9 | 14.2 | 1.93 | .304 | 9.64 | 205 | 8.35 | 173 | 11.19 | -9.2 | |
| 4 | | C. Maduro | 2001 | BAL | 22 | 5 | 6 | .455 | 12 | 4.23 | 51 | 0 | 0 | 0 | 93.2 | 83 | 44 | 44 | 10 | 36 | 4 | 3 | 0 | 386 | 1 | 4.90 | 3.46 | 1.42 | 0.96 | 13.2 | 9.3 | 1.27 | .256 | 4.23 | 98 | 4.62 | 103 | 7.98 | -1.5 |
| 5 | | C. Maduro | 2002 | BAL | 12 | 2 | 5 | .286 | 10 | 5.56 | 29 | 0 | 0 | 0 | 56.2 | 64 | 35 | 37 | 12 | 22 | 1 | 2 | 1 | 253 | 1 | 4.61 | 3.49 | 1.32 | 1.91 | 11.5 | 8.7 | 1.52 | .275 | 5.88 | 129 | 5.90 | 134 | 10.16 | -9.3 |
| Total | 68 | 10 | 19 | .345 | 39 | 5.78 | 140 | 0 | 0 | 0 | 260.0 | 272 | 167 | 171 | 43 | 118 | 12 | 11 | 7 | 1,145 | 10 | 4.85 | 4.08 | 1.19 | 1.49 | 12.2 | 10.3 | 1.50 | .275 | 5.92 | 133 | 5.63 | 127 | 9.42 | -34.9 |
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