| Yr | Tm | W | L | WLP | G | GS | CG | IP | SHO | SV | ERA | H | BB | R | ER | HR | IBB | SO | HBP | BK | WP | BFP | WHIP | RAIP | SOBB | SOIP | | 1973 | HOU | 2 | 4 | .333 | 48 | 0 | 0 | 70.0 | 0 | 6 | 4.50 | 69 | 33 | 41 | 35 | 7 | 8 | 56 | 2 | 1 | 7 | 314 | 1.457 | 1.486 | 1.697 | .800 | | 1975 | HOU | 3 | 5 | .375 | 44 | 2 | 0 | 86.2 | 0 | 4 | 3.63 | 92 | 37 | 40 | 35 | 0 | 4 | 37 | 2 | 1 | 5 | 377 | 1.488 | 1.512 | 1.000 | .427 | | 1976 | DET | 1 | 8 | .111 | 32 | 5 | 1 | 109.1 | 0 | 2 | 4.53 | 115 | 43 | 65 | 55 | 4 | 4 | 68 | 0 | 0 | 7 | 478 | 1.445 | 1.445 | 1.581 | .622 | | 1977 | DET | 7 | 8 | .467 | 37 | 7 | 0 | 126.0 | 0 | 1 | 4.79 | 156 | 50 | 82 | 67 | 13 | 5 | 91 | 1 | 3 | 6 | 574 | 1.635 | 1.643 | 1.820 | .722 | | 1978 | DET | 2 | 3 | .400 | 20 | 0 | 0 | 39.1 | 0 | 0 | 4.35 | 45 | 19 | 24 | 19 | 3 | 3 | 24 | 2 | 0 | 7 | 180 | 1.627 | 1.678 | 1.263 | .610 | | Total | | 15 | 28 | .349 | 181 | 14 | 1 | 431.1 | 0 | 13 | 4.41 | 477 | 182 | 252 | 211 | 27 | 24 | 276 | 7 | 5 | 32 | 1923 | 1.529 | 1.545 | 1.516 | .640 | | GrandTot | | 15 | 28 | .349 | 181 | 14 | 1 | 431.1 | 0 | 13 | 4.41 | 477 | 182 | 252 | 211 | 27 | 24 | 276 | 7 | 5 | 32 | 1923 | 1.529 | 1.545 | 1.516 | .640 | | DET | | 10 | 19 | .345 | 89 | 12 | 1 | 274.2 | 0 | 3 | 4.63 | 316 | 112 | 171 | 141 | 20 | 12 | 183 | 3 | 3 | 20 | 1232 | 1.561 | 1.572 | 1.634 | .667 | | HOU | | 5 | 9 | .357 | 92 | 2 | 0 | 156.2 | 0 | 10 | 4.03 | 161 | 70 | 81 | 70 | 7 | 12 | 93 | 4 | 2 | 12 | 691 | 1.479 | 1.504 | 1.329 | .595 |
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| The Daily Diamond