| 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 | | 1969 | DET | 4 | 3 | .571 | 31 | 1 | 1 | 55.2 | 0 | 1 | 2.75 | 50 | 26 | 22 | 17 | 1 | 4 | 42 | 2 | 0 | 6 | 241 | 1.365 | 1.401 | 1.615 | .754 | | 1970 | DET | 6 | 7 | .462 | 61 | 0 | 0 | 85.1 | 0 | 27 | 4.11 | 90 | 34 | 44 | 39 | 3 | 11 | 49 | 2 | 0 | 4 | 378 | 1.453 | 1.477 | 1.441 | .574 | | 1971 | DET | 7 | 6 | .538 | 52 | 2 | 0 | 84.0 | 0 | 4 | 3.86 | 82 | 37 | 36 | 36 | 6 | 3 | 51 | 3 | 0 | 2 | 362 | 1.417 | 1.452 | 1.378 | .607 | | 1972 | DET | 8 | 10 | .444 | 34 | 25 | 3 | 149.2 | 2 | 0 | 2.89 | 121 | 41 | 57 | 48 | 12 | 1 | 88 | 5 | 0 | 3 | 614 | 1.082 | 1.116 | 2.146 | .588 | | 1973 | DET | 1 | 1 | .500 | 17 | 1 | 0 | 39.0 | 0 | 1 | 3.69 | 39 | 11 | 17 | 16 | 4 | 1 | 21 | 0 | 0 | 2 | 163 | 1.282 | 1.282 | 1.909 | .538 | | 1973 | CLE | 8 | 7 | .533 | 29 | 15 | 4 | 124.1 | 0 | 2 | 4.92 | 117 | 54 | 73 | 68 | 15 | 7 | 62 | 3 | 0 | 9 | 529 | 1.375 | 1.399 | 1.148 | .499 | | 1974 | CLE | 1 | 1 | .500 | 4 | 0 | 0 | 10.0 | 0 | 0 | 5.40 | 9 | 5 | 6 | 6 | 1 | 0 | 2 | 0 | 0 | 0 | 42 | 1.400 | 1.400 | .400 | .200 | | Total | | 35 | 35 | .500 | 228 | 44 | 8 | 548.0 | 2 | 35 | 3.78 | 508 | 208 | 255 | 230 | 42 | 27 | 315 | 15 | 0 | 26 | 2329 | 1.307 | 1.334 | 1.514 | .575 | | GrandTot | | 35 | 35 | .500 | 228 | 44 | 8 | 548 | 2 | 35 | 3.78 | 508 | 208 | 255 | 230 | 42 | 27 | 315 | 15 | 0 | 26 | 2329 | 1.307 | 1.334 | 1.514 | .575 | | DET | | 26 | 27 | .491 | 195 | 29 | 4 | 413.2 | 2 | 33 | 3.4 | 382 | 149 | 176 | 156 | 26 | 20 | 251 | 12 | 0 | 17 | 1758 | 1.285 | 1.314 | 1.685 | .607 | | CLE | | 9 | 8 | .529 | 33 | 15 | 4 | 134.1 | 0 | 2 | 4.97 | 126 | 59 | 79 | 74 | 16 | 7 | 64 | 3 | 0 | 9 | 571 | 1.380 | 1.402 | 1.085 | .477 |
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| The Daily Diamond