| Yr | Tm | POS | G | GS | INN | PO | A | E | TC = PO + A + E | DP | | FLDPCT = | PO + A | | | PO + A + E |
| | 1967 | CHN | P | 36 | 22 | 169.2 | 10 | 26 | 0 | 36 | 2 | 1.000 | | 1969 | CHN | P | 4 | 3 | 19.1 | 2 | 5 | 0 | 7 | 1 | 1.000 | | 1969 | SDN | P | 37 | 31 | 202 | 19 | 29 | 5 | 53 | 1 | .906 | | 1970 | DET | P | 38 | 34 | 213 | 17 | 35 | 1 | 53 | 1 | .981 | | 1971 | DET | P | 31 | 15 | 122.1 | 9 | 25 | 1 | 35 | 1 | .971 | | 1972 | DET | P | 18 | 7 | 47 | 5 | 4 | 0 | 9 | 1 | 1.000 | | 1973 | ATL | P | 20 | 0 | 24 | 2 | 5 | 0 | 7 | 2 | 1.000 | | 1974 | ATL | P | 27 | 2 | 43 | 4 | 8 | 0 | 12 | 1 | 1.000 | | 1975 | HOU | P | 40 | 4 | 88 | 7 | 13 | 0 | 20 | 0 | 1.000 | | 1976 | HOU | P | 36 | 13 | 118 | 9 | 13 | 3 | 25 | 1 | .880 | | 1977 | HOU | P | 44 | 14 | 180.2 | 11 | 31 | 0 | 42 | 7 | 1.000 | | 1978 | HOU | P | 35 | 29 | 202.2 | 18 | 21 | 0 | 39 | 3 | 1.000 | | 1979 | HOU | P | 38 | 38 | 263.2 | 14 | 39 | 0 | 53 | 4 | 1.000 | | 1980 | HOU | P | 37 | 36 | 256 | 17 | 37 | 2 | 56 | 2 | .964 | | 1981 | HOU | P | 24 | 24 | 166 | 11 | 23 | 0 | 34 | 1 | 1.000 | | 1982 | HOU | P | 35 | 35 | 270 | 22 | 42 | 3 | 67 | 2 | .955 | | 1983 | HOU | P | 38 | 38 | 263.2 | 9 | 36 | 4 | 49 | 0 | .918 | | 1984 | HOU | P | 38 | 38 | 248.1 | 19 | 39 | 2 | 60 | 5 | .967 | | 1985 | HOU | P | 32 | 32 | 213 | 14 | 34 | 1 | 49 | 1 | .980 | | 1985 | NYA | P | 3 | 3 | 12.1 | 3 | 2 | 0 | 5 | 0 | 1.000 | | 1986 | NYA | P | 25 | 25 | 125.2 | 9 | 13 | 1 | 23 | 2 | .957 | | 1987 | MIN | P | 19 | 18 | 96.1 | 6 | 11 | 1 | 18 | 1 | .944 | | 1987 | NYA | P | 8 | 8 | 50.2 | 5 | 5 | 1 | 11 | 0 | .909 | | 1988 | MIN | P | 5 | 2 | 11.2 | 2 | 3 | 0 | 5 | 1 | 1.000 | | Total(P) | | | 702 | 500 | 3584.1 | 253 | 532 | 25 | 810 | 41 | .969 | | Total | | | 702 | 500 | 3584.1 | 253 | 532 | 25 | 810 | 41 | .969 |
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