| year | team | league | level | age | pos | g | gs | inn | po | a | e | dp | tc | tsc | sb | cs | sb% | fpct | rfg | rfi | rf9i | tm share | pl share | tm rank |
| 1973 | Philadelphia Phillies | NL | MLB | 19 | P | 10 | 0 | 34.1 | 2 | 5 | 0 | 0 | 7 | 7 | 2 | 1 | 0.6667 | 1.000 | 0.7 | 0.21 | 1.89 | 6.2 | 100.0 | 13 |
| 1974 | Philadelphia Phillies | NL | MLB | 20 | P | 10 | 0 | 23.0 | 1 | 2 | 0 | 0 | 3 | 3 | 0 | 0 | 1.000 | 0.3 | 0.13 | 1.17 | 6.2 | 100.0 | 14 | |
| 1975 | Philadelphia Phillies | NL | MLB | 21 | P | 29 | 26 | 171.2 | 14 | 12 | 2 | 1 | 28 | 26 | 5 | 7 | 0.4167 | .929 | 0.9 | 0.15 | 1.35 | 17.9 | 100.0 | 8 |
| 1976 | Philadelphia Phillies | NL | MLB | 22 | P | 32 | 29 | 168.2 | 9 | 14 | 3 | 1 | 26 | 23 | 12 | 3 | 0.8 | .885 | 0.7 | 0.14 | 1.26 | 19.8 | 100.0 | 9 |
| 1977 | Philadelphia Phillies | NL | MLB | 23 | P | 34 | 34 | 219.1 | 14 | 28 | 8 | 1 | 50 | 42 | 14 | 8 | 0.6364 | .840 | 1.2 | 0.19 | 1.71 | 21.0 | 100.0 | 7 |
| 1978 | Philadelphia Phillies | NL | MLB | 24 | P | 33 | 33 | 228.0 | 8 | 37 | 3 | 1 | 48 | 45 | 14 | 4 | 0.7778 | .938 | 1.4 | 0.20 | 1.80 | 20.4 | 100.0 | 5 |
| 1979 | Philadelphia Phillies | NL | MLB | 25 | P | 19 | 17 | 106.0 | 4 | 15 | 0 | 0 | 19 | 19 | 5 | 9 | 0.3571 | 1.000 | 1.0 | 0.18 | 1.62 | 11.7 | 100.0 | 10 |
| 1980 | Philadelphia Phillies | NL | MLB | 26 | P | 14 | 14 | 73.2 | 5 | 16 | 3 | 0 | 24 | 21 | 6 | 2 | 0.75 | .875 | 1.5 | 0.29 | 2.61 | 8.6 | 100.0 | 11 |
| 1981 | Philadelphia Phillies | NL | MLB | 27 | P | 20 | 15 | 106.2 | 8 | 13 | 2 | 0 | 23 | 21 | 14 | 7 | 0.6667 | .913 | 1.1 | 0.20 | 1.80 | 18.7 | 100.0 | 7 |
| 1982 | Philadelphia Phillies | NL | MLB | 28 | P | 33 | 33 | 223.0 | 16 | 26 | 2 | 2 | 44 | 42 | 19 | 14 | 0.5758 | .955 | 1.3 | 0.19 | 1.71 | 20.4 | 100.0 | 7 |
| 1983 | Philadelphia Phillies | NL | MLB | 29 | P | 9 | 9 | 48.1 | 4 | 9 | 1 | 0 | 14 | 13 | 11 | 3 | 0.7857 | .929 | 1.4 | 0.27 | 2.43 | 5.6 | 100.0 | 14 |
| Tot: | MLB (11 yrs) | MLB | P | 243 | 210 | 1,400.1 | 85 | 177 | 24 | 6 | 286 | 262 | 102 | 58 | 0.6375 | .916 | 1.1 | 0.19 | 1.68 |
| year | category | pos P | pos C | pos 1B | pos 2B | pos 3B | pos SS | pos LF | pos CF | pos RF | pos OF | pos DH |
| 1973 | MLB | 10 | - | - | - | - | - | - | - | - | - | - |
| 1974 | MLB | 10 | - | - | - | - | - | - | - | - | - | - |
| 1975 | MLB | 29 | - | - | - | - | - | - | - | - | - | - |
| 1976 | MLB | 32 | - | - | - | - | - | - | - | - | - | - |
| 1977 | MLB | 34 | - | - | - | - | - | - | - | - | - | - |
| 1978 | MLB | 33 | - | - | - | - | - | - | - | - | - | - |
| 1979 | MLB | 19 | - | - | - | - | - | - | - | - | - | - |
| 1980 | MLB | 14 | - | - | - | - | - | - | - | - | - | - |
| 1981 | MLB | 20 | - | - | - | - | - | - | - | - | - | - |
| 1982 | MLB | 33 | - | - | - | - | - | - | - | - | - | - |
| 1983 | MLB | 9 | - | - | - | - | - | - | - | - | - | - |