| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1966 | Boston Red Sox | AL | MLB | BOS | 27 | 25 | 8 | 8 | 3.31 | 40 | 17 | 5 | 2 | 23 | 11 | 2 | 157.2 | 129 | 70 | 58 | 13 | 70 | 101 | 5 | 3 | 4 | 1.26 | 7.36 | 0.74 | 4.00 | 5.77 | 4.00 | 1.44 |
| 1967 | Boston Red Sox | AL | MLB | BOS | 27 | 26 | 5 | 11 | 4.17 | 39 | 19 | 2 | 0 | 20 | 11 | 3 | 157.2 | 147 | 86 | 73 | 21 | 59 | 96 | 9 | 0 | 7 | 1.31 | 8.39 | 1.20 | 3.37 | 5.48 | 4.91 | 1.63 |
| 1968 | Boston Red Sox | AL | MLB | BOS | 27 | 27 | 0 | 0 | 6.39 | 8 | 0 | 0 | 0 | 8 | 6 | 0 | 12.2 | 19 | 11 | 9 | 1 | 9 | 10 | 0 | 0 | 1 | 2.21 | 13.50 | 0.71 | 6.39 | 7.11 | 7.82 | 1.11 |
| 1969 | Seattle Pilots | AL | MLB | SE1 | 27 | 28 | 0 | 1 | 8.40 | 8 | 1 | 0 | 0 | 7 | 2 | 0 | 15.0 | 15 | 15 | 14 | 4 | 16 | 10 | 3 | 1 | 2 | 2.07 | 9.00 | 2.40 | 9.60 | 6.00 | 9.00 | 0.63 |
| 1969 | Minnesota Twins | AL | MLB | MIN | 24 | 28 | 0 | 0 | 2.70 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 3.1 | 5 | 3 | 1 | 1 | 3 | 1 | 0 | 0 | 0 | 2.40 | 13.50 | 2.70 | 8.10 | 2.70 | 8.10 | 0.33 |
| 1971 | Philadelphia Phillies | NL | MLB | PHI | 32 | 30 | 6 | 6 | 3.90 | 52 | 0 | 0 | 0 | 52 | 26 | 4 | 83.0 | 81 | 42 | 36 | 5 | 47 | 44 | 2 | 0 | 0 | 1.54 | 8.78 | 0.54 | 5.10 | 4.77 | 4.55 | 0.94 |
| 1972 | Philadelphia Phillies | NL | MLB | PHI | 30 | 31 | 7 | 7 | 3.45 | 42 | 6 | 0 | 0 | 36 | 17 | 2 | 104.1 | 106 | 49 | 40 | 9 | 46 | 67 | 3 | 1 | 6 | 1.46 | 9.14 | 0.78 | 3.97 | 5.78 | 4.23 | 1.46 |
| 1973 | Philadelphia Phillies | NL | MLB | PHI | 30 | 32 | 2 | 4 | 5.43 | 36 | 0 | 0 | 0 | 36 | 10 | 2 | 56.1 | 54 | 35 | 34 | 5 | 25 | 25 | 5 | 0 | 3 | 1.40 | 8.63 | 0.80 | 3.99 | 3.99 | 5.59 | 1.00 |
| Tot: | MLB (7 yrs) | MLB | 28 | 37 | 4.04 | 228 | 43 | 7 | 2 | 83 | 185 | 13 | 590.0 | 556 | 311 | 265 | 59 | 275 | 354 | 27 | 5 | 23 | 1.41 | 8.48 | 0.90 | 4.19 | 5.40 | 4.74 | 1.29 | ||||
| Tot: | AL (4 yrs) | AL | 13 | 20 | 4.03 | 98 | 37 | 7 | 2 | 30 | 61 | 5 | 346.1 | 315 | 185 | 155 | 40 | 157 | 218 | 17 | 4 | 14 | 1.36 | 8.19 | 1.04 | 4.08 | 5.67 | 4.81 | 1.39 | ||||
| Tot: | NL (3 yrs) | NL | 15 | 17 | 4.06 | 130 | 6 | 0 | 0 | 53 | 124 | 8 | 243.2 | 241 | 126 | 110 | 19 | 118 | 136 | 10 | 1 | 9 | 1.47 | 8.90 | 0.70 | 4.36 | 5.02 | 4.65 | 1.15 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1966 | Boston Red Sox | AL | MLB | BOS | 27 | 25 | P | 41 | 44 | 4 | 8 | 2 | 1 | 0 | 2 | 0 | 0 | 2 | 21 | 2 | 6 | 1 | 0 | 1 | 12 | 55 | 3 | 5 | .182 | .245 | .273 | .518 | .136 | .091 | .333 | 3.64 | 38.18 | 10.50 | 0.00 | |
| 1967 | Boston Red Sox | AL | MLB | BOS | 27 | 26 | P | 39 | 43 | 4 | 8 | 3 | 0 | 0 | 1 | 0 | 0 | 1 | 16 | 0 | 5 | 0 | 0 | 0 | 11 | 49 | 3 | 5 | .186 | .205 | .256 | .461 | .093 | .070 | .296 | 2.04 | 32.65 | 16.00 | 0.00 | |
| 1968 | Boston Red Sox | AL | MLB | BOS | 27 | 27 | P | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1969 | Minnesota Twins | AL | MLB | MIN | 24 | 28 | P | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .500 | .000 | .500 | 1.000 | .000 | .000 | 50.00 | 0.00 | 0.00 | 0.00 | |
| 1971 | Philadelphia Phillies | NL | MLB | PHI | 32 | 30 | P | 52 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 2 | 0 | 0 | 0 | 2 | 15 | 0 | 2 | .154 | .154 | .154 | .308 | .000 | .000 | .333 | 0.00 | 46.67 | 0.00 | 0.00 | |
| 1972 | Philadelphia Phillies | NL | MLB | PHI | 30 | 31 | P | 42 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 4 | 0 | 0 | 1 | 1 | 19 | 0 | 1 | .067 | .067 | .067 | .134 | .000 | .000 | .143 | 0.00 | 42.11 | 0.00 | 0.00 | |
| 1973 | Philadelphia Phillies | NL | MLB | PHI | 30 | 32 | P | 36 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 1 | .200 | .333 | .200 | .533 | .200 | .000 | .250 | 16.67 | 16.67 | 1.00 | 0.00 | |
| Tot: | MLB (7 yrs) | MLB | 221 | 122 | 9 | 20 | 5 | 1 | 0 | 3 | 0 | 0 | 5 | 53 | 2 | 17 | 1 | 0 | 2 | 27 | 147 | 6 | 14 | .164 | .208 | .221 | .429 | .098 | .057 | .286 | 3.40 | 36.05 | 10.60 | |||||||
| Tot: | AL (4 yrs) | AL | 91 | 89 | 8 | 16 | 5 | 1 | 0 | 3 | 0 | 0 | 4 | 37 | 2 | 11 | 1 | 0 | 1 | 23 | 107 | 6 | 10 | .180 | .229 | .258 | .488 | .124 | .079 | .302 | 3.74 | 34.58 | 9.25 | |||||||
| Tot: | NL (3 yrs) | NL | 130 | 33 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 0 | 6 | 0 | 0 | 1 | 4 | 40 | 0 | 4 | .121 | .147 | .121 | .268 | .030 | .000 | .235 | 2.50 | 40.00 | 16.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 43 | 24 | 44 | 22 | 44 | 65 | .471 |