Regular season · Batting
| 1975 | OAK | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | .000 | .000 | .000 |
| 1975 | SD | 7 | 8 | 1 | 3 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | .375 | .500 | .500 |
| 1974 | STL | 28 | 44 | 3 | 5 | 0 | 0 | 0 | 3 | 3 | 17 | 0 | .114 | .170 | .114 |
| 1972 | BOS | 33 | 72 | 11 | 17 | 4 | 0 | 1 | 9 | 5 | 21 | 0 | .236 | .304 | .333 |
| 1971 | BOS | 32 | 79 | 10 | 21 | 3 | 0 | 6 | 15 | 1 | 20 | 0 | .266 | .289 | .532 |
| 1970 | BOS | 33 | 77 | 5 | 10 | 3 | 0 | 0 | 4 | 1 | 17 | 0 | .130 | .163 | .169 |
| 1969 | BOS | 43 | 53 | 5 | 8 | 1 | 0 | 1 | 3 | 3 | 20 | 0 | .151 | .211 | .226 |
| 1969 | CLE | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .250 | .250 | .250 |
| Career | TOTAL | 195 | 338 | 35 | 65 | 12 | 0 | 8 | 35 | 15 | 98 | 0 | .192 | .241 | .299 |
Regular season · Pitching
| 1975 | OAK | 17 | 4 | 4 | 0 | 61.0 | 60 | 25 | 31 | 44 | 3.69 | 1.49 |
| 1975 | SD | 6 | 3 | 2 | 0 | 26.2 | 37 | 13 | 10 | 10 | 4.39 | 1.76 |
| 1974 | STL | 28 | 8 | 8 | 0 | 133.2 | 150 | 57 | 51 | 68 | 3.84 | 1.50 |
| 1973 | TEX | 25 | 7 | 11 | 2 | 119.2 | 120 | 53 | 37 | 76 | 3.99 | 1.31 |
| 1973 | BOS | 2 | 0 | 1 | 0 | 2.1 | 5 | 2 | 1 | 5 | 7.71 | 2.57 |
| 1972 | BOS | 32 | 12 | 12 | 0 | 196.1 | 204 | 83 | 59 | 123 | 3.80 | 1.34 |
| 1971 | BOS | 32 | 16 | 10 | 0 | 235.1 | 220 | 76 | 60 | 131 | 2.91 | 1.19 |
| 1970 | BOS | 33 | 15 | 8 | 0 | 222.2 | 207 | 85 | 60 | 142 | 3.44 | 1.20 |
| 1969 | BOS | 43 | 14 | 10 | 5 | 163.1 | 151 | 69 | 68 | 127 | 3.80 | 1.34 |
| 1969 | CLE | 2 | 0 | 1 | 0 | 14.0 | 10 | 5 | 8 | 6 | 3.21 | 1.29 |
| Career | TOTAL | 220 | 79 | 67 | 7 | 1175.0 | 1164 | 468 | 385 | 732 | 3.58 | 1.32 |