| 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 |
| 1963 | Kansas City Athletics | AL | MLB | KC1 | 35 | 20 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0.60 | 0.00 | 0.00 | 5.40 | 16.20 | 0.00 | 3.00 |
| 1967 | Boston Red Sox | AL | MLB | BOS | 29 | 24 | 1 | 0 | 5.26 | 18 | 1 | 0 | 0 | 17 | 5 | 0 | 25.2 | 24 | 16 | 15 | 6 | 11 | 23 | 0 | 0 | 0 | 1.36 | 8.42 | 2.10 | 3.86 | 8.06 | 5.61 | 2.09 |
| 1968 | Boston Red Sox | AL | MLB | BOS | 29 | 25 | 3 | 3 | 3.15 | 38 | 1 | 0 | 0 | 37 | 11 | 3 | 60.0 | 48 | 22 | 21 | 4 | 30 | 59 | 6 | 0 | 2 | 1.30 | 7.20 | 0.60 | 4.50 | 8.85 | 3.30 | 1.97 |
| 1969 | Boston Red Sox | AL | MLB | BOS | 29 | 26 | 5 | 5 | 5.25 | 45 | 5 | 0 | 0 | 40 | 9 | 1 | 82.1 | 82 | 53 | 48 | 7 | 49 | 50 | 5 | 1 | 3 | 1.59 | 8.96 | 0.77 | 5.36 | 5.47 | 5.79 | 1.02 |
| Tot: | MLB (4 yrs) | MLB | 9 | 8 | 4.46 | 102 | 7 | 0 | 0 | 25 | 95 | 4 | 169.2 | 154 | 91 | 84 | 17 | 91 | 135 | 11 | 1 | 5 | 1.44 | 8.17 | 0.90 | 4.83 | 7.16 | 4.83 | 1.48 | ||||
| Tot: | AL (4 yrs) | AL | 9 | 8 | 4.46 | 102 | 7 | 0 | 0 | 25 | 95 | 4 | 169.2 | 154 | 91 | 84 | 17 | 91 | 135 | 11 | 1 | 5 | 1.44 | 8.17 | 0.90 | 4.83 | 7.16 | 4.83 | 1.48 | ||||
| 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 |
| 1967 | Boston Red Sox | AL | MLB | BOS | 29 | 24 | P | 21 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1968 | Boston Red Sox | AL | MLB | BOS | 29 | 25 | P | 38 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | |
| 1969 | Boston Red Sox | AL | MLB | BOS | 29 | 26 | P | 46 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | .000 | .214 | .000 | .214 | .364 | .000 | .000 | 21.43 | 28.57 | 1.33 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 105 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | .000 | .136 | .000 | .136 | .211 | .000 | .000 | 13.64 | 45.45 | 3.33 | |||||||
| Tot: | AL (3 yrs) | AL | 105 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | .000 | .136 | .000 | .136 | .211 | .000 | .000 | 13.64 | 45.45 | 3.33 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 79 | 15 | 51 | 42 | 51 | 46 | .522 |