| 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 |
| 1970 | Boston Red Sox | AL | MLB | BOS | 29 | 20 | 1 | 0 | 3.24 | 3 | 1 | 0 | 0 | 2 | 2 | 0 | 8.1 | 7 | 3 | 3 | 0 | 4 | 2 | 2 | 0 | 0 | 1.32 | 7.56 | 0.00 | 4.32 | 2.16 | 3.24 | 0.50 |
| 1971 | Boston Red Sox | AL | MLB | BOS | 29 | 21 | 4 | 3 | 2.92 | 13 | 7 | 4 | 1 | 6 | 2 | 0 | 71.0 | 50 | 24 | 23 | 5 | 40 | 47 | 1 | 0 | 2 | 1.27 | 6.34 | 0.63 | 5.07 | 5.96 | 3.04 | 1.18 |
| 1972 | Boston Red Sox | AL | MLB | BOS | 29 | 22 | 0 | 0 | 3.60 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 5.0 | 5 | 3 | 2 | 0 | 6 | 4 | 0 | 0 | 0 | 2.20 | 9.00 | 0.00 | 10.80 | 7.20 | 5.40 | 0.67 |
| 1973 | Boston Red Sox | AL | MLB | BOS | 29 | 23 | 13 | 2 | 3.17 | 30 | 15 | 5 | 2 | 15 | 7 | 3 | 156.1 | 138 | 60 | 55 | 19 | 67 | 90 | 3 | 1 | 3 | 1.31 | 7.94 | 1.09 | 3.86 | 5.18 | 3.45 | 1.34 |
| 1974 | Boston Red Sox | AL | MLB | BOS | 29 | 24 | 9 | 10 | 3.74 | 31 | 21 | 10 | 1 | 10 | 6 | 2 | 173.1 | 158 | 79 | 72 | 15 | 79 | 111 | 6 | 0 | 2 | 1.37 | 8.20 | 0.78 | 4.10 | 5.76 | 4.10 | 1.41 |
| 1975 | Boston Red Sox | AL | MLB | BOS | 29 | 25 | 14 | 3 | 3.60 | 36 | 16 | 4 | 1 | 20 | 5 | 1 | 145.0 | 132 | 60 | 58 | 8 | 76 | 80 | 4 | 0 | 2 | 1.43 | 8.19 | 0.50 | 4.72 | 4.97 | 3.72 | 1.05 |
| 1976 | Atlanta Braves | NL | MLB | ATL | 14 | 26 | 3 | 5 | 5.00 | 27 | 12 | 1 | 0 | 15 | 6 | 1 | 77.1 | 84 | 44 | 43 | 7 | 27 | 30 | 6 | 1 | 1 | 1.44 | 9.78 | 0.81 | 3.14 | 3.49 | 5.12 | 1.11 |
| 1977 | Texas Rangers | AL | MLB | TEX | 29,42 | 27 | 3 | 3 | 3.73 | 18 | 8 | 0 | 0 | 10 | 7 | 4 | 72.1 | 59 | 41 | 30 | 6 | 38 | 39 | 4 | 0 | 0 | 1.34 | 7.34 | 0.75 | 4.73 | 4.85 | 5.10 | 1.03 |
| 1978 | Texas Rangers | AL | MLB | TEX | 29 | 28 | 0 | 1 | 4.91 | 7 | 2 | 0 | 0 | 5 | 2 | 1 | 14.2 | 23 | 8 | 8 | 1 | 2 | 5 | 0 | 0 | 1 | 1.70 | 14.11 | 0.61 | 1.23 | 3.07 | 4.91 | 2.50 |
| Tot: | MLB (9 yrs) | MLB | 47 | 27 | 3.66 | 168 | 82 | 24 | 5 | 37 | 86 | 12 | 723.1 | 656 | 322 | 294 | 61 | 339 | 408 | 26 | 2 | 11 | 1.38 | 8.16 | 0.76 | 4.22 | 5.08 | 4.01 | 1.20 | ||||
| Tot: | NL (1 yrs) | NL | 3 | 5 | 5.00 | 27 | 12 | 1 | 0 | 6 | 15 | 1 | 77.1 | 84 | 44 | 43 | 7 | 27 | 30 | 6 | 1 | 1 | 1.44 | 9.78 | 0.81 | 3.14 | 3.49 | 5.12 | 1.11 | ||||
| Tot: | AL (8 yrs) | AL | 44 | 22 | 3.50 | 141 | 70 | 23 | 5 | 31 | 71 | 11 | 646.0 | 572 | 278 | 251 | 54 | 312 | 378 | 20 | 1 | 10 | 1.37 | 7.97 | 0.75 | 4.35 | 5.27 | 3.87 | 1.21 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | 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 |
| 1975 | Boston Red Sox | Championship Series | Playoffs | 25 | 1 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2.00 | 9.00 | 0.00 | 9.00 | 0.00 | 0.00 | 0.00 |
| 1975 | Boston Red Sox | World Series | Playoffs | 25 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1.2 | 2 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 3.00 | 10.80 | 0.00 | 16.20 | 5.40 | 0.00 | 0.33 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 1 | 0 | 0.00 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 2.2 | 3 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 2.62 | 10.12 | 0.00 | 13.50 | 3.37 | 0.00 | 0.25 |
| 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 |
| 1970 | Boston Red Sox | AL | MLB | BOS | 29 | 20 | P | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1971 | Boston Red Sox | AL | MLB | BOS | 29 | 21 | P | 13 | 23 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 0 | 2 | .087 | .160 | .087 | .247 | .087 | .000 | .125 | 8.00 | 28.00 | 3.50 | 0.00 | |
| 1972 | Boston Red Sox | AL | MLB | BOS | 29 | 22 | P | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1976 | Atlanta Braves | NL | MLB | ATL | 14 | 26 | P | 27 | 23 | 3 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 2 | 1 | 0 | 0 | 3 | 26 | 0 | 3 | .130 | .125 | .130 | .255 | .000 | .000 | .188 | 0.00 | 30.77 | 0.00 | 0.00 | |
| Tot: | MLB (4 yrs) | MLB | 46 | 50 | 3 | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 17 | 0 | 2 | 1 | 0 | 0 | 5 | 55 | 0 | 5 | .100 | .132 | .100 | .232 | .040 | .000 | .147 | 3.64 | 30.91 | 8.50 | |||||||
| Tot: | AL (3 yrs) | AL | 19 | 27 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 9 | 0 | 0 | 0 | 0 | 0 | 2 | 29 | 0 | 2 | .074 | .138 | .074 | .212 | .074 | .000 | .111 | 6.90 | 31.03 | 4.50 | |||||||
| Tot: | NL (1 yrs) | NL | 27 | 23 | 3 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 2 | 1 | 0 | 0 | 3 | 26 | 0 | 3 | .130 | .125 | .130 | .255 | .000 | .000 | .188 | 0.00 | 30.77 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 53 | 29 | 71 | 35 | 71 | 43 | .536 |