| 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 |
| 1969 | St. Louis Cardinals | NL | MLB | SLN | 22 | 21 | 0 | 0 | 9.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 7 | 4 | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 2.00 | 15.75 | 0.00 | 2.25 | 6.75 | 9.00 | 3.00 |
| 1970 | St. Louis Cardinals | NL | MLB | SLN | 33 | 22 | 0 | 4 | 7.62 | 16 | 1 | 0 | 0 | 15 | 5 | 0 | 26.0 | 31 | 27 | 22 | 3 | 18 | 22 | 2 | 0 | 0 | 1.88 | 10.73 | 1.04 | 6.23 | 7.62 | 9.35 | 1.22 |
| 1971 | St. Louis Cardinals | NL | MLB | SLN | 22 | 23 | 12 | 12 | 4.01 | 34 | 34 | 10 | 2 | 0 | 0 | 0 | 222.0 | 238 | 107 | 99 | 20 | 53 | 148 | 3 | 1 | 6 | 1.31 | 9.65 | 0.81 | 2.15 | 6.00 | 4.34 | 2.79 |
| 1972 | St. Louis Cardinals | NL | MLB | SLN | 22 | 24 | 14 | 15 | 3.94 | 33 | 33 | 11 | 3 | 0 | 0 | 0 | 230.2 | 229 | 120 | 101 | 21 | 60 | 153 | 3 | 2 | 5 | 1.25 | 8.93 | 0.82 | 2.34 | 5.97 | 4.68 | 2.55 |
| 1973 | St. Louis Cardinals | NL | MLB | SLN | 22 | 25 | 14 | 10 | 3.01 | 32 | 32 | 6 | 3 | 0 | 0 | 0 | 224.0 | 211 | 88 | 75 | 13 | 61 | 122 | 3 | 0 | 4 | 1.21 | 8.48 | 0.52 | 2.45 | 4.90 | 3.54 | 2.00 |
| 1974 | Boston Red Sox | AL | MLB | BOS | 26,33 | 26 | 12 | 14 | 4.31 | 41 | 27 | 10 | 0 | 14 | 10 | 0 | 221.1 | 234 | 121 | 106 | 25 | 69 | 103 | 6 | 1 | 9 | 1.37 | 9.52 | 1.02 | 2.81 | 4.19 | 4.92 | 1.49 |
| 1975 | Boston Red Sox | AL | MLB | BOS | 26 | 27 | 13 | 9 | 4.43 | 31 | 20 | 3 | 1 | 11 | 6 | 0 | 170.2 | 173 | 90 | 84 | 19 | 52 | 78 | 9 | 0 | 3 | 1.32 | 9.12 | 1.00 | 2.74 | 4.11 | 4.75 | 1.50 |
| 1976 | Boston Red Sox | AL | MLB | BOS | 26 | 28 | 10 | 9 | 3.07 | 41 | 14 | 3 | 0 | 27 | 10 | 2 | 170.0 | 159 | 73 | 58 | 3 | 61 | 76 | 6 | 0 | 4 | 1.29 | 8.42 | 0.16 | 3.23 | 4.02 | 3.86 | 1.25 |
| 1977 | Boston Red Sox | AL | MLB | BOS | 26 | 29 | 11 | 8 | 4.26 | 36 | 27 | 9 | 1 | 9 | 2 | 2 | 190.1 | 211 | 97 | 90 | 20 | 43 | 85 | 3 | 0 | 4 | 1.33 | 9.98 | 0.95 | 2.03 | 4.02 | 4.59 | 1.98 |
| 1978 | Boston Red Sox | AL | MLB | BOS | 26 | 30 | 0 | 1 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 | 27.00 | 0.00 | 0.00 | 0.00 | 27.00 | 0.00 |
| 1978 | Texas Rangers | AL | MLB | TEX | 26 | 30 | 5 | 7 | 3.09 | 53 | 0 | 0 | 0 | 53 | 41 | 12 | 75.2 | 65 | 33 | 26 | 5 | 23 | 46 | 1 | 1 | 3 | 1.16 | 7.73 | 0.59 | 2.74 | 5.47 | 3.93 | 2.00 |
| 1979 | Milwaukee Brewers | AL | MLB | MIL | 23,47 | 31 | 1 | 5 | 6.71 | 29 | 1 | 0 | 0 | 28 | 11 | 4 | 55.0 | 77 | 44 | 41 | 9 | 23 | 22 | 2 | 1 | 0 | 1.82 | 12.60 | 1.47 | 3.76 | 3.60 | 7.20 | 0.96 |
| 1980 | Milwaukee Brewers | AL | MLB | MIL | 23 | 32 | 11 | 9 | 3.73 | 45 | 13 | 5 | 2 | 32 | 16 | 4 | 154.1 | 150 | 73 | 64 | 9 | 49 | 54 | 5 | 0 | 5 | 1.29 | 8.75 | 0.52 | 2.86 | 3.15 | 4.26 | 1.10 |
| 1981 | Milwaukee Brewers | AL | MLB | MIL | 25 | 33 | 2 | 3 | 5.15 | 35 | 0 | 0 | 0 | 35 | 10 | 1 | 64.2 | 57 | 41 | 37 | 5 | 30 | 18 | 6 | 0 | 1 | 1.35 | 7.93 | 0.70 | 4.18 | 2.51 | 5.71 | 0.60 |
| Tot: | MLB (13 yrs) | MLB | 105 | 106 | 4.01 | 428 | 203 | 57 | 12 | 111 | 225 | 25 | 1809.0 | 1843 | 919 | 807 | 152 | 543 | 930 | 49 | 6 | 44 | 1.32 | 9.17 | 0.76 | 2.70 | 4.63 | 4.57 | 1.71 | ||||
| Tot: | AL (8 yrs) | AL | 65 | 65 | 4.13 | 312 | 102 | 30 | 4 | 106 | 210 | 25 | 1102.1 | 1127 | 573 | 506 | 95 | 350 | 482 | 38 | 3 | 29 | 1.34 | 9.20 | 0.78 | 2.86 | 3.94 | 4.68 | 1.38 | ||||
| Tot: | NL (5 yrs) | NL | 40 | 41 | 3.83 | 116 | 101 | 27 | 8 | 5 | 15 | 0 | 706.2 | 716 | 346 | 301 | 57 | 193 | 448 | 11 | 3 | 15 | 1.29 | 9.12 | 0.73 | 2.46 | 5.71 | 4.41 | 2.32 | ||||
| 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 | 27 | 0 | 0 | 5.40 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 7 | 0 | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 1.60 | 12.60 | 0.00 | 1.80 | 3.60 | 0.00 | 2.00 |
| 1975 | Boston Red Sox | World Series | Playoffs | 27 | 0 | 1 | 6.75 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 7 | 0 | 5 | 0 | 3 | 5 | 0 | 0 | 0 | 1.50 | 9.45 | 0.00 | 4.05 | 6.75 | 0.00 | 1.67 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 0 | 1 | 6.17 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 11.2 | 14 | 0 | 8 | 0 | 4 | 7 | 0 | 0 | 0 | 1.54 | 10.80 | 0.00 | 3.09 | 5.40 | 0.00 | 1.75 |
| 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 |
| 1969 | St. Louis Cardinals | NL | MLB | SLN | 22 | 21 | P | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1970 | St. Louis Cardinals | NL | MLB | SLN | 33 | 22 | P | 16 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .250 | .250 | .250 | .500 | .000 | .000 | .500 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1971 | St. Louis Cardinals | NL | MLB | SLN | 22 | 23 | P | 34 | 82 | 5 | 14 | 2 | 0 | 0 | 7 | 0 | 0 | 1 | 16 | 0 | 4 | 1 | 0 | 1 | 16 | 88 | 2 | 12 | .171 | .179 | .195 | .374 | .037 | .024 | .209 | 1.14 | 18.18 | 16.00 | 0.00 | |
| 1972 | St. Louis Cardinals | NL | MLB | SLN | 22 | 24 | P | 33 | 71 | 3 | 17 | 0 | 0 | 0 | 7 | 0 | 0 | 1 | 13 | 1 | 11 | 0 | 0 | 3 | 17 | 84 | 0 | 17 | .239 | .260 | .239 | .499 | .014 | .000 | .293 | 1.19 | 15.48 | 13.00 | 0.00 | |
| 1973 | St. Louis Cardinals | NL | MLB | SLN | 22 | 25 | P | 32 | 74 | 5 | 17 | 4 | 0 | 0 | 3 | 0 | 0 | 4 | 19 | 0 | 9 | 0 | 0 | 2 | 21 | 87 | 4 | 13 | .230 | .269 | .284 | .553 | .108 | .054 | .309 | 4.60 | 21.84 | 4.75 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 116 | 232 | 13 | 49 | 6 | 0 | 0 | 17 | 0 | 0 | 6 | 50 | 1 | 25 | 1 | 0 | 6 | 55 | 265 | 6 | 43 | .211 | .233 | .237 | .470 | .052 | .026 | .268 | 2.26 | 18.87 | 8.33 | |||||||
| Tot: | NL (5 yrs) | NL | 116 | 232 | 13 | 49 | 6 | 0 | 0 | 17 | 0 | 0 | 6 | 50 | 1 | 25 | 1 | 0 | 6 | 55 | 265 | 6 | 43 | .211 | .233 | .237 | .470 | .052 | .026 | .268 | 2.26 | 18.87 | 8.33 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | 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 |
| 1975 | Boston Red Sox | World Series | Playoffs | 27 | 3 | 2 | 0 | 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 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 42 | 63 | 42 | 55 | 42 | 79 | .543 |