| 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 |
| 1962 | Kansas City Athletics | AL | MLB | KC1 | 24 | 24 | 8 | 5 | 3.86 | 37 | 13 | 2 | 0 | 24 | 15 | 6 | 116.2 | 89 | 53 | 50 | 16 | 46 | 71 | 3 | 1 | 1 | 1.16 | 6.87 | 1.23 | 3.55 | 5.48 | 4.09 | 1.54 |
| 1963 | Kansas City Athletics | AL | MLB | KC1 | 23 | 25 | 9 | 6 | 3.77 | 38 | 23 | 4 | 1 | 15 | 4 | 0 | 167.0 | 173 | 84 | 70 | 17 | 73 | 116 | 5 | 1 | 2 | 1.47 | 9.32 | 0.92 | 3.93 | 6.25 | 4.53 | 1.59 |
| 1964 | Kansas City Athletics | AL | MLB | KC1 | 17 | 26 | 8 | 17 | 4.56 | 40 | 35 | 5 | 2 | 5 | 1 | 0 | 217.0 | 219 | 118 | 110 | 30 | 94 | 155 | 6 | 0 | 1 | 1.44 | 9.08 | 1.24 | 3.90 | 6.43 | 4.89 | 1.65 |
| 1965 | Kansas City Athletics | AL | MLB | KC1 | 17 | 27 | 5 | 15 | 4.64 | 40 | 25 | 5 | 1 | 15 | 2 | 0 | 163.0 | 166 | 102 | 84 | 18 | 67 | 119 | 7 | 1 | 2 | 1.43 | 9.17 | 0.99 | 3.70 | 6.57 | 5.63 | 1.78 |
| 1966 | Washington Senators II | AL | MLB | WS2 | 32 | 28 | 3 | 7 | 5.00 | 21 | 13 | 1 | 1 | 8 | 1 | 0 | 72.0 | 82 | 42 | 40 | 8 | 24 | 54 | 3 | 0 | 0 | 1.47 | 10.25 | 1.00 | 3.00 | 6.75 | 5.25 | 2.25 |
| 1967 | Kansas City Athletics | AL | MLB | KC1 | 26 | 29 | 3 | 4 | 3.09 | 36 | 3 | 0 | 0 | 33 | 12 | 1 | 70.0 | 62 | 30 | 24 | 4 | 31 | 52 | 2 | 0 | 2 | 1.33 | 7.97 | 0.51 | 3.99 | 6.69 | 3.86 | 1.68 |
| 1968 | Oakland Athletics | AL | MLB | OAK | 24 | 30 | 6 | 5 | 2.39 | 52 | 0 | 0 | 0 | 52 | 24 | 6 | 83.0 | 51 | 25 | 22 | 7 | 32 | 72 | 5 | 0 | 0 | 1.00 | 5.53 | 0.76 | 3.47 | 7.81 | 2.71 | 2.25 |
| 1969 | Seattle Pilots | AL | MLB | SE1 | 24 | 31 | 12 | 6 | 3.35 | 66 | 8 | 2 | 0 | 58 | 38 | 12 | 142.1 | 127 | 62 | 53 | 14 | 61 | 113 | 4 | 1 | 2 | 1.32 | 8.03 | 0.89 | 3.86 | 7.15 | 3.92 | 1.85 |
| 1970 | Oakland Athletics | AL | MLB | OAK | 24 | 32 | 10 | 10 | 2.56 | 47 | 19 | 3 | 2 | 28 | 14 | 2 | 162.0 | 130 | 54 | 46 | 9 | 68 | 95 | 5 | 0 | 2 | 1.22 | 7.22 | 0.50 | 3.78 | 5.28 | 3.00 | 1.40 |
| 1971 | Oakland Athletics | AL | MLB | OAK | 24 | 33 | 10 | 8 | 3.14 | 26 | 21 | 5 | 0 | 5 | 0 | 0 | 146.1 | 122 | 59 | 51 | 13 | 63 | 81 | 2 | 1 | 4 | 1.26 | 7.50 | 0.80 | 3.87 | 4.98 | 3.63 | 1.29 |
| 1972 | Oakland Athletics | AL | MLB | OAK | 24 | 34 | 0 | 1 | 3.57 | 7 | 3 | 0 | 0 | 4 | 1 | 0 | 22.2 | 25 | 10 | 9 | 2 | 7 | 11 | 1 | 1 | 0 | 1.41 | 9.93 | 0.79 | 2.78 | 4.37 | 3.97 | 1.57 |
| 1972 | St. Louis Cardinals | NL | MLB | SLN | 35 | 34 | 3 | 1 | 3.07 | 33 | 0 | 0 | 0 | 33 | 21 | 9 | 55.2 | 47 | 23 | 19 | 2 | 32 | 54 | 5 | 1 | 0 | 1.42 | 7.60 | 0.32 | 5.17 | 8.73 | 3.72 | 1.69 |
| 1973 | St. Louis Cardinals | NL | MLB | SLN | 35 | 35 | 7 | 6 | 2.78 | 65 | 0 | 0 | 0 | 65 | 43 | 17 | 100.1 | 78 | 35 | 31 | 6 | 53 | 93 | 7 | 0 | 0 | 1.31 | 7.00 | 0.54 | 4.75 | 8.34 | 3.14 | 1.75 |
| 1974 | Boston Red Sox | AL | MLB | BOS | 36 | 36 | 6 | 8 | 4.00 | 58 | 0 | 0 | 0 | 58 | 46 | 10 | 108.0 | 106 | 54 | 48 | 9 | 49 | 76 | 12 | 1 | 1 | 1.44 | 8.83 | 0.75 | 4.08 | 6.33 | 4.50 | 1.55 |
| 1975 | Boston Red Sox | AL | MLB | BOS | 28 | 37 | 2 | 5 | 4.82 | 33 | 1 | 1 | 0 | 32 | 24 | 6 | 71.0 | 71 | 41 | 38 | 10 | 43 | 45 | 5 | 0 | 0 | 1.61 | 9.00 | 1.27 | 5.45 | 5.70 | 5.20 | 1.05 |
| 1976 | Hawaii Islanders | PCL | AAA | SDN | - | 38 | 11 | 5 | 3.18 | 21 | 17 | 10 | 1 | 4 | 0 | 1 | 147.0 | 117 | 64 | 52 | 19 | 51 | 105 | 5 | 0 | 1 | 1.14 | 7.16 | 1.16 | 3.12 | 6.43 | 3.92 | 2.06 |
| 1977 | Seattle Mariners | AL | MLB | SEA | 27 | 39 | 0 | 7 | 5.69 | 40 | 7 | 0 | 0 | 33 | 18 | 2 | 110.2 | 108 | 75 | 70 | 20 | 43 | 91 | 3 | 2 | 1 | 1.36 | 8.78 | 1.63 | 3.50 | 7.40 | 6.10 | 2.12 |
| Tot: | MLB (15 yrs) | MLB | 92 | 111 | 3.81 | 639 | 171 | 28 | 7 | 264 | 468 | 71 | 1807.2 | 1656 | 867 | 765 | 185 | 786 | 1298 | 75 | 10 | 18 | 1.35 | 8.24 | 0.92 | 3.91 | 6.46 | 4.32 | 1.65 | ||||
| Tot: | AL (14 yrs) | AL | 82 | 104 | 3.90 | 541 | 171 | 28 | 7 | 200 | 370 | 45 | 1651.2 | 1531 | 809 | 715 | 177 | 701 | 1151 | 63 | 9 | 18 | 1.35 | 8.34 | 0.96 | 3.82 | 6.27 | 4.41 | 1.64 | ||||
| Tot: | NL (2 yrs) | NL | 10 | 7 | 2.88 | 98 | 0 | 0 | 0 | 64 | 98 | 26 | 156.0 | 125 | 58 | 50 | 8 | 85 | 147 | 12 | 1 | 0 | 1.35 | 7.21 | 0.46 | 4.90 | 8.48 | 3.35 | 1.73 | ||||
| Tot: | Minors (1 yrs) | Minors | 11 | 5 | 3.18 | 21 | 17 | 10 | 1 | 0 | 4 | 1 | 147.0 | 117 | 64 | 52 | 19 | 51 | 105 | 5 | 0 | 1 | 1.14 | 7.16 | 1.16 | 3.12 | 6.43 | 3.92 | 2.06 | ||||
| Tot: | AAA (1 yrs) | AAA | 11 | 5 | 3.18 | 21 | 17 | 10 | 1 | 0 | 4 | 1 | 147.0 | 117 | 64 | 52 | 19 | 51 | 105 | 5 | 0 | 1 | 1.14 | 7.16 | 1.16 | 3.12 | 6.43 | 3.92 | 2.06 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1971 | Oakland Athletics | Championship Series | Playoffs | 33 | 0 | 1 | 5.79 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 6 | 0 | 3 | 0 | 6 | 4 | 0 | 0 | 0 | 2.57 | 11.57 | 0.00 | 11.57 | 7.71 | 0.00 | 0.67 |
| 1975 | Boston Red Sox | World Series | Playoffs | 37 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (2 Yrs) | Playoffs | 0 | 1 | 4.76 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 5.2 | 6 | 0 | 3 | 0 | 6 | 4 | 0 | 0 | 0 | 2.12 | 9.53 | 0.00 | 9.53 | 6.35 | 0.00 | 0.67 |
| 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 |
| 1962 | Kansas City Athletics | AL | MLB | KC1 | 24 | 24 | P | 37 | 34 | 3 | 8 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 15 | 0 | 1 | 0 | 0 | 0 | 12 | 36 | 2 | 6 | .235 | .257 | .353 | .610 | .147 | .118 | .389 | 2.78 | 41.67 | 15.00 | 34.00 | |
| 1963 | Kansas City Athletics | AL | MLB | KC1 | 23 | 25 | P | 38 | 55 | 5 | 12 | 0 | 1 | 0 | 4 | 0 | 0 | 1 | 24 | 0 | 4 | 0 | 0 | 2 | 14 | 60 | 1 | 11 | .218 | .232 | .255 | .487 | .055 | .037 | .387 | 1.67 | 40.00 | 24.00 | 0.00 | |
| 1964 | Kansas City Athletics | AL | MLB | KC1 | 17 | 26 | P | 40 | 71 | 4 | 11 | 1 | 0 | 1 | 6 | 0 | 0 | 3 | 39 | 1 | 3 | 0 | 0 | 1 | 15 | 78 | 2 | 9 | .155 | .200 | .211 | .411 | .099 | .056 | .323 | 3.85 | 50.00 | 13.00 | 71.00 | |
| 1965 | Kansas City Athletics | AL | MLB | KC1 | 17 | 27 | P | 41 | 47 | 5 | 9 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 23 | 0 | 4 | 0 | 0 | 1 | 14 | 53 | 3 | 6 | .191 | .224 | .298 | .522 | .149 | .107 | .348 | 3.77 | 43.40 | 11.50 | 47.00 | |
| 1966 | Washington Senators II | AL | MLB | WS2 | 32 | 28 | P | 21 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 2 | 19 | 0 | 2 | .111 | .158 | .111 | .269 | .056 | .000 | .286 | 5.26 | 57.89 | 11.00 | 0.00 | |
| 1967 | Kansas City Athletics | AL | MLB | KC1 | 26 | 29 | P | 36 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 44.44 | 0.00 | 0.00 | |
| 1968 | Oakland Athletics | AL | MLB | OAK | 24 | 30 | P | 52 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 1 | .111 | .200 | .111 | .311 | .111 | .000 | .333 | 10.00 | 60.00 | 6.00 | 0.00 | |
| 1969 | Seattle Pilots | AL | MLB | SE1 | 24 | 31 | P | 66 | 27 | 1 | 4 | 0 | 0 | 0 | 5 | 0 | 0 | 2 | 13 | 0 | 3 | 0 | 0 | 0 | 4 | 32 | 0 | 4 | .148 | .207 | .148 | .355 | .074 | .000 | .286 | 6.25 | 40.63 | 6.50 | 0.00 | |
| 1970 | Oakland Athletics | AL | MLB | OAK | 24 | 32 | P | 47 | 43 | 2 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 18 | 0 | 6 | 1 | 0 | 1 | 5 | 50 | 0 | 5 | .116 | .114 | .116 | .230 | .000 | .000 | .192 | 0.00 | 36.00 | 0.00 | 0.00 | |
| 1971 | Oakland Athletics | AL | MLB | OAK | 24 | 33 | P | 26 | 47 | 5 | 4 | 0 | 0 | 1 | 3 | 0 | 0 | 2 | 32 | 0 | 1 | 0 | 0 | 0 | 7 | 50 | 1 | 3 | .085 | .122 | .149 | .271 | .106 | .064 | .214 | 4.00 | 64.00 | 16.00 | 47.00 | |
| 1972 | Oakland Athletics | AL | MLB | OAK | 24 | 34 | P | 7 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 1 | .143 | .143 | .143 | .286 | .000 | .000 | .250 | 0.00 | 42.86 | 0.00 | 0.00 | |
| 1972 | St. Louis Cardinals | NL | MLB | SLN | 35 | 34 | P | 33 | 7 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 2 | 7 | 1 | 0 | .143 | .143 | .286 | .429 | .143 | .143 | .250 | 0.00 | 42.86 | 0.00 | 0.00 | |
| 1973 | St. Louis Cardinals | NL | MLB | SLN | 35 | 35 | P | 65 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | .000 | .091 | .000 | .091 | .100 | .000 | .000 | 9.09 | 54.55 | 6.00 | 0.00 | |
| Tot: | MLB (12 yrs) | MLB | 509 | 384 | 26 | 58 | 5 | 1 | 4 | 24 | 0 | 0 | 14 | 197 | 1 | 22 | 1 | 0 | 6 | 77 | 422 | 10 | 48 | .151 | .183 | .201 | .383 | .086 | .049 | .293 | 3.32 | 46.68 | 14.07 | 96.00 | ||||||
| Tot: | AL (11 yrs) | AL | 411 | 367 | 25 | 57 | 4 | 1 | 4 | 24 | 0 | 0 | 13 | 188 | 1 | 22 | 1 | 0 | 5 | 75 | 404 | 9 | 48 | .155 | .186 | .204 | .390 | .084 | .049 | .301 | 3.22 | 46.53 | 14.46 | 91.75 | ||||||
| Tot: | NL (2 yrs) | NL | 98 | 17 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 0 | 0 | 0 | 0 | 1 | 2 | 18 | 1 | 0 | .059 | .111 | .118 | .229 | .118 | .059 | .125 | 5.56 | 50.00 | 9.00 | |||||||
| 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 |
| 1971 | Oakland Athletics | Championship Series | Playoffs | 33 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 74 | 36 | 62 | 55 | 62 | 84 | .478 |