| 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 |
| 1965 | Kansas City Athletics | AL | MLB | KC1 | 32 | 23 | 0 | 1 | 11.05 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 7.1 | 12 | 9 | 9 | 3 | 0 | 12 | 1 | 0 | 1 | 1.64 | 14.73 | 3.68 | 0.00 | 14.73 | 11.05 | 0.00 |
| 1966 | Kansas City Athletics | AL | MLB | KC1 | 25 | 24 | 5 | 10 | 4.17 | 38 | 14 | 0 | 0 | 24 | 6 | 1 | 121.0 | 138 | 63 | 56 | 14 | 37 | 69 | 0 | 0 | 3 | 1.45 | 10.26 | 1.04 | 2.75 | 5.13 | 4.69 | 1.86 |
| 1967 | Kansas City Athletics | AL | MLB | KC1 | 25 | 25 | 5 | 8 | 3.58 | 46 | 10 | 1 | 1 | 36 | 17 | 6 | 115.2 | 106 | 59 | 46 | 15 | 35 | 83 | 3 | 0 | 6 | 1.22 | 8.25 | 1.17 | 2.72 | 6.46 | 4.59 | 2.37 |
| 1968 | Oakland Athletics | AL | MLB | OAK | 25 | 26 | 4 | 3 | 2.40 | 47 | 1 | 0 | 0 | 46 | 20 | 2 | 56.1 | 51 | 19 | 15 | 6 | 14 | 42 | 0 | 0 | 0 | 1.15 | 8.15 | 0.96 | 2.24 | 6.71 | 3.04 | 3.00 |
| 1969 | Oakland Athletics | AL | MLB | OAK | 25 | 27 | 9 | 6 | 4.14 | 60 | 0 | 0 | 0 | 60 | 27 | 9 | 78.1 | 72 | 37 | 36 | 8 | 33 | 64 | 2 | 0 | 2 | 1.34 | 8.27 | 0.92 | 3.79 | 7.35 | 4.25 | 1.94 |
| 1970 | Oakland Athletics | AL | MLB | OAK | 25 | 28 | 8 | 2 | 2.70 | 62 | 0 | 0 | 0 | 62 | 19 | 3 | 63.1 | 52 | 23 | 19 | 7 | 28 | 42 | 2 | 0 | 0 | 1.26 | 7.39 | 0.99 | 3.98 | 5.97 | 3.27 | 1.50 |
| 1971 | Oakland Athletics | AL | MLB | OAK | 25 | 29 | 1 | 0 | 3.94 | 8 | 0 | 0 | 0 | 8 | 3 | 0 | 16.0 | 18 | 7 | 7 | 1 | 2 | 4 | 0 | 0 | 1 | 1.25 | 10.13 | 0.56 | 1.13 | 2.25 | 3.94 | 2.00 |
| 1971 | Washington Senators II | AL | MLB | WS2 | 32 | 29 | 6 | 4 | 2.58 | 43 | 0 | 0 | 0 | 43 | 23 | 8 | 83.2 | 58 | 25 | 24 | 6 | 29 | 50 | 2 | 0 | 2 | 1.04 | 6.24 | 0.65 | 3.12 | 5.38 | 2.69 | 1.72 |
| 1972 | Texas Rangers | AL | MLB | TEX | 32 | 30 | 5 | 8 | 2.62 | 66 | 0 | 0 | 0 | 66 | 33 | 9 | 99.2 | 95 | 31 | 29 | 7 | 29 | 51 | 3 | 0 | 0 | 1.24 | 8.58 | 0.63 | 2.62 | 4.61 | 2.80 | 1.76 |
| 1973 | Oakland Athletics | AL | MLB | OAK | 25 | 31 | 1 | 5 | 3.69 | 36 | 3 | 0 | 0 | 33 | 11 | 2 | 78.0 | 89 | 38 | 32 | 8 | 28 | 33 | 6 | 0 | 3 | 1.50 | 10.27 | 0.92 | 3.23 | 3.81 | 4.38 | 1.18 |
| 1974 | Oakland Athletics | AL | MLB | OAK | 25 | 32 | 4 | 4 | 2.06 | 45 | 2 | 0 | 0 | 43 | 22 | 6 | 100.2 | 85 | 30 | 23 | 4 | 30 | 46 | 0 | 0 | 2 | 1.14 | 7.60 | 0.36 | 2.68 | 4.11 | 2.68 | 1.53 |
| 1975 | Oakland Athletics | AL | MLB | OAK | 25 | 33 | 9 | 1 | 2.72 | 68 | 0 | 0 | 0 | 68 | 20 | 7 | 122.1 | 105 | 44 | 37 | 6 | 43 | 58 | 3 | 0 | 0 | 1.21 | 7.72 | 0.44 | 3.16 | 4.27 | 3.24 | 1.35 |
| 1976 | Oakland Athletics | AL | MLB | OAK | 25 | 34 | 6 | 5 | 3.06 | 65 | 0 | 0 | 0 | 65 | 20 | 5 | 114.2 | 111 | 50 | 39 | 5 | 24 | 37 | 2 | 0 | 3 | 1.18 | 8.71 | 0.39 | 1.88 | 2.90 | 3.92 | 1.54 |
| 1977 | Texas Rangers | AL | MLB | TEX | 25 | 35 | 4 | 5 | 4.20 | 42 | 1 | 0 | 0 | 41 | 25 | 4 | 98.2 | 103 | 50 | 46 | 16 | 29 | 46 | 2 | 0 | 1 | 1.34 | 9.40 | 1.46 | 2.65 | 4.20 | 4.56 | 1.59 |
| 1978 | Texas Rangers | AL | MLB | TEX | 25 | 36 | 1 | 1 | 3.63 | 18 | 0 | 0 | 0 | 18 | 9 | 2 | 39.2 | 41 | 16 | 16 | 2 | 15 | 25 | 2 | 0 | 2 | 1.41 | 9.30 | 0.45 | 3.40 | 5.67 | 3.63 | 1.67 |
| 1978 | New York Yankees | AL | MLB | NYA | 36 | 36 | 0 | 0 | 4.42 | 7 | 1 | 0 | 0 | 6 | 3 | 0 | 18.1 | 21 | 9 | 9 | 4 | 8 | 9 | 1 | 0 | 0 | 1.58 | 10.31 | 1.96 | 3.93 | 4.42 | 4.42 | 1.13 |
| Tot: | MLB (14 yrs) | MLB | 68 | 63 | 3.29 | 655 | 32 | 1 | 1 | 258 | 623 | 64 | 1213.2 | 1157 | 510 | 443 | 112 | 384 | 671 | 29 | 0 | 26 | 1.27 | 8.58 | 0.83 | 2.85 | 4.98 | 3.78 | 1.75 | ||||
| Tot: | AL (14 yrs) | AL | 68 | 63 | 3.29 | 655 | 32 | 1 | 1 | 258 | 623 | 64 | 1213.2 | 1157 | 510 | 443 | 112 | 384 | 671 | 29 | 0 | 26 | 1.27 | 8.58 | 0.83 | 2.85 | 4.98 | 3.78 | 1.75 | ||||
| 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 |
| 1973 | Oakland Athletics | World Series | Playoffs | 31 | 1 | 0 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3.1 | 4 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1.50 | 10.80 | 0.00 | 2.70 | 2.70 | 0.00 | 1.00 |
| 1975 | Oakland Athletics | Championship Series | Playoffs | 33 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.29 | 9.64 | 0.00 | 1.93 | 0.00 | 0.00 | 0.00 |
| 1978 | New York Yankees | World Series | Playoffs | 36 | 0 | 0 | 11.57 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 4 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 1.71 | 15.43 | 0.00 | 0.00 | 3.86 | 0.00 | 0.00 |
| Tot: | Playoffs (3 Yrs) | Playoffs | 1 | 0 | 2.61 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 10.1 | 13 | 0 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | 1.45 | 11.32 | 0.00 | 1.74 | 1.74 | 0.00 | 1.00 |
| 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 |
| 1965 | Kansas City Athletics | AL | MLB | KC1 | 32 | 23 | P | 4 | 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 | |
| 1966 | Kansas City Athletics | AL | MLB | KC1 | 25 | 24 | P | 38 | 34 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 1 | 0 | 0 | 0 | 7 | 36 | 2 | 3 | .147 | .171 | .206 | .377 | .088 | .059 | .208 | 2.78 | 27.78 | 10.00 | 0.00 | |
| 1967 | Kansas City Athletics | AL | MLB | KC1 | 25 | 25 | P | 48 | 34 | 1 | 7 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | 0 | 0 | 11 | 35 | 2 | 5 | .206 | .206 | .324 | .530 | .118 | .118 | .231 | 0.00 | 20.00 | 0.00 | 34.00 | |
| 1968 | Oakland Athletics | AL | MLB | OAK | 25 | 26 | P | 47 | 8 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 9 | 1 | 2 | .375 | .375 | .500 | .875 | .125 | .125 | .429 | 0.00 | 11.11 | 0.00 | 0.00 | |
| 1969 | Oakland Athletics | AL | MLB | OAK | 25 | 27 | P | 60 | 12 | 2 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 4 | 14 | 0 | 4 | .333 | .357 | .333 | .690 | .083 | .000 | .364 | 7.14 | 14.29 | 2.00 | 0.00 | |
| 1970 | Oakland Athletics | AL | MLB | OAK | 25 | 28 | P | 62 | 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 | |
| 1971 | Oakland Athletics | AL | MLB | OAK | 25 | 29 | P | 8 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .333 | .333 | .333 | .666 | .000 | .000 | .500 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1971 | Washington Senators II | AL | MLB | WS2 | 32 | 29 | P | 43 | 19 | 2 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 19 | 2 | 1 | .158 | .158 | .263 | .421 | .105 | .105 | .214 | 0.00 | 26.32 | 0.00 | 0.00 | |
| 1972 | Texas Rangers | AL | MLB | TEX | 32 | 30 | P | 66 | 15 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 3 | 17 | 0 | 3 | .200 | .200 | .200 | .400 | .000 | .000 | .273 | 0.00 | 23.53 | 0.00 | 0.00 | |
| 1975 | Oakland Athletics | AL | MLB | OAK | 25 | 33 | P | 68 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (9 yrs) | MLB | 444 | 133 | 6 | 26 | 6 | 0 | 1 | 6 | 0 | 0 | 2 | 35 | 0 | 5 | 1 | 0 | 0 | 35 | 141 | 7 | 19 | .195 | .206 | .263 | .469 | .083 | .068 | .255 | 1.42 | 24.82 | 17.50 | 133.00 | ||||||
| Tot: | AL (9 yrs) | AL | 444 | 133 | 6 | 26 | 6 | 0 | 1 | 6 | 0 | 0 | 2 | 35 | 0 | 5 | 1 | 0 | 0 | 35 | 141 | 7 | 19 | .195 | .206 | .263 | .469 | .083 | .068 | .255 | 1.42 | 24.82 | 17.50 | 133.00 | ||||||
| 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 |
| 1973 | Oakland Athletics | World Series | Playoffs | 31 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 45 | 66 | 53 | 59 | 53 | 81 | .513 |