| 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 |
| 1966 | Washington Senators II | AL | MLB | WS2 | 25,38 | 22 | 2 | 6 | 7.62 | 13 | 7 | 0 | 0 | 6 | 2 | 0 | 39.0 | 60 | 36 | 33 | 4 | 12 | 20 | 3 | 0 | 0 | 1.85 | 13.85 | 0.92 | 2.77 | 4.62 | 8.31 | 1.67 |
| 1967 | Washington Senators II | AL | MLB | WS2 | 27 | 23 | 3 | 1 | 1.75 | 7 | 7 | 2 | 1 | 0 | 0 | 0 | 51.1 | 38 | 12 | 10 | 3 | 10 | 25 | 0 | 0 | 0 | 0.94 | 6.66 | 0.53 | 1.75 | 4.38 | 2.10 | 2.50 |
| 1968 | Washington Senators II | AL | MLB | WS2 | 27 | 24 | 2 | 9 | 3.69 | 46 | 10 | 0 | 0 | 36 | 10 | 1 | 139.0 | 139 | 63 | 57 | 9 | 35 | 63 | 4 | 0 | 4 | 1.25 | 9.00 | 0.58 | 2.27 | 4.08 | 4.08 | 1.80 |
| 1969 | Washington Senators II | AL | MLB | WS2 | 27 | 25 | 14 | 5 | 2.19 | 31 | 26 | 5 | 2 | 5 | 3 | 1 | 193.0 | 156 | 59 | 47 | 11 | 39 | 99 | 2 | 1 | 2 | 1.01 | 7.27 | 0.51 | 1.82 | 4.62 | 2.75 | 2.54 |
| 1970 | Washington Senators II | AL | MLB | WS2 | 27 | 26 | 16 | 12 | 3.00 | 36 | 34 | 7 | 3 | 2 | 1 | 0 | 230.2 | 212 | 81 | 77 | 16 | 71 | 134 | 4 | 0 | 2 | 1.23 | 8.27 | 0.62 | 2.77 | 5.23 | 3.16 | 1.89 |
| 1971 | Washington Senators II | AL | MLB | WS2 | 27 | 27 | 12 | 16 | 3.73 | 35 | 35 | 7 | 1 | 0 | 0 | 0 | 236.2 | 245 | 110 | 98 | 29 | 71 | 113 | 2 | 0 | 5 | 1.34 | 9.32 | 1.10 | 2.70 | 4.30 | 4.18 | 1.59 |
| 1972 | Texas Rangers | AL | MLB | TEX | 27 | 28 | 8 | 10 | 3.63 | 29 | 29 | 1 | 1 | 0 | 0 | 0 | 173.1 | 183 | 87 | 70 | 11 | 48 | 105 | 2 | 0 | 6 | 1.33 | 9.50 | 0.57 | 2.49 | 5.45 | 4.52 | 2.19 |
| 1973 | Texas Rangers | AL | MLB | TEX | 27 | 29 | 2 | 5 | 4.24 | 7 | 7 | 1 | 1 | 0 | 0 | 0 | 40.1 | 42 | 24 | 19 | 6 | 17 | 14 | 2 | 0 | 1 | 1.46 | 9.37 | 1.34 | 3.79 | 3.12 | 5.36 | 0.82 |
| 1973 | Cleveland Indians | AL | MLB | CLE | 27,49 | 29 | 1 | 8 | 6.22 | 22 | 17 | 2 | 0 | 5 | 3 | 0 | 97.0 | 130 | 74 | 67 | 19 | 29 | 41 | 3 | 0 | 6 | 1.64 | 12.06 | 1.76 | 2.69 | 3.80 | 6.87 | 1.41 |
| 1974 | Cleveland Indians | AL | MLB | CLE | 27 | 30 | 7 | 5 | 4.10 | 25 | 18 | 2 | 1 | 7 | 2 | 0 | 127.1 | 126 | 69 | 58 | 13 | 29 | 56 | 3 | 1 | 1 | 1.22 | 8.91 | 0.92 | 2.05 | 3.96 | 4.88 | 1.93 |
| 1975 | Cleveland Indians | AL | MLB | CLE | 27 | 31 | 0 | 2 | 4.08 | 6 | 3 | 0 | 0 | 3 | 3 | 0 | 28.2 | 33 | 17 | 13 | 3 | 8 | 11 | 0 | 0 | 3 | 1.43 | 10.36 | 0.94 | 2.51 | 3.45 | 5.34 | 1.38 |
| 1975 | Oakland Athletics | AL | MLB | OAK | 17 | 31 | 11 | 4 | 3.52 | 22 | 21 | 2 | 0 | 1 | 0 | 0 | 122.2 | 112 | 50 | 48 | 12 | 24 | 42 | 1 | 0 | 3 | 1.11 | 8.22 | 0.88 | 1.76 | 3.08 | 3.67 | 1.75 |
| 1976 | Oakland Athletics | AL | MLB | OAK | 17 | 32 | 4 | 2 | 4.10 | 27 | 15 | 0 | 0 | 12 | 2 | 0 | 112.0 | 118 | 54 | 51 | 13 | 19 | 34 | 2 | 0 | 1 | 1.22 | 9.48 | 1.04 | 1.53 | 2.73 | 4.34 | 1.79 |
| Tot: | MLB (11 yrs) | MLB | 82 | 85 | 3.67 | 306 | 229 | 29 | 10 | 26 | 77 | 2 | 1591.0 | 1594 | 736 | 648 | 149 | 412 | 757 | 28 | 2 | 34 | 1.26 | 9.02 | 0.84 | 2.33 | 4.28 | 4.16 | 1.84 | ||||
| Tot: | AL (11 yrs) | AL | 82 | 85 | 3.67 | 306 | 229 | 29 | 10 | 26 | 77 | 2 | 1591.0 | 1594 | 736 | 648 | 149 | 412 | 757 | 28 | 2 | 34 | 1.26 | 9.02 | 0.84 | 2.33 | 4.28 | 4.16 | 1.84 | ||||
| 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 | Oakland Athletics | Championship Series | Playoffs | 31 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 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 (1 Yrs) | Playoffs | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 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 |
| 1966 | Washington Senators II | AL | MLB | WS2 | 25,38 | 22 | P | 13 | 12 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 3 | 14 | 0 | 3 | .250 | .250 | .250 | .500 | .000 | .000 | .300 | 0.00 | 14.29 | 0.00 | 0.00 | |
| 1967 | Washington Senators II | AL | MLB | WS2 | 27 | 23 | P | 8 | 15 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 2 | 0 | 0 | 1 | 3 | 18 | 0 | 3 | .200 | .250 | .200 | .450 | .067 | .000 | .250 | 5.56 | 16.67 | 3.00 | 0.00 | |
| 1968 | Washington Senators II | AL | MLB | WS2 | 27 | 24 | P | 46 | 30 | 0 | 6 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 14 | 0 | 1 | 0 | 0 | 0 | 8 | 32 | 2 | 4 | .200 | .226 | .267 | .493 | .100 | .067 | .375 | 3.13 | 43.75 | 14.00 | 0.00 | |
| 1969 | Washington Senators II | AL | MLB | WS2 | 27 | 25 | P | 32 | 64 | 3 | 6 | 1 | 0 | 0 | 4 | 0 | 0 | 7 | 26 | 0 | 5 | 0 | 0 | 0 | 7 | 76 | 1 | 5 | .094 | .183 | .109 | .292 | .125 | .015 | .158 | 9.21 | 34.21 | 3.71 | 0.00 | |
| 1970 | Washington Senators II | AL | MLB | WS2 | 27 | 26 | P | 36 | 80 | 4 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 29 | 0 | 6 | 0 | 0 | 0 | 11 | 87 | 0 | 11 | .138 | .148 | .138 | .286 | .013 | .000 | .216 | 1.15 | 33.33 | 29.00 | 0.00 | |
| 1971 | Washington Senators II | AL | MLB | WS2 | 27 | 27 | P | 35 | 75 | 5 | 7 | 1 | 0 | 0 | 3 | 0 | 0 | 8 | 31 | 0 | 5 | 0 | 0 | 1 | 8 | 88 | 1 | 6 | .093 | .181 | .107 | .288 | .120 | .014 | .159 | 9.09 | 35.23 | 3.88 | 0.00 | |
| 1972 | Texas Rangers | AL | MLB | TEX | 27 | 28 | P | 29 | 53 | 1 | 5 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 19 | 0 | 13 | 0 | 0 | 1 | 6 | 67 | 1 | 4 | .094 | .111 | .113 | .224 | .038 | .019 | .147 | 1.49 | 28.36 | 19.00 | 0.00 | |
| Tot: | MLB (7 yrs) | MLB | 199 | 329 | 14 | 41 | 5 | 0 | 0 | 14 | 0 | 0 | 19 | 124 | 0 | 34 | 0 | 0 | 3 | 46 | 382 | 5 | 36 | .125 | .172 | .140 | .312 | .073 | .015 | .200 | 4.97 | 32.46 | 6.53 | |||||||
| Tot: | AL (7 yrs) | AL | 199 | 329 | 14 | 41 | 5 | 0 | 0 | 14 | 0 | 0 | 19 | 124 | 0 | 34 | 0 | 0 | 3 | 46 | 382 | 5 | 36 | .125 | .172 | .140 | .312 | .073 | .015 | .200 | 4.97 | 32.46 | 6.53 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 22 | 83 | 42 | 65 | 42 | 73 | .457 |