| 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 |
| 1967 | Maryland | ACC | NCAA-1 | 20 | 5 | 2 | 1.79 | 8 | 6 | 4 | 1 | 2 | 0 | 0 | 60.1 | 50 | 17 | 12 | 0 | 15 | 63 | 0 | 0 | 0 | 1.08 | 7.46 | 0.00 | 2.24 | 9.40 | 2.54 | 4.20 | ||
| 1968 | Maryland | ACC | NCAA-1 | 21 | 5 | 2 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 47.1 | 0 | 0 | 0 | 0 | 0 | 65 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 12.36 | 0.00 | 0.00 | ||
| 1969 | California Angels | AL | MLB | CAL | 29 | 22 | 0 | 1 | 27.00 | 3 | 0 | 0 | 0 | 3 | 1 | 0 | 2.0 | 9 | 9 | 6 | 1 | 0 | 2 | 0 | 0 | 0 | 4.50 | 40.50 | 4.50 | 0.00 | 9.00 | 40.50 | 0.00 |
| 1970 | California Angels | AL | MLB | CAL | 29 | 23 | 2 | 5 | 4.13 | 17 | 11 | 1 | 1 | 6 | 0 | 0 | 69.2 | 71 | 38 | 32 | 3 | 33 | 53 | 5 | 0 | 1 | 1.49 | 9.17 | 0.39 | 4.26 | 6.85 | 4.91 | 1.61 |
| 1971 | Chicago White Sox | AL | MLB | CHA | 24 | 24 | 15 | 15 | 2.96 | 45 | 39 | 7 | 6 | 6 | 3 | 2 | 285.2 | 273 | 111 | 94 | 16 | 74 | 206 | 6 | 1 | 2 | 1.21 | 8.60 | 0.50 | 2.33 | 6.49 | 3.50 | 2.78 |
| 1972 | Chicago White Sox | AL | MLB | CHA | 24 | 25 | 15 | 14 | 2.98 | 40 | 40 | 11 | 2 | 0 | 0 | 0 | 260.0 | 225 | 94 | 86 | 19 | 65 | 209 | 7 | 1 | 2 | 1.12 | 7.79 | 0.66 | 2.25 | 7.23 | 3.25 | 3.22 |
| 1973 | San Francisco Giants | NL | MLB | SFN | 40 | 26 | 13 | 12 | 3.90 | 35 | 34 | 6 | 1 | 1 | 0 | 0 | 224.0 | 212 | 109 | 97 | 26 | 69 | 136 | 7 | 0 | 3 | 1.25 | 8.52 | 1.04 | 2.77 | 5.46 | 4.38 | 1.97 |
| 1974 | San Francisco Giants | NL | MLB | SFN | 40 | 27 | 8 | 11 | 5.16 | 30 | 21 | 2 | 0 | 9 | 3 | 0 | 134.1 | 152 | 90 | 77 | 15 | 52 | 72 | 2 | 0 | 1 | 1.52 | 10.18 | 1.00 | 3.48 | 4.82 | 6.03 | 1.38 |
| 1975 | San Francisco Giants | NL | MLB | SFN | 40 | 28 | 2 | 3 | 6.21 | 13 | 6 | 0 | 0 | 7 | 0 | 0 | 42.0 | 57 | 33 | 29 | 6 | 18 | 13 | 0 | 0 | 1 | 1.79 | 12.21 | 1.29 | 3.86 | 2.79 | 7.07 | 0.72 |
| 1976 | Tucson Toros | PCL | AAA | OAK | - | 29 | 5 | 9 | 6.51 | 22 | 22 | 7 | 0 | 0 | 0 | 0 | 123.0 | 173 | 110 | 89 | 13 | 37 | 65 | 5 | 0 | 2 | 1.71 | 12.66 | 0.95 | 2.71 | 4.76 | 8.05 | 1.76 |
| 1983 | Charlotte O's | Sou | AA | BAL | - | 36 | 1 | 0 | 6.94 | 9 | 0 | 0 | 0 | 9 | 6 | 0 | 11.2 | 18 | 11 | 9 | 0 | 10 | 8 | 0 | 0 | 0 | 2.40 | 13.89 | 0.00 | 7.71 | 6.17 | 8.49 | 0.80 |
| Tot: | MLB (7 yrs) | MLB | 55 | 61 | 3.72 | 183 | 151 | 27 | 10 | 7 | 32 | 2 | 1017.2 | 999 | 484 | 421 | 86 | 311 | 691 | 27 | 2 | 10 | 1.29 | 8.83 | 0.76 | 2.75 | 6.11 | 4.28 | 2.22 | ||||
| Tot: | AL (4 yrs) | AL | 32 | 35 | 3.18 | 105 | 90 | 19 | 9 | 4 | 15 | 2 | 617.1 | 578 | 252 | 218 | 39 | 172 | 470 | 18 | 2 | 5 | 1.21 | 8.43 | 0.57 | 2.51 | 6.85 | 3.67 | 2.73 | ||||
| Tot: | NL (3 yrs) | NL | 23 | 26 | 4.56 | 78 | 61 | 8 | 1 | 3 | 17 | 0 | 400.1 | 421 | 232 | 203 | 47 | 139 | 221 | 9 | 0 | 5 | 1.40 | 9.46 | 1.06 | 3.12 | 4.97 | 5.22 | 1.59 | ||||
| Tot: | Minors (2 yrs) | Minors | 6 | 9 | 6.55 | 31 | 22 | 7 | 0 | 6 | 9 | 0 | 134.2 | 191 | 121 | 98 | 13 | 47 | 73 | 5 | 0 | 2 | 1.77 | 12.76 | 0.87 | 3.14 | 4.88 | 8.09 | 1.55 | ||||
| Tot: | AA (1 yrs) | AA | 1 | 0 | 6.94 | 9 | 0 | 0 | 0 | 6 | 9 | 0 | 11.2 | 18 | 11 | 9 | 0 | 10 | 8 | 0 | 0 | 0 | 2.40 | 13.89 | 0.00 | 7.71 | 6.17 | 8.49 | 0.80 | ||||
| Tot: | AAA (1 yrs) | AAA | 5 | 9 | 6.51 | 22 | 22 | 7 | 0 | 0 | 0 | 0 | 123.0 | 173 | 110 | 89 | 13 | 37 | 65 | 5 | 0 | 2 | 1.71 | 12.66 | 0.95 | 2.71 | 4.76 | 8.05 | 1.76 | ||||
| Tot: | College (2 yrs) | College | 10 | 4 | 1.00 | 8 | 6 | 4 | 1 | 0 | 2 | 0 | 107.2 | 50 | 17 | 12 | 0 | 15 | 128 | 0 | 0 | 0 | 0.60 | 4.18 | 0.00 | 1.25 | 10.70 | 1.42 | 8.53 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| 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 | California Angels | AL | MLB | CAL | 29 | 23 | P | 17 | 18 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 9 | 0 | 3 | 0 | 0 | 0 | 4 | 22 | 1 | 2 | .167 | .211 | .222 | .433 | .111 | .055 | .333 | 4.55 | 40.91 | 9.00 | 0.00 | |
| 1971 | Chicago White Sox | AL | MLB | CHA | 24 | 24 | P | 48 | 96 | 6 | 15 | 0 | 0 | 1 | 6 | 0 | 0 | 1 | 32 | 0 | 7 | 0 | 0 | 0 | 18 | 104 | 1 | 14 | .156 | .165 | .188 | .353 | .042 | .032 | .222 | 0.96 | 30.77 | 32.00 | 96.00 | |
| 1972 | Chicago White Sox | AL | MLB | CHA | 24 | 25 | P | 43 | 91 | 1 | 12 | 2 | 0 | 0 | 3 | 0 | 0 | 1 | 34 | 0 | 9 | 0 | 0 | 0 | 14 | 101 | 2 | 10 | .132 | .141 | .154 | .295 | .033 | .022 | .211 | 0.99 | 33.66 | 34.00 | 0.00 | |
| 1973 | San Francisco Giants | NL | MLB | SFN | 40 | 26 | P | 35 | 77 | 3 | 15 | 2 | 0 | 0 | 4 | 0 | 0 | 3 | 19 | 0 | 6 | 0 | 0 | 0 | 17 | 86 | 2 | 13 | .195 | .225 | .221 | .446 | .065 | .026 | .259 | 3.49 | 22.09 | 6.33 | 0.00 | |
| 1974 | San Francisco Giants | NL | MLB | SFN | 40 | 27 | P | 30 | 40 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 19 | 0 | 6 | 0 | 0 | 0 | 4 | 49 | 1 | 2 | .075 | .140 | .100 | .240 | .100 | .025 | .143 | 6.12 | 38.78 | 6.33 | 0.00 | |
| 1975 | San Francisco Giants | NL | MLB | SFN | 40 | 28 | P | 13 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | .000 | .091 | .000 | .091 | .100 | .000 | .000 | 8.33 | 33.33 | 4.00 | 0.00 | |
| Tot: | MLB (6 yrs) | MLB | 186 | 332 | 12 | 48 | 6 | 0 | 1 | 15 | 0 | 0 | 10 | 117 | 0 | 32 | 0 | 0 | 0 | 57 | 374 | 7 | 41 | .145 | .170 | .172 | .341 | .057 | .027 | .220 | 2.67 | 31.28 | 11.70 | 332.00 | ||||||
| Tot: | AL (3 yrs) | AL | 108 | 205 | 7 | 30 | 3 | 0 | 1 | 10 | 0 | 0 | 3 | 75 | 0 | 19 | 0 | 0 | 0 | 36 | 227 | 4 | 26 | .146 | .159 | .176 | .334 | .044 | .029 | .225 | 1.32 | 33.04 | 25.00 | 205.00 | ||||||
| Tot: | NL (3 yrs) | NL | 78 | 127 | 5 | 18 | 3 | 0 | 0 | 5 | 0 | 0 | 7 | 42 | 0 | 13 | 0 | 0 | 0 | 21 | 147 | 3 | 15 | .142 | .187 | .165 | .352 | .079 | .024 | .212 | 4.76 | 28.57 | 6.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 62 | 71 | 40 | 64 | 40 | 58 | .492 |