| 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 | California | AAWU | NCAA-1 | Jr | 20 | 7 | 7 | 2.35 | 16 | 13 | 10 | 0 | 3 | 0 | 0 | 111.0 | 103 | 44 | 29 | 0 | 22 | 81 | 0 | 0 | 0 | 1.13 | 8.35 | 0.00 | 1.78 | 6.57 | 3.57 | 3.68 | |
| 1966 | Chicago Cubs | NL | MLB | CHN | 32 | 21 | 0 | 2 | 2.12 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 17.0 | 16 | 4 | 4 | 1 | 7 | 9 | 0 | 0 | 0 | 1.35 | 8.47 | 0.53 | 3.71 | 4.76 | 2.12 | 1.29 |
| 1967 | Chicago Cubs | NL | MLB | CHN | 32 | 22 | 13 | 10 | 3.20 | 35 | 30 | 7 | 0 | 5 | 1 | 0 | 205.0 | 179 | 82 | 73 | 15 | 52 | 119 | 2 | 1 | 2 | 1.13 | 7.86 | 0.66 | 2.28 | 5.22 | 3.60 | 2.29 |
| 1968 | Chicago Cubs | NL | MLB | CHN | 32 | 23 | 7 | 12 | 3.80 | 27 | 20 | 6 | 1 | 7 | 3 | 1 | 132.2 | 145 | 65 | 56 | 16 | 34 | 74 | 1 | 1 | 1 | 1.35 | 9.84 | 1.09 | 2.31 | 5.02 | 4.41 | 2.18 |
| 1969 | Chicago Cubs | NL | MLB | CHN | 32 | 24 | 3 | 5 | 5.11 | 34 | 5 | 1 | 0 | 29 | 9 | 3 | 68.2 | 72 | 43 | 39 | 13 | 21 | 39 | 1 | 0 | 1 | 1.35 | 9.44 | 1.70 | 2.75 | 5.11 | 5.64 | 1.86 |
| 1970 | St. Louis Cardinals | NL | MLB | SLN | 22 | 25 | 0 | 0 | 4.50 | 6 | 0 | 0 | 0 | 6 | 2 | 0 | 8.0 | 13 | 5 | 4 | 2 | 6 | 5 | 0 | 0 | 0 | 2.38 | 14.63 | 2.25 | 6.75 | 5.63 | 5.63 | 0.83 |
| 1970 | Montreal Expos | NL | MLB | MON | 22 | 25 | 3 | 2 | 4.08 | 8 | 6 | 2 | 0 | 2 | 0 | 0 | 46.1 | 47 | 23 | 21 | 3 | 20 | 21 | 0 | 0 | 0 | 1.45 | 9.13 | 0.58 | 3.88 | 4.08 | 4.47 | 1.05 |
| Tot: | MLB (5 yrs) | MLB | 26 | 31 | 3.71 | 113 | 63 | 16 | 1 | 15 | 50 | 4 | 477.2 | 472 | 222 | 197 | 50 | 140 | 267 | 4 | 2 | 4 | 1.28 | 8.89 | 0.94 | 2.64 | 5.03 | 4.18 | 1.91 | ||||
| Tot: | NL (5 yrs) | NL | 26 | 31 | 3.71 | 113 | 63 | 16 | 1 | 15 | 50 | 4 | 477.2 | 472 | 222 | 197 | 50 | 140 | 267 | 4 | 2 | 4 | 1.28 | 8.89 | 0.94 | 2.64 | 5.03 | 4.18 | 1.91 | ||||
| Tot: | College (1 yrs) | College | 7 | 7 | 2.35 | 16 | 13 | 10 | 0 | 0 | 3 | 0 | 111.0 | 103 | 44 | 29 | 0 | 22 | 81 | 0 | 0 | 0 | 1.13 | 8.35 | 0.00 | 1.78 | 6.57 | 3.57 | 3.68 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1966 | Chicago Cubs | NL | MLB | CHN | 32 | 21 | P | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .250 | .250 | .250 | .500 | .000 | .000 | .250 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1967 | Chicago Cubs | NL | MLB | CHN | 32 | 22 | P | 35 | 75 | 5 | 16 | 4 | 0 | 0 | 4 | 0 | 0 | 2 | 29 | 0 | 3 | 0 | 0 | 0 | 20 | 80 | 4 | 12 | .213 | .234 | .267 | .501 | .080 | .054 | .348 | 2.50 | 36.25 | 14.50 | 0.00 | |
| 1968 | Chicago Cubs | NL | MLB | CHN | 32 | 23 | P | 27 | 44 | 0 | 8 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 18 | 0 | 1 | 1 | 0 | 1 | 8 | 46 | 0 | 8 | .182 | .178 | .182 | .360 | .000 | .000 | .296 | 0.00 | 39.13 | 0.00 | 0.00 | |
| 1969 | Chicago Cubs | NL | MLB | CHN | 32 | 24 | P | 36 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 1 | 1 | 16 | 0 | 1 | .063 | .063 | .063 | .126 | .000 | .000 | .111 | 0.00 | 43.75 | 0.00 | 0.00 | |
| 1970 | St. Louis Cardinals | NL | MLB | SLN | 22 | 25 | P | 6 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .500 | .667 | .500 | 1.167 | .500 | .000 | .500 | 33.33 | 0.00 | 0.00 | 0.00 | |
| 1970 | Montreal Expos | NL | MLB | MON | 22 | 25 | P | 10 | 17 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 3 | 19 | 0 | 3 | .176 | .222 | .176 | .398 | .000 | .000 | .231 | 5.26 | 21.05 | 4.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 117 | 158 | 8 | 30 | 4 | 0 | 0 | 6 | 0 | 1 | 4 | 58 | 0 | 5 | 1 | 0 | 2 | 34 | 168 | 4 | 26 | .190 | .209 | .215 | .424 | .044 | .025 | .297 | 2.38 | 34.52 | 14.50 | |||||||
| Tot: | NL (5 yrs) | NL | 117 | 158 | 8 | 30 | 4 | 0 | 0 | 6 | 0 | 1 | 4 | 58 | 0 | 5 | 1 | 0 | 2 | 34 | 168 | 4 | 26 | .190 | .209 | .215 | .424 | .044 | .025 | .297 | 2.38 | 34.52 | 14.50 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 27 | 65 | 31 | 52 | 31 | 62 | .493 |