| 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 |
| 1968 | Chicago Cubs | NL | MLB | CHN | 39 | 22 | 0 | 1 | 6.75 | 7 | 1 | 0 | 0 | 6 | 2 | 0 | 13.1 | 14 | 10 | 10 | 1 | 7 | 6 | 1 | 0 | 1 | 1.58 | 9.45 | 0.68 | 4.73 | 4.05 | 6.75 | 0.86 |
| 1969 | Chicago Cubs | NL | MLB | CHN | 39 | 23 | 0 | 1 | 2.45 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 7.1 | 11 | 5 | 2 | 1 | 7 | 4 | 0 | 0 | 0 | 2.45 | 13.50 | 1.23 | 8.59 | 4.91 | 6.14 | 0.57 |
| 1970 | Chicago Cubs | NL | MLB | CHN | 39 | 24 | 0 | 2 | 6.60 | 7 | 1 | 0 | 0 | 6 | 2 | 0 | 15.0 | 17 | 11 | 11 | 2 | 9 | 9 | 2 | 0 | 1 | 1.73 | 10.20 | 1.20 | 5.40 | 5.40 | 6.60 | 1.00 |
| 1971 | California Angels | AL | MLB | CAL | 35 | 25 | 0 | 3 | 4.61 | 15 | 1 | 0 | 0 | 14 | 5 | 0 | 27.1 | 32 | 15 | 14 | 2 | 18 | 15 | 1 | 0 | 0 | 1.83 | 10.54 | 0.66 | 5.93 | 4.94 | 4.94 | 0.83 |
| 1972 | Milwaukee Brewers | AL | MLB | MIL | 49 | 26 | 0 | 1 | 7.23 | 5 | 2 | 0 | 0 | 3 | 0 | 0 | 18.2 | 26 | 18 | 15 | 2 | 8 | 13 | 1 | 0 | 0 | 1.82 | 12.54 | 0.96 | 3.86 | 6.27 | 8.68 | 1.63 |
| Tot: | MLB (5 yrs) | MLB | 0 | 8 | 5.73 | 36 | 7 | 0 | 0 | 9 | 29 | 0 | 81.2 | 100 | 59 | 52 | 8 | 49 | 47 | 5 | 0 | 2 | 1.82 | 11.02 | 0.88 | 5.40 | 5.18 | 6.50 | 0.96 | ||||
| Tot: | AL (2 yrs) | AL | 0 | 4 | 5.67 | 20 | 3 | 0 | 0 | 5 | 17 | 0 | 46.0 | 58 | 33 | 29 | 4 | 26 | 28 | 2 | 0 | 0 | 1.83 | 11.35 | 0.78 | 5.09 | 5.48 | 6.46 | 1.08 | ||||
| Tot: | NL (3 yrs) | NL | 0 | 4 | 5.80 | 16 | 4 | 0 | 0 | 4 | 12 | 0 | 35.2 | 42 | 26 | 23 | 4 | 23 | 19 | 3 | 0 | 2 | 1.82 | 10.60 | 1.01 | 5.80 | 4.79 | 6.56 | 0.83 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1968 | Chicago Cubs | NL | MLB | CHN | 39 | 22 | P | 7 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | .500 | .500 | 1.000 | 1.500 | .500 | .500 | 1.000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1969 | Chicago Cubs | NL | MLB | CHN | 39 | 23 | P | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .667 | .000 | .667 | 2.000 | .000 | .000 | 66.67 | 33.33 | 0.50 | 0.00 | |
| 1970 | Chicago Cubs | NL | MLB | CHN | 39 | 24 | P | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .333 | .000 | .333 | .500 | .000 | .000 | 33.33 | 0.00 | 0.00 | 0.00 | |
| 1971 | California Angels | AL | MLB | CAL | 35 | 25 | P | 15 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1972 | Milwaukee Brewers | AL | MLB | MIL | 49 | 26 | P | 5 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 2 | .500 | .500 | .500 | 1.000 | .000 | .000 | .500 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 36 | 11 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 14 | 1 | 2 | .273 | .429 | .364 | .792 | .364 | .091 | .375 | 21.43 | 21.43 | 1.00 | |||||||
| Tot: | AL (2 yrs) | AL | 20 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 2 | .333 | .333 | .333 | .667 | .000 | .000 | .400 | 0.00 | 16.67 | ||||||||
| Tot: | NL (3 yrs) | NL | 16 | 5 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 1 | 0 | .200 | .500 | .400 | .900 | .800 | .200 | .333 | 37.50 | 25.00 | 0.67 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 53 | 18 | 9 | 25 | 9 | 12 | .499 |