| 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 |
| 1957 | Chicago Cubs | NL | MLB | CHN | 18 | 20 | 15 | 11 | 3.58 | 38 | 32 | 7 | 3 | 6 | 3 | 0 | 229.0 | 200 | 107 | 91 | 22 | 129 | 170 | 7 | 2 | 7 | 1.44 | 7.86 | 0.86 | 5.07 | 6.68 | 4.21 | 1.32 |
| 1958 | Chicago Cubs | NL | MLB | CHN | 18 | 21 | 7 | 11 | 5.43 | 39 | 31 | 4 | 0 | 8 | 3 | 0 | 167.1 | 156 | 118 | 101 | 23 | 99 | 127 | 9 | 0 | 6 | 1.52 | 8.39 | 1.24 | 5.32 | 6.83 | 6.35 | 1.28 |
| 1959 | Chicago Cubs | NL | MLB | CHN | 30 | 22 | 1 | 2 | 5.93 | 8 | 6 | 1 | 1 | 2 | 0 | 0 | 27.1 | 25 | 19 | 18 | 5 | 26 | 15 | 2 | 0 | 0 | 1.87 | 8.23 | 1.65 | 8.56 | 4.94 | 6.26 | 0.58 |
| 1960 | Chicago Cubs | NL | MLB | CHN | 30 | 23 | 0 | 6 | 7.16 | 23 | 9 | 0 | 0 | 14 | 7 | 0 | 55.1 | 63 | 49 | 44 | 7 | 42 | 32 | 4 | 0 | 3 | 1.90 | 10.25 | 1.14 | 6.83 | 5.20 | 7.97 | 0.76 |
| 1961 | Chicago Cubs | NL | MLB | CHN | 30 | 24 | 1 | 4 | 4.22 | 35 | 8 | 0 | 0 | 27 | 12 | 0 | 98.0 | 75 | 54 | 46 | 13 | 51 | 48 | 7 | 1 | 1 | 1.29 | 6.89 | 1.19 | 4.68 | 4.41 | 4.96 | 0.94 |
| 1962 | Houston Colt 45s | NL | MLB | HOU | 36 | 25 | 1 | 0 | 7.62 | 6 | 1 | 0 | 0 | 5 | 1 | 0 | 13.0 | 12 | 12 | 11 | 1 | 9 | 10 | 2 | 0 | 0 | 1.62 | 8.31 | 0.69 | 6.23 | 6.92 | 8.31 | 1.11 |
| 1963 | Houston Colt 45s | NL | MLB | HOU | 36 | 26 | 2 | 12 | 4.98 | 27 | 14 | 2 | 1 | 13 | 6 | 0 | 97.2 | 95 | 61 | 54 | 13 | 49 | 58 | 7 | 1 | 6 | 1.47 | 8.75 | 1.20 | 4.52 | 5.34 | 5.62 | 1.18 |
| Tot: | MLB (7 yrs) | MLB | 27 | 46 | 4.78 | 176 | 101 | 14 | 5 | 32 | 75 | 0 | 687.2 | 626 | 420 | 365 | 84 | 405 | 460 | 38 | 4 | 23 | 1.50 | 8.19 | 1.10 | 5.30 | 6.02 | 5.50 | 1.14 | ||||
| Tot: | NL (7 yrs) | NL | 27 | 46 | 4.78 | 176 | 101 | 14 | 5 | 32 | 75 | 0 | 687.2 | 626 | 420 | 365 | 84 | 405 | 460 | 38 | 4 | 23 | 1.50 | 8.19 | 1.10 | 5.30 | 6.02 | 5.50 | 1.14 | ||||
| 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 |
| 1957 | Chicago Cubs | NL | MLB | CHN | 18 | 20 | P | 38 | 80 | 3 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 0 | 3 | 0 | 0 | 2 | 8 | 85 | 0 | 8 | .100 | .122 | .100 | .222 | .025 | .000 | .145 | 2.35 | 29.41 | 12.50 | 0.00 | |
| 1958 | Chicago Cubs | NL | MLB | CHN | 18 | 21 | P | 39 | 55 | 6 | 15 | 0 | 0 | 0 | 6 | 0 | 0 | 3 | 18 | 0 | 1 | 0 | 0 | 0 | 15 | 59 | 0 | 15 | .273 | .310 | .273 | .583 | .055 | .000 | .405 | 5.08 | 30.51 | 6.00 | 0.00 | |
| 1959 | Chicago Cubs | NL | MLB | CHN | 30 | 22 | P | 8 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 1 | .125 | .125 | .125 | .250 | .000 | .000 | .167 | 0.00 | 25.00 | 0.00 | 0.00 | |
| 1960 | Chicago Cubs | NL | MLB | CHN | 30 | 23 | P | 23 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 1 | .100 | .100 | .100 | .200 | .000 | .000 | .250 | 0.00 | 60.00 | 0.00 | 0.00 | |
| 1961 | Chicago Cubs | NL | MLB | CHN | 30 | 24 | P | 35 | 22 | 1 | 6 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0 | 1 | 8 | 23 | 1 | 5 | .273 | .304 | .364 | .668 | .136 | .091 | .400 | 4.35 | 30.43 | 7.00 | 0.00 | |
| 1962 | Houston Colt 45s | NL | MLB | HOU | 36 | 25 | P | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1963 | Houston Colt 45s | NL | MLB | HOU | 36 | 26 | P | 27 | 23 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | 0 | 1 | 3 | 24 | 0 | 3 | .130 | .130 | .130 | .260 | .000 | .000 | .200 | 0.00 | 33.33 | 0.00 | 0.00 | |
| Tot: | MLB (7 yrs) | MLB | 176 | 202 | 12 | 34 | 0 | 1 | 0 | 7 | 0 | 0 | 6 | 66 | 0 | 5 | 0 | 0 | 5 | 36 | 213 | 1 | 33 | .168 | .192 | .178 | .371 | .040 | .010 | .250 | 2.82 | 30.99 | 11.00 | |||||||
| Tot: | NL (7 yrs) | NL | 176 | 202 | 12 | 34 | 0 | 1 | 0 | 7 | 0 | 0 | 6 | 66 | 0 | 5 | 0 | 0 | 5 | 36 | 213 | 1 | 33 | .168 | .192 | .178 | .371 | .040 | .010 | .250 | 2.82 | 30.99 | 11.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 58 | 11 | 63 | 20 | 63 | 60 | .423 |