| 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 |
| 1972 | Texas Rangers | AL | MLB | TEX | 17 | 21 | 2 | 9 | 3.78 | 24 | 16 | 1 | 0 | 8 | 3 | 0 | 104.2 | 83 | 48 | 44 | 8 | 73 | 78 | 6 | 2 | 1 | 1.49 | 7.14 | 0.69 | 6.28 | 6.71 | 4.13 | 1.07 |
| 1973 | Texas Rangers | AL | MLB | TEX | 17 | 22 | 1 | 7 | 4.76 | 21 | 5 | 1 | 0 | 16 | 10 | 1 | 70.0 | 70 | 41 | 37 | 5 | 44 | 42 | 3 | 0 | 2 | 1.63 | 9.00 | 0.64 | 5.66 | 5.40 | 5.27 | 0.95 |
| 1974 | Texas Rangers | AL | MLB | TEX | 36 | 23 | 1 | 1 | 4.88 | 18 | 0 | 0 | 0 | 18 | 10 | 0 | 31.1 | 38 | 20 | 17 | 4 | 17 | 26 | 5 | 0 | 2 | 1.76 | 10.91 | 1.15 | 4.88 | 7.47 | 5.74 | 1.53 |
| 1975 | Montreal Expos | NL | MLB | MON | 26 | 24 | 0 | 0 | 8.31 | 4 | 3 | 0 | 0 | 1 | 0 | 0 | 13.0 | 19 | 12 | 12 | 1 | 11 | 5 | 1 | 0 | 0 | 2.31 | 13.15 | 0.69 | 7.62 | 3.46 | 8.31 | 0.45 |
| 1976 | Montreal Expos | NL | MLB | MON | 26 | 25 | 9 | 12 | 3.77 | 34 | 26 | 8 | 1 | 8 | 5 | 1 | 184.0 | 182 | 84 | 77 | 7 | 92 | 79 | 5 | 0 | 4 | 1.49 | 8.90 | 0.34 | 4.50 | 3.86 | 4.11 | 0.86 |
| 1977 | Montreal Expos | NL | MLB | MON | 26 | 26 | 10 | 10 | 3.41 | 47 | 16 | 1 | 1 | 31 | 17 | 10 | 158.1 | 147 | 72 | 60 | 12 | 84 | 89 | 4 | 0 | 4 | 1.46 | 8.36 | 0.68 | 4.77 | 5.06 | 4.09 | 1.06 |
| 1978 | Baltimore Orioles | AL | MLB | BAL | 26,48 | 27 | 6 | 9 | 2.89 | 56 | 0 | 0 | 0 | 56 | 47 | 24 | 74.2 | 60 | 28 | 24 | 0 | 52 | 42 | 3 | 0 | 0 | 1.50 | 7.23 | 0.00 | 6.27 | 5.06 | 3.37 | 0.81 |
| 1979 | Baltimore Orioles | AL | MLB | BAL | 26 | 28 | 7 | 3 | 2.85 | 52 | 0 | 0 | 0 | 52 | 46 | 21 | 72.2 | 49 | 24 | 23 | 4 | 51 | 34 | 2 | 1 | 1 | 1.38 | 6.07 | 0.50 | 6.32 | 4.21 | 2.97 | 0.67 |
| 1980 | Los Angeles Dodgers | NL | MLB | LAN | 29 | 29 | 2 | 2 | 5.04 | 21 | 0 | 0 | 0 | 21 | 12 | 7 | 25.0 | 30 | 14 | 14 | 4 | 16 | 5 | 0 | 0 | 0 | 1.84 | 10.80 | 1.44 | 5.76 | 1.80 | 5.04 | 0.31 |
| 1982 | Rochester Red Wings | IL | AAA | BAL | - | 31 | 2 | 3 | 4.12 | 15 | 10 | 1 | 0 | 5 | 0 | 0 | 59.0 | 59 | 32 | 27 | 3 | 41 | 26 | 1 | 1 | 0 | 1.69 | 9.00 | 0.46 | 6.25 | 3.97 | 4.88 | 0.63 |
| 1982 | Baltimore Orioles | AL | MLB | BAL | 26 | 31 | 0 | 1 | 5.40 | 17 | 0 | 0 | 0 | 17 | 6 | 0 | 26.2 | 29 | 16 | 16 | 3 | 15 | 8 | 0 | 0 | 2 | 1.65 | 9.79 | 1.01 | 5.06 | 2.70 | 5.40 | 0.53 |
| 1983 | Hawaii Islanders | PCL | AAA | PIT | - | 32 | 4 | 2 | 3.15 | 39 | 0 | 0 | 0 | 39 | 28 | 3 | 68.2 | 54 | 27 | 24 | 5 | 41 | 32 | 4 | 0 | 0 | 1.38 | 7.08 | 0.66 | 5.37 | 4.19 | 3.54 | 0.78 |
| Tot: | MLB (10 yrs) | MLB | 38 | 54 | 3.84 | 294 | 66 | 11 | 2 | 156 | 228 | 64 | 760.1 | 707 | 359 | 324 | 48 | 455 | 408 | 29 | 3 | 16 | 1.53 | 8.37 | 0.57 | 5.39 | 4.83 | 4.25 | 0.90 | ||||
| Tot: | NL (4 yrs) | NL | 21 | 24 | 3.86 | 106 | 45 | 9 | 2 | 34 | 61 | 18 | 380.1 | 378 | 182 | 163 | 24 | 203 | 178 | 10 | 0 | 8 | 1.53 | 8.94 | 0.57 | 4.80 | 4.21 | 4.31 | 0.88 | ||||
| Tot: | AL (6 yrs) | AL | 17 | 30 | 3.81 | 188 | 21 | 2 | 0 | 122 | 167 | 46 | 380.0 | 329 | 177 | 161 | 24 | 252 | 230 | 19 | 3 | 8 | 1.53 | 7.79 | 0.57 | 5.97 | 5.45 | 4.19 | 0.91 | ||||
| Tot: | Minors (2 yrs) | Minors | 6 | 5 | 3.60 | 54 | 10 | 1 | 0 | 28 | 44 | 3 | 127.2 | 113 | 59 | 51 | 8 | 82 | 58 | 5 | 1 | 0 | 1.53 | 7.97 | 0.56 | 5.78 | 4.09 | 4.16 | 0.71 | ||||
| Tot: | AAA (2 yrs) | AAA | 6 | 5 | 3.60 | 54 | 10 | 1 | 0 | 28 | 44 | 3 | 127.2 | 113 | 59 | 51 | 8 | 82 | 58 | 5 | 1 | 0 | 1.53 | 7.97 | 0.56 | 5.78 | 4.09 | 4.16 | 0.71 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1979 | Baltimore Orioles | Championship Series | Playoffs | 28 | 1 | 1 | 6.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 5 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 2.67 | 15.00 | 0.00 | 9.00 | 0.00 | 0.00 | 0.00 |
| 1979 | Baltimore Orioles | World Series | Playoffs | 28 | 0 | 1 | 13.50 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 6 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 4.50 | 27.00 | 0.00 | 13.50 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 1 | 2 | 9.00 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 5.0 | 11 | 0 | 5 | 0 | 6 | 0 | 0 | 0 | 0 | 3.40 | 19.80 | 0.00 | 10.80 | 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 |
| 1972 | Texas Rangers | AL | MLB | TEX | 17 | 21 | P | 26 | 31 | 0 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 10 | 0 | 2 | 0 | 0 | 2 | 5 | 35 | 1 | 3 | .129 | .182 | .161 | .343 | .097 | .032 | .190 | 5.71 | 28.57 | 5.00 | 0.00 | |
| 1975 | Montreal Expos | NL | MLB | MON | 26 | 24 | P | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .333 | .333 | .333 | .666 | .000 | .000 | .333 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1976 | Montreal Expos | NL | MLB | MON | 26 | 25 | P | 34 | 52 | 7 | 11 | 2 | 0 | 0 | 3 | 0 | 0 | 5 | 13 | 0 | 4 | 0 | 0 | 0 | 13 | 61 | 2 | 9 | .212 | .281 | .250 | .531 | .135 | .038 | .282 | 8.20 | 21.31 | 2.60 | 0.00 | |
| 1977 | Montreal Expos | NL | MLB | MON | 26 | 26 | P | 47 | 47 | 2 | 9 | 0 | 0 | 1 | 5 | 0 | 0 | 2 | 10 | 0 | 4 | 1 | 0 | 0 | 12 | 54 | 1 | 8 | .191 | .220 | .255 | .475 | .106 | .064 | .216 | 3.70 | 18.52 | 5.00 | 47.00 | |
| 1980 | Los Angeles Dodgers | NL | MLB | LAN | 29 | 29 | P | 21 | 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 | |
| 1983 | Hawaii Islanders | PCL | AAA | PIT | - | 32 | P | 39 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 132 | 135 | 9 | 25 | 3 | 0 | 1 | 9 | 0 | 0 | 10 | 33 | 0 | 10 | 1 | 0 | 2 | 31 | 156 | 4 | 21 | .185 | .240 | .230 | .469 | .119 | .044 | .235 | 6.41 | 21.15 | 3.30 | 135.00 | ||||||
| Tot: | AL (1 yrs) | AL | 26 | 31 | 0 | 4 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 10 | 0 | 2 | 0 | 0 | 2 | 5 | 35 | 1 | 3 | .129 | .182 | .161 | .343 | .097 | .032 | .190 | 5.71 | 28.57 | 5.00 | |||||||
| Tot: | NL (4 yrs) | NL | 106 | 104 | 9 | 21 | 2 | 0 | 1 | 8 | 0 | 0 | 8 | 23 | 0 | 8 | 1 | 0 | 0 | 26 | 121 | 3 | 18 | .202 | .257 | .250 | .507 | .125 | .048 | .247 | 6.61 | 19.01 | 2.88 | 104.00 | ||||||
| Tot: | Minors (1 yrs) | Minors | 39 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | ||||||||
| Tot: | AAA (1 yrs) | AAA | 39 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 39 | 11 | 58 | 15 | 58 | 60 | .496 |