Bahnsen (146-149 win-loss mark in his career) has earned a 3.60 earned run average while giving up 8.7 hits per nine innings. He has a K/BB ratio of 1.47 and he has gone up against 10,701 opposing hitters in his pro baseball career. During his MLB career, Bahnsen has conceded 2,440 base knocks while he has earned 1,359 strikeouts in 2,529 frames. He has given up a total of 1,013 earned runs while holding a WHIP of 1.330 and being the owner of a FIP of 3.8.
Stan Bahnsen Stats
| Year | Team | G | IP | W | L | WHIP | ERA | H | BB | SO | FIP | SV | GS | HR | ER | R | BF | SO/W | H/9 | SO/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 574 | 2529.0 | 146 | 149 | 1.330 | 3.60 | 2,440 | 924 | 1,359 | 3.76 | 20 | 327 | 223 | 1,013 | 1,127 | 10,701 | 1.47 | 8.7 | 4.8 | |
| 1982 | TOT | 15 | 23.0 | 0 | 1 | 1.391 | 2.74 | 21 | 11 | 14 | 2.93 | 0 | 0 | 0 | 7 | 8 | 98 | 1.27 | 8.2 | 5.5 |
| 1982 | CAL | 7 | 9.2 | 0 | 1 | 2.172 | 4.66 | 13 | 8 | 5 | 4.17 | 0 | 0 | 0 | 5 | 6 | 50 | 0.63 | 12.1 | 4.7 |
| 1982 | PHI | 8 | 13.1 | 0 | 0 | 0.825 | 1.35 | 8 | 3 | 9 | 2.04 | 0 | 0 | 0 | 2 | 2 | 48 | 3.00 | 5.4 | 6.1 |
| 1981 | MON | 25 | 49.0 | 2 | 1 | 1.408 | 4.96 | 45 | 24 | 28 | 4.84 | 1 | 3 | 7 | 27 | 27 | 208 | 1.17 | 8.3 | 5.1 |
| 1980 | MON | 57 | 91.1 | 7 | 6 | 1.237 | 3.05 | 80 | 33 | 48 | 3.78 | 4 | 0 | 7 | 31 | 40 | 383 | 1.45 | 7.9 | 4.7 |
| 1979 | MON | 55 | 94.1 | 3 | 1 | 1.293 | 3.15 | 80 | 42 | 71 | 3.94 | 5 | 0 | 10 | 33 | 34 | 388 | 1.69 | 7.6 | 6.8 |
| 1978 | MON | 44 | 75.0 | 1 | 5 | 1.400 | 3.84 | 74 | 31 | 44 | 4.21 | 7 | 1 | 9 | 32 | 35 | 317 | 1.42 | 8.9 | 5.3 |
| 1977 | TOT | 34 | 149.1 | 9 | 11 | 1.453 | 5.00 | 166 | 51 | 79 | 4.38 | 1 | 24 | 19 | 83 | 92 | 647 | 1.55 | 10.0 | 4.8 |
| 1977 | OAK | 11 | 22.0 | 1 | 2 | 1.682 | 6.14 | 24 | 13 | 21 | 5.69 | 1 | 2 | 5 | 15 | 16 | 100 | 1.62 | 9.8 | 8.6 |
| 1977 | MON | 23 | 127.1 | 8 | 9 | 1.414 | 4.81 | 142 | 38 | 58 | 4.15 | 0 | 22 | 14 | 68 | 76 | 547 | 1.53 | 10.0 | 4.1 |
| 1976 | OAK | 35 | 143.0 | 8 | 7 | 1.168 | 3.34 | 124 | 43 | 82 | 3.61 | 0 | 14 | 13 | 53 | 55 | 589 | 1.91 | 7.8 | 5.2 |
| 1975 | TOT | 33 | 167.1 | 10 | 13 | 1.452 | 4.36 | 166 | 77 | 80 | 3.97 | 0 | 28 | 11 | 81 | 91 | 734 | 1.04 | 8.9 | 4.3 |
| 1975 | CHW | 12 | 67.1 | 4 | 6 | 1.752 | 6.01 | 78 | 40 | 31 | 5.32 | 0 | 12 | 9 | 45 | 49 | 313 | 0.78 | 10.4 | 4.1 |
| 1975 | OAK | 21 | 100.0 | 6 | 7 | 1.250 | 3.24 | 88 | 37 | 49 | 3.07 | 0 | 16 | 2 | 36 | 42 | 421 | 1.32 | 7.9 | 4.4 |
| 1974 | CHW | 38 | 216.1 | 12 | 15 | 1.572 | 4.70 | 230 | 110 | 102 | 4.24 | 0 | 35 | 17 | 113 | 128 | 958 | 0.93 | 9.6 | 4.2 |
| 1973 | CHW | 42 | 282.1 | 18 | 21 | 1.442 | 3.57 | 290 | 117 | 120 | 3.93 | 0 | 42 | 20 | 112 | 128 | 1,218 | 1.03 | 9.2 | 3.8 |
| 1972 | CHW | 43 | 252.1 | 21 | 16 | 1.332 | 3.60 | 263 | 73 | 157 | 3.23 | 0 | 41 | 22 | 101 | 107 | 1,075 | 2.15 | 9.4 | 5.6 |
| 1971 | NYY | 36 | 242.0 | 14 | 12 | 1.211 | 3.35 | 221 | 72 | 110 | 3.57 | 0 | 34 | 20 | 90 | 99 | 993 | 1.53 | 8.2 | 4.1 |
| 1970 | NYY | 36 | 232.2 | 14 | 11 | 1.298 | 3.33 | 227 | 75 | 116 | 3.92 | 0 | 35 | 23 | 86 | 100 | 977 | 1.55 | 8.8 | 4.5 |
| 1969 | NYY | 40 | 220.2 | 9 | 16 | 1.414 | 3.83 | 222 | 90 | 130 | 4.20 | 1 | 33 | 28 | 94 | 102 | 956 | 1.44 | 9.1 | 5.3 |
| 1968 | NYY | 37 | 267.1 | 17 | 12 | 1.062 | 2.05 | 216 | 68 | 162 | 2.64 | 0 | 34 | 14 | 61 | 72 | 1,070 | 2.38 | 7.3 | 5.5 |
| 1966 | NYY | 4 | 23.0 | 1 | 1 | 0.957 | 3.52 | 15 | 7 | 16 | 3.77 | 1 | 3 | 3 | 9 | 9 | 90 | 2.29 | 5.9 | 6.3 |
