Haas (100-83 win-loss record in his career) holds a FIP of 3.78 while he has gone up against 6,928 hitters during his time in the majors. His earned run average is 4.01 (738 earned runs allowed) and his WHIP is 1.301. He has surrendered 1,717 hits (9.3 hits per nine innings) and has 436 free passes. Haas has thrown 1,655 frames and has accounted for 853 punch outs during his pro baseball career.
Moose Haas 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 | 266 | 1655.0 | 100 | 83 | 1.301 | 4.01 | 1,717 | 436 | 853 | 3.78 | 2 | 252 | 162 | 738 | 806 | 6,928 | 1.96 | 9.3 | 4.6 | |
| 1987 | OAK | 9 | 40.2 | 2 | 2 | 1.623 | 5.75 | 57 | 9 | 13 | 5.13 | 0 | 9 | 7 | 26 | 29 | 181 | 1.44 | 12.6 | 2.9 |
| 1986 | OAK | 12 | 72.1 | 7 | 2 | 1.065 | 2.74 | 58 | 19 | 40 | 3.21 | 0 | 12 | 4 | 22 | 23 | 290 | 2.11 | 7.2 | 5.0 |
| 1985 | MIL | 27 | 161.2 | 8 | 8 | 1.175 | 3.84 | 165 | 25 | 78 | 3.89 | 0 | 26 | 21 | 69 | 85 | 666 | 3.12 | 9.2 | 4.3 |
| 1984 | MIL | 31 | 189.1 | 9 | 11 | 1.310 | 3.99 | 205 | 43 | 84 | 3.59 | 0 | 30 | 15 | 84 | 91 | 793 | 1.95 | 9.7 | 4.0 |
| 1983 | MIL | 25 | 179.0 | 13 | 3 | 1.184 | 3.27 | 170 | 42 | 75 | 3.51 | 0 | 25 | 12 | 65 | 66 | 729 | 1.79 | 8.5 | 3.8 |
| 1982 | MIL | 32 | 193.1 | 11 | 8 | 1.402 | 4.47 | 232 | 39 | 104 | 3.30 | 1 | 27 | 15 | 96 | 101 | 825 | 2.67 | 10.8 | 4.8 |
| 1981 | MIL | 24 | 137.1 | 11 | 7 | 1.354 | 4.46 | 146 | 40 | 64 | 3.51 | 0 | 22 | 10 | 68 | 69 | 583 | 1.60 | 9.6 | 4.2 |
| 1980 | MIL | 33 | 252.1 | 16 | 15 | 1.197 | 3.10 | 246 | 56 | 146 | 3.56 | 0 | 33 | 25 | 87 | 96 | 1,023 | 2.61 | 8.8 | 5.2 |
| 1979 | MIL | 29 | 184.2 | 11 | 11 | 1.392 | 4.78 | 198 | 59 | 95 | 4.49 | 0 | 28 | 26 | 98 | 112 | 790 | 1.61 | 9.6 | 4.6 |
| 1978 | MIL | 7 | 30.2 | 2 | 3 | 1.337 | 6.16 | 33 | 8 | 32 | 3.82 | 1 | 6 | 6 | 21 | 22 | 131 | 4.00 | 9.7 | 9.4 |
| 1977 | MIL | 32 | 197.2 | 10 | 12 | 1.411 | 4.33 | 195 | 84 | 113 | 4.28 | 0 | 32 | 21 | 95 | 104 | 844 | 1.35 | 8.9 | 5.1 |
| 1976 | MIL | 5 | 16.0 | 0 | 1 | 1.500 | 3.94 | 12 | 12 | 9 | 3.76 | 0 | 2 | 0 | 7 | 8 | 73 | 0.75 | 6.8 | 5.1 |
