
Sonny Siebert played 12 seasons for 6 teams, including the Indians and Red Sox. He had 140 wins, 114 losses, an ERA of 3.21 and 1,512 strikeouts.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | S. Siebert | 1964 | 41 | 7 | 9 | .438 | 14 | 3.23 | 144 | 3 | 1 | 3 | 156.0 | 142 | 56 | 61 | 15 | 57 | 2 | 10 | 4 | 653 | 6 | 8.31 | 3.29 | 2.53 | 0.87 | 22.1 | 8.7 | 1.28 | .292 | 3.52 | 90 | 3.14 | 84 | 8.19 | 10.2 | ||
| 2 | S. Siebert | 1965 | 39 | 16 | 8 | .667 | 27 | 2.43 | 191 | 4 | 1 | 1 | 188.2 | 139 | 51 | 58 | 14 | 46 | 5 | 5 | 2 | 742 | 3 | 9.11 | 2.19 | 4.15 | 0.67 | 25.7 | 6.2 | 0.98 | .257 | 2.77 | 70 | 2.27 | 63 | 6.63 | 27.4 | ||
| 3 | S. Siebert | 1966 | 34 | 16 | 8 | .667 | 32 | 2.80 | 163 | 11 | 1 | 1 | 241.0 | 193 | 75 | 89 | 25 | 62 | 6 | 1 | 3 | 957 | 8 | 6.09 | 2.32 | 2.63 | 0.93 | 17.0 | 6.5 | 1.06 | .240 | 3.32 | 82 | 3.40 | 96 | 7.21 | 4.2 | ||
| 4 | S. Siebert | 1967 | 34 | 10 | 12 | .455 | 26 | 2.38 | 136 | 7 | 1 | 4 | 185.1 | 136 | 49 | 59 | 17 | 54 | 6 | 4 | 2 | 743 | 3 | 6.60 | 2.62 | 2.52 | 0.83 | 18.3 | 7.3 | 1.03 | .225 | 2.87 | 74 | 3.23 | 98 | 6.60 | 1.6 | ||
| 5 | S. Siebert | 1968 | 31 | 12 | 10 | .545 | 30 | 2.97 | 146 | 8 | 4 | 0 | 206.0 | 145 | 68 | 76 | 12 | 88 | 8 | 0 | 10 | 844 | 7 | 6.38 | 3.84 | 1.66 | 0.52 | 17.3 | 10.4 | 1.13 | .225 | 3.32 | 98 | 3.12 | 97 | 6.33 | 2 | ||
| 6 | S. Siebert | 1969 | TOT | 45 | 14 | 11 | .560 | 24 | 3.76 | 133 | 2 | 0 | 5 | 177.1 | 161 | 74 | 98 | 22 | 76 | 4 | 13 | 1 | 758 | 4 | 6.75 | 3.86 | 1.75 | 1.12 | 17.5 | 10.0 | 1.34 | .266 | 4.97 | 97 | 3.97 | 99 | 8.17 | 1.5 | |
| 7 | S. Siebert | 1970 | 33 | 15 | 8 | .652 | 33 | 3.44 | 142 | 7 | 2 | 0 | 222.2 | 207 | 85 | 98 | 29 | 60 | 6 | 0 | 2 | 916 | 9 | 5.74 | 2.43 | 2.37 | 1.17 | 15.5 | 6.6 | 1.20 | .262 | 3.96 | 87 | 3.94 | 95 | 8.37 | 5.8 | ||
| 8 | S. Siebert | 1971 | 32 | 16 | 10 | .615 | 32 | 2.91 | 131 | 12 | 4 | 0 | 235.1 | 220 | 76 | 84 | 20 | 60 | 3 | 0 | 5 | 975 | 4 | 5.01 | 2.29 | 2.18 | 0.76 | 13.4 | 6.2 | 1.19 | .263 | 3.21 | 79 | 3.24 | 86 | 8.41 | 13.7 | ||
| 9 | S. Siebert | 1972 | 32 | 12 | 12 | .500 | 30 | 3.80 | 123 | 7 | 3 | 0 | 196.1 | 204 | 83 | 105 | 17 | 59 | 7 | 0 | 4 | 852 | 4 | 5.64 | 2.70 | 2.08 | 0.78 | 14.4 | 6.9 | 1.34 | .289 | 4.81 | 117 | 3.27 | 97 | 9.35 | 2.8 | ||
| 10 | S. Siebert | 1973 | TOT | 27 | 7 | 12 | .368 | 20 | 4.06 | 81 | 1 | 1 | 2 | 122.0 | 125 | 55 | 70 | 12 | 38 | 3 | 4 | 1 | 524 | 3 | 5.98 | 2.80 | 2.13 | 0.89 | 15.5 | 7.3 | 1.34 | .290 | 5.16 | 107 | 3.52 | 93 | 9.22 | 3.4 | |
| 11 | S. Siebert | 1974 | 28 | 8 | 8 | .500 | 20 | 3.84 | 68 | 5 | 3 | 0 | 133.2 | 150 | 57 | 66 | 8 | 51 | 3 | 4 | 14 | 586 | 2 | 4.58 | 3.43 | 1.33 | 0.54 | 11.6 | 8.7 | 1.50 | .311 | 4.44 | 105 | 3.54 | 101 | 10.10 | -0.8 | ||
| 12 | S. Siebert | 1975 | TOT | 23 | 7 | 6 | .538 | 19 | 3.90 | 54 | 0 | 0 | 0 | 87.2 | 97 | 38 | 43 | 6 | 41 | 1 | 1 | 7 | 401 | 7 | 5.54 | 4.21 | 1.32 | 0.62 | 13.5 | 10.2 | 1.57 | .304 | 4.41 | 111 | 3.67 | 99 | 9.96 | 0.5 | |
| Total | 399 | 140 | 114 | .551 | 307 | 3.21 | 1,512 | 67 | 21 | 16 | 2152.0 | 1,919 | 767 | 907 | 197 | 692 | 54 | 42 | 55 | 8,951 | 60 | 6.32 | 2.89 | 2.18 | 0.82 | 16.9 | 7.7 | 1.21 | .265 | 3.79 | 91 | 3.34 | 92 | 8.03 | 72.4 |
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| AL East | W | L | PCT | GB |
|---|---|---|---|---|
1 | 0 | 1.000 | ||
0 | 0 | 0.5 | ||
0 | 0 | 0.5 | ||
0 | 0 | 0.5 | ||
0 | 0 | 0.5 | ||
| AL Central | W | L | PCT | GB |
0 | 0 | |||
0 | 0 | |||
0 | 0 | |||
0 | 0 | |||
0 | 0 | |||
| AL West | W | L | PCT | GB |
0 | 0 | |||
0 | 0 | |||
0 | 0 | |||
0 | 0 | |||
0 | 0 |









