Between the 1986 and 1989 seasons, Frank Viola and Roger Clemens were tied for winning the most games in a season, with 24 wins.
Interpreted as:
most single season pitching wins by a player 1986 to 1989| NAME | W | SEASON | TM | L | W% | G | 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 |  | F. Viola | 24 | 1988 | 7 | .774 | 35 | 35 | 2.64 | 193 | 7 | 2 | 0 | 255.1 | 236 | 75 | 80 | 20 | 54 | 3 | 0 | 2 | 1,031 | 5 | 6.80 | 1.90 | 3.57 | 0.70 | 18.7 | 5.2 | 1.14 | .284 | 2.82 | 64 | 2.94 | 74 | 8.32 | 28.7 | |
| 2 |  | R. Clemens | 24 | 1986 | 4 | .857 | 33 | 33 | 2.48 | 238 | 10 | 1 | 0 | 254.0 | 179 | 70 | 77 | 21 | 67 | 4 | 0 | 0 | 997 | 11 | 8.43 | 2.37 | 3.55 | 0.74 | 23.9 | 6.7 | 0.97 | .237 | 2.73 | 58 | 2.80 | 69 | 6.34 | 36.3 | |
| 3 | | B. Saberhagen | 23 | 1989 | 6 | .793 | 36 | 35 | 2.16 | 193 | 12 | 4 | 0 | 262.1 | 209 | 63 | 74 | 13 | 43 | 2 | 0 | 6 | 1,021 | 8 | 6.62 | 1.48 | 4.49 | 0.45 | 18.9 | 4.2 | 0.96 | .255 | 2.54 | 56 | 2.44 | 66 | 7.17 | 36.9 | |
| 4 | | O. Hershiser | 23 | 1988 | 8 | .742 | 35 | 34 | 2.26 | 178 | 15 | 8 | 1 | 267.0 | 208 | 67 | 73 | 18 | 73 | 4 | 1 | 10 | 1,068 | 6 | 6.00 | 2.46 | 2.44 | 0.61 | 16.7 | 6.8 | 1.05 | .239 | 2.46 | 68 | 3.17 | 93 | 7.01 | 6.7 | |
| 5 | | D. Jackson | 23 | 1988 | 8 | .742 | 35 | 35 | 2.73 | 161 | 15 | 6 | 0 | 260.2 | 206 | 79 | 86 | 13 | 71 | 2 | 0 | 6 | 1,034 | 5 | 5.56 | 2.45 | 2.27 | 0.45 | 15.6 | 6.9 | 1.06 | .245 | 2.97 | 77 | 3.01 | 83 | 7.11 | 18.1 | |
| 6 | | D. Stewart | 21 | 1989 | 9 | .700 | 36 | 36 | 3.32 | 155 | 8 | 0 | 0 | 257.2 | 260 | 95 | 105 | 23 | 69 | 6 | 0 | 0 | 1,081 | 13 | 5.41 | 2.41 | 2.25 | 0.80 | 14.3 | 6.4 | 1.28 | .286 | 3.67 | 91 | 3.58 | 98 | 9.08 | 1.2 | |
| 7 | | D. Stewart | 21 | 1988 | 12 | .636 | 37 | 37 | 3.23 | 192 | 14 | 2 | 0 | 275.2 | 240 | 99 | 111 | 14 | 110 | 3 | 0 | 5 | 1,156 | 14 | 6.27 | 3.59 | 1.75 | 0.46 | 16.6 | 9.5 | 1.27 | .270 | 3.62 | 87 | 3.26 | 87 | 7.84 | 15.4 | |
| 8 |  | J. Morris | 21 | 1986 | 8 | .724 | 35 | 35 | 3.27 | 223 | 15 | 6 | 0 | 267.0 | 229 | 97 | 105 | 40 | 82 | 0 | 0 | 7 | 1,092 | 12 | 7.52 | 2.76 | 2.72 | 1.35 | 20.4 | 7.5 | 1.16 | .253 | 3.54 | 81 | 3.96 | 94 | 7.72 | 7.1 | |
| 9 | | F. Valenzuela | 21 | 1986 | 11 | .656 | 34 | 34 | 3.14 | 242 | 20 | 3 | 0 | 269.1 | 226 | 94 | 104 | 18 | 85 | 1 | 0 | 5 | 1,102 | 13 | 8.09 | 2.84 | 2.85 | 0.60 | 22.0 | 7.7 | 1.15 | .275 | 3.48 | 87 | 2.79 | 77 | 7.55 | 25.4 | |
| 10 | | M. Scott | 20 | 1989 | 10 | .667 | 33 | 32 | 3.10 | 172 | 9 | 2 | 0 | 229.0 | 180 | 79 | 87 | 23 | 62 | 3 | 1 | 12 | 924 | 7 | 6.76 | 2.44 | 2.77 | 0.90 | 18.6 | 6.7 | 1.06 | .236 | 3.42 | 93 | 3.41 | 101 | 7.07 | -1.5 | |
| 11 | | D. Cone | 20 | 1988 | 3 | .870 | 35 | 28 | 2.22 | 213 | 8 | 4 | 0 | 231.1 | 178 | 57 | 67 | 10 | 80 | 4 | 0 | 7 | 936 | 10 | 8.29 | 3.11 | 2.66 | 0.39 | 22.8 | 8.5 | 1.12 | .267 | 2.61 | 68 | 2.57 | 75 | 6.93 | 22.5 | |
| 12 | | M. Gubicza | 20 | 1988 | 8 | .714 | 35 | 35 | 2.70 | 183 | 8 | 4 | 0 | 269.2 | 237 | 81 | 94 | 11 | 83 | 6 | 0 | 3 | 1,111 | 12 | 6.11 | 2.77 | 2.20 | 0.37 | 16.5 | 7.5 | 1.19 | .273 | 3.14 | 68 | 2.92 | 77 | 7.91 | 26.6 | |
| 13 | | R. Clemens | 20 | 1987 | 9 | .690 | 36 | 36 | 2.97 | 256 | 18 | 7 | 0 | 281.2 | 248 | 93 | 100 | 19 | 83 | 9 | 0 | 4 | 1,157 | 4 | 8.18 | 2.65 | 3.08 | 0.61 | 22.1 | 7.2 | 1.18 | .290 | 3.20 | 65 | 2.90 | 66 | 7.92 | 46.6 | |
| 14 | | D. Stewart | 20 | 1987 | 13 | .606 | 37 | 37 | 3.68 | 205 | 8 | 1 | 0 | 261.1 | 224 | 107 | 121 | 24 | 105 | 6 | 0 | 2 | 1,103 | 11 | 7.06 | 3.62 | 1.95 | 0.83 | 18.6 | 9.5 | 1.26 | .262 | 4.17 | 87 | 3.76 | 87 | 7.71 | 16.5 | |
| 15 | | T. Higuera | 20 | 1986 | 11 | .645 | 34 | 34 | 2.79 | 207 | 15 | 4 | 0 | 248.1 | 226 | 77 | 84 | 26 | 74 | 3 | 0 | 5 | 1,031 | 3 | 7.50 | 2.68 | 2.80 | 0.94 | 20.1 | 7.2 | 1.21 | .277 | 3.04 | 66 | 3.38 | 82 | 8.19 | 20.2 | |
| 16 | | M. Krukow | 20 | 1986 | 9 | .690 | 34 | 34 | 3.05 | 178 | 10 | 2 | 0 | 245.0 | 204 | 83 | 90 | 24 | 55 | 4 | 0 | 4 | 987 | 4 | 6.54 | 2.02 | 3.24 | 0.88 | 18.0 | 5.6 | 1.06 | .248 | 3.31 | 85 | 3.30 | 89 | 7.49 | 10.9 | |
| 17 | | S. Davis | 19 | 1989 | 7 | .731 | 31 | 31 | 4.36 | 91 | 1 | 0 | 0 | 169.1 | 187 | 82 | 91 | 19 | 68 | 3 | 0 | 1 | 733 | 8 | 4.84 | 3.61 | 1.34 | 1.01 | 12.4 | 9.3 | 1.51 | .304 | 4.84 | 119 | 4.40 | 121 | 9.94 | -15.1 | |
| 18 |  | G. Maddux | 19 | 1989 | 12 | .613 | 35 | 35 | 2.95 | 135 | 7 | 1 | 0 | 238.1 | 222 | 78 | 90 | 13 | 82 | 6 | 0 | 13 | 1,002 | 5 | 5.10 | 3.10 | 1.65 | 0.49 | 13.5 | 8.2 | 1.28 | .273 | 3.40 | 80 | 3.44 | 93 | 8.38 | 7.2 | |
| 19 | | M. Moore | 19 | 1989 | 11 | .633 | 35 | 35 | 2.61 | 172 | 6 | 3 | 0 | 241.2 | 193 | 70 | 82 | 14 | 83 | 2 | 0 | 1 | 976 | 17 | 6.41 | 3.09 | 2.07 | 0.52 | 17.6 | 8.5 | 1.14 | .254 | 3.05 | 71 | 3.14 | 86 | 7.19 | 13.6 | |
| 20 | | R. Reuschel | 19 | 1988 | 11 | .633 | 36 | 36 | 3.12 | 92 | 7 | 2 | 0 | 245.0 | 242 | 85 | 88 | 11 | 42 | 6 | 0 | 8 | 1,000 | 4 | 3.38 | 1.54 | 2.19 | 0.40 | 9.2 | 4.2 | 1.16 | .272 | 3.23 | 93 | 3.18 | 91 | 8.89 | 8.9 | |
| 21 | | M. Langston | 19 | 1987 | 13 | .594 | 35 | 35 | 3.84 | 262 | 14 | 3 | 0 | 272.0 | 242 | 116 | 132 | 30 | 114 | 5 | 0 | 0 | 1,152 | 9 | 8.67 | 3.77 | 2.30 | 0.99 | 22.7 | 9.9 | 1.31 | .286 | 4.37 | 84 | 3.68 | 79 | 8.01 | 29.5 | |
| 22 | | J. Ballard | 18 | 1989 | 8 | .692 | 35 | 35 | 3.43 | 62 | 4 | 1 | 0 | 215.1 | 240 | 82 | 95 | 16 | 57 | 4 | 0 | 5 | 912 | 3 | 2.59 | 2.38 | 1.09 | 0.67 | 6.8 | 6.3 | 1.38 | .290 | 3.97 | 90 | 3.99 | 105 | 10.03 | -4.7 | |
| 23 | | M. Bielecki | 18 | 1989 | 7 | .720 | 33 | 33 | 3.14 | 147 | 4 | 3 | 0 | 212.1 | 187 | 74 | 82 | 16 | 81 | 0 | 0 | 8 | 882 | 9 | 6.23 | 3.43 | 1.81 | 0.68 | 16.7 | 9.2 | 1.26 | .268 | 3.48 | 85 | 3.49 | 94 | 7.93 | 5.1 | |
| 24 | | J. Magrane | 18 | 1989 | 9 | .667 | 34 | 33 | 2.91 | 127 | 9 | 3 | 0 | 234.2 | 219 | 76 | 81 | 5 | 72 | 6 | 1 | 7 | 971 | 14 | 4.87 | 2.76 | 1.76 | 0.19 | 13.1 | 7.4 | 1.24 | .281 | 3.11 | 83 | 2.95 | 83 | 8.40 | 16 | |
| 25 | | T. Browning | 18 | 1988 | 5 | .783 | 36 | 36 | 3.41 | 124 | 5 | 2 | 0 | 250.2 | 205 | 95 | 98 | 36 | 64 | 7 | 0 | 3 | 1,001 | 2 | 4.45 | 2.30 | 1.94 | 1.29 | 12.4 | 6.4 | 1.07 | .219 | 3.52 | 96 | 4.49 | 123 | 7.36 | -22.1 | |
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| NL East | W | L | PCT | GB |
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88 | 63 | .583 | ||
83 | 67 | .553 | 4.5 | |
74 | 77 | .490 | 14.0 | |
70 | 81 | .464 | 18.0 | |
69 | 81 | .460 | 18.5 | |
| NL Central | W | L | PCT | GB |
 Brewers - x | 93 | 57 | .620 | |
84 | 67 | .556 | 9.5 | |
75 | 75 | .500 | 18.0 | |
75 | 76 | .497 | 18.5 | |
70 | 80 | .467 | 23.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - x | 91 | 59 | .607 | |
82 | 68 | .547 | 9.0 | |
80 | 71 | .530 | 11.5 | |
62 | 89 | .411 | 29.5 | |
55 | 95 | .367 | 36.0 |
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