Steve Busby played 8 seasons for the Royals. He had 70 wins, 54 losses, an ERA of 3.72 and 659 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. Busby | 1972 |  KCR | 5 | 3 | 1 | .750 | 5 | 1.58 | 31 | 3 | 0 | 0 | 40.0 | 28 | 7 | 9 | 1 | 8 | 0 | 0 | 0 | 153 | 0 | 6.98 | 1.80 | 3.88 | 0.23 | 20.3 | 5.2 | 0.90 | .239 | 2.03 | 51 | 1.77 | 55 | 6.30 | 6.3 |
| 2 | | S. Busby | 1973 | KCR | 37 | 16 | 15 | .516 | 37 | 4.23 | 174 | 7 | 1 | 0 | 238.1 | 246 | 112 | 125 | 18 | 105 | 6 | 0 | 7 | 1,037 | 9 | 6.57 | 3.97 | 1.66 | 0.68 | 16.8 | 10.1 | 1.47 | .311 | 4.72 | 108 | 3.48 | 89 | 9.29 | 11.6 |
| 3 | | S. Busby | 1974 | KCR | 38 | 22 | 14 | .611 | 38 | 3.39 | 198 | 20 | 3 | 0 | 292.1 | 284 | 110 | 118 | 14 | 92 | 9 | 0 | 6 | 1,220 | 5 | 6.10 | 2.83 | 2.15 | 0.43 | 16.2 | 7.5 | 1.29 | .298 | 3.63 | 91 | 2.87 | 81 | 8.74 | 22.1 |
| 4 | | S. Busby | 1975 | KCR | 34 | 18 | 12 | .600 | 34 | 3.08 | 160 | 18 | 3 | 0 | 260.1 | 233 | 89 | 96 | 18 | 81 | 3 | 0 | 4 | 1,064 | 8 | 5.53 | 2.80 | 1.98 | 0.62 | 15.0 | 7.6 | 1.21 | .268 | 3.32 | 79 | 3.21 | 86 | 8.06 | 15 |
| 5 | | S. Busby | 1976 | KCR | 13 | 3 | 3 | .500 | 13 | 4.40 | 29 | 1 | 0 | 0 | 71.2 | 58 | 35 | 42 | 7 | 49 | 3 | 0 | 1 | 323 | 1 | 3.64 | 6.15 | 0.59 | 0.88 | 9.0 | 15.2 | 1.49 | .217 | 5.27 | 124 | 5.27 | 152 | 7.28 | -14.7 |
| 6 | | S. Busby | 1978 | KCR | 7 | 1 | 0 | 1.000 | 5 | 7.59 | 10 | 0 | 0 | 0 | 21.1 | 24 | 18 | 18 | 2 | 15 | 2 | 1 | 1 | 104 | 0 | 4.22 | 6.33 | 0.67 | 0.84 | 9.6 | 14.4 | 1.83 | .293 | 7.59 | 200 | 5.25 | 139 | 10.13 | -3.6 |
| 7 | | S. Busby | 1979 | KCR | 22 | 6 | 6 | .500 | 12 | 3.63 | 45 | 4 | 0 | 0 | 94.1 | 71 | 38 | 45 | 10 | 64 | 0 | 5 | 3 | 405 | 1 | 4.29 | 6.11 | 0.70 | 0.95 | 11.1 | 15.8 | 1.43 | .213 | 4.29 | 85 | 5.18 | 126 | 6.77 | -11.6 |
| 8 | | S. Busby | 1980 | KCR | 11 | 1 | 3 | .250 | 6 | 6.17 | 12 | 0 | 0 | 0 | 42.1 | 59 | 29 | 30 | 3 | 19 | 2 | 2 | 0 | 199 | 4 | 2.55 | 4.04 | 0.63 | 0.64 | 6.0 | 9.5 | 1.84 | .344 | 6.38 | 151 | 4.59 | 116 | 12.54 | -3.1 |
| Total | 167 | 70 | 54 | .565 | 150 | 3.72 | 659 | 53 | 7 | 0 | 1060.2 | 1,003 | 438 | 483 | 73 | 433 | 25 | 8 | 22 | 4,505 | 28 | 5.59 | 3.67 | 1.52 | 0.62 | 14.6 | 9.6 | 1.35 | .281 | 4.10 | 97 | 3.53 | 94 | 8.51 | 22 |
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