Chief Yellowhorse had a 5-3 record with an ERA of 2.98, 19 strikeouts and 1 save in 10 appearances in his rookie season in 1921.
| 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 |  | C. Yellowhorse | 1921 |  PIT | 10 | 5 | 3 | .625 | 4 | 2.98 | 19 | 1 | 0 | 1 | 48.1 | 45 | 16 | 17 | 1 | 13 | 0 | 5 | 195 | 1 | 3.54 | 2.42 | 1.46 | 0.19 | 9.7 | 6.7 | 1.20 | .272 | 3.17 | 79 | 3.39 | 87 | 8.38 | 2.7 |
Games
| NAME | DATE | SEASON | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | C. Yellowhorse | 9/16/1921 | 1921 | PIT | vs |  NYG | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | ||
| 2 | | C. Yellowhorse | 7/5/1921 | 1921 | PIT | vs |  SLN | L | 1 | 3.86 | 3 | 0 | 0 | 0 | 7.0 | 7 | 3 | 3 | 1 | 3 | 0 | 0 | 31 | 0 | |
| 3 | | C. Yellowhorse | 6/30/1921 | 1921 | PIT | vs |  CIN | W | 1 | 3.00 | 2 | 1 | 0 | 0 | 9.0 | 8 | 3 | 3 | 0 | 5 | 0 | 0 | 37 | 0 | |
| 4 | | C. Yellowhorse | 6/25/1921 | 1921 | PIT | @ | SLN | L | 1 | 7.20 | 2 | 0 | 0 | 0 | 5.0 | 5 | 4 | 4 | 0 | 1 | 0 | 0 | 19 | 0 | |
| 5 | | C. Yellowhorse | 6/20/1921 | 1921 | PIT | vs |  PHN | W | 1 | 2.25 | 7 | 0 | 0 | 0 | 8.0 | 7 | 2 | 2 | 0 | 2 | 0 | 0 | 31 | 0 | |
| 6 | | C. Yellowhorse | 6/16/1921 | 1921 | PIT | vs |  BKN | W | 0 | 0.00 | 2 | 0 | 0 | 0 | 3.0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 0 | |
| 7 | | C. Yellowhorse | 6/7/1921 | 1921 | PIT | vs |  BSN | L | 0 | 13.50 | 1 | 0 | 0 | 0 | 2.0 | 5 | 3 | 4 | 0 | 0 | 0 | 0 | 12 | 1 | |
| 8 | | C. Yellowhorse | 5/30/1921 | 1921 | PIT | vs |  CHC | W | 0 | 0.00 | 1 | 0 | 0 | 0 | 7.2 | 5 | 0 | 0 | 0 | 1 | 0 | 1 | 28 | 0 | |
| 9 | | C. Yellowhorse | 4/21/1921 | 1921 | PIT | vs | CIN | W | 0 | 2.45 | 0 | 0 | 0 | 0 | 3.2 | 4 | 1 | 1 | 0 | 1 | 0 | 1 | 15 | 0 | |
| 10 | | C. Yellowhorse | 4/15/1921 | 1921 | PIT | @ | CIN | 0 | 0.00 | 1 | 0 | 0 | 1 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | ||
| Total | 4 | 2.98 | 19 | 1 | 0 | 1 | 48.1 | 45 | 16 | 17 | 1 | 13 | 0 | 5 | 195 | 1 |
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