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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marco Baca | 1909-1915 | 50 | 69 | .420 | 3.95 | 208 | 139 | 24 | 2 | 7 | 1069.0 | 1154 | 469 | 7 | 514 | 511 |
| Emilio Barragán | 1912-1915 | 0 | 0 | .000 | 0.00 | 2 | 0 | 0 | 0 | 0 | 2.1 | 0 | 0 | 0 | 1 | 0 |
| Laertes Basurto | 1909-1911 | 11 | 18 | .379 | 3.92 | 84 | 15 | 3 | 0 | 10 | 218.1 | 249 | 95 | 4 | 89 | 104 |
| Calixto Bernal | 1909-1913 | 57 | 65 | .467 | 4.11 | 184 | 144 | 31 | 5 | 2 | 1151.0 | 1294 | 525 | 38 | 427 | 521 |
| Édgar Borrego | 1909-1909 | 1 | 2 | .333 | 3.31 | 5 | 4 | 1 | 0 | 0 | 32.2 | 40 | 12 | 1 | 9 | 18 |
| Roger Bresnahan | 1909-1915 | 19 | 20 | .487 | 4.22 | 57 | 48 | 5 | 1 | 0 | 341.1 | 412 | 160 | 12 | 124 | 106 |
| Francisco Burrola | 1911-1912 | 1 | 5 | .167 | 7.11 | 13 | 5 | 0 | 0 | 1 | 50.2 | 62 | 40 | 0 | 50 | 28 |
