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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gilberto Ramos | 1909-1910 | 10 | 6 | .625 | 3.63 | 35 | 21 | 2 | 0 | 0 | 188.1 | 195 | 76 | 5 | 90 | 129 |
| Diego Ramírez | 1909-1911 | 6 | 3 | .667 | 3.09 | 33 | 0 | 0 | 0 | 6 | 58.1 | 67 | 20 | 2 | 20 | 26 |
| Jaime Ramírez | 1909-1915 | 89 | 88 | .503 | 4.17 | 245 | 210 | 74 | 14 | 3 | 1653.2 | 1870 | 766 | 41 | 515 | 746 |
| Gervasio Reynaga | 1909-1914 | 15 | 19 | .441 | 3.63 | 106 | 22 | 6 | 0 | 8 | 319.2 | 356 | 129 | 7 | 136 | 141 |
| José Reza | 1909-1910 | 5 | 5 | .500 | 4.07 | 29 | 9 | 2 | 1 | 2 | 95.0 | 95 | 43 | 5 | 36 | 73 |
| Daniel Rivera | 1909-1909 | 4 | 3 | .571 | 5.56 | 13 | 6 | 1 | 0 | 0 | 56.2 | 71 | 35 | 3 | 23 | 32 |
| Adrasto Robles | 1909-1915 | 9 | 11 | .450 | 4.51 | 58 | 19 | 1 | 1 | 1 | 213.2 | 236 | 107 | 6 | 103 | 100 |
| Clodovindo Robles | 1909-1909 | 10 | 11 | .476 | 4.14 | 29 | 25 | 7 | 2 | 3 | 193.1 | 227 | 89 | 6 | 77 | 92 |
| Lucas Robles | 1909-1909 | 0 | 0 | .000 | 0.00 | 3 | 0 | 0 | 0 | 0 | 7.1 | 5 | 0 | 0 | 3 | 3 |
| Orlando Rocha | 1909-1915 | 39 | 47 | .453 | 4.14 | 219 | 78 | 18 | 4 | 11 | 846.0 | 1021 | 389 | 7 | 331 | 301 |
| Enrique Rodríguez | 1909-1910 | 11 | 4 | .733 | 3.36 | 42 | 19 | 4 | 0 | 3 | 169.0 | 163 | 63 | 5 | 64 | 113 |
| Higinio Rodríguez | 1909-1915 | 54 | 56 | .491 | 4.58 | 239 | 94 | 24 | 3 | 13 | 941.0 | 1191 | 479 | 18 | 391 | 357 |
| Ricardo Rojas | 1909-1911 | 43 | 28 | .606 | 3.77 | 91 | 88 | 23 | 1 | 0 | 678.2 | 733 | 284 | 21 | 286 | 416 |
| Rubén Rosado | 1909-1911 | 6 | 15 | .286 | 3.61 | 91 | 0 | 0 | 0 | 15 | 152.0 | 164 | 61 | 6 | 59 | 78 |
| Josh Rose | 1909-1912 | 2 | 8 | .200 | 3.96 | 29 | 7 | 2 | 0 | 7 | 88.2 | 90 | 39 | 5 | 42 | 54 |
| Masaru Ryu | 1911-1914 | 4 | 6 | .400 | 4.35 | 69 | 3 | 0 | 0 | 8 | 169.2 | 211 | 82 | 4 | 60 | 48 |
