| # | Name | Team | Opp | Date | Score | IP | R | H | HR | BB | K | GS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marcelo Moreno | MOR | MAU | June 20, 1903 | 1-0 | 17.0 | 0 | 4 | 0 | 2 | 4 | 134 |
| 2 | Benjamín Centeno | MAU | MOR | June 20, 1903 | 0-1 | 16.2 | 1 | 2 | 0 | 2 | 4 | 133 |
| 3 | Jeremías Cabrera | TOB | UTU | Oct. 13, 1903 | 1-0 | 16.2 | 0 | 9 | 0 | 2 | 6 | 124 |
| 4 | Enrique Marín | SGR | GUC | Aug. 5, 1903 | 1-0 | 17.0 | 0 | 11 | 0 | 2 | 7 | 123 |
| 5 | Efraín Rivera | AIB | SGR | June 25, 1903 | 1-0 | 14.0 | 0 | 2 | 0 | 2 | 7 | 123 |
| 6 | Esteban Hernández | ISA | LPI | Sept. 28, 1903 | 3-2 | 18.0 | 2 | 11 | 0 | 2 | 6 | 122 |
| 7 | Menelao Magaña | ANA | SLO | June 25, 1903 | 2-3 | 17.2 | 3 | 8 | 0 | 2 | 4 | 121 |
| 8 | Julio Ochoa | SLO | ANA | June 25, 1903 | 3-2 | 16.2 | 0 | 10 | 0 | 2 | 5 | 121 |
| 9 | Domingo Villalobos | LAJ | CBR | July 3, 1903 | 1-0 | 16.0 | 0 | 7 | 0 | 3 | 5 | 121 |
| 10 | Alberto Echeverría | AIB | SAB | Aug. 19, 1903 | 2-1 | 15.0 | 1 | 6 | 0 | 2 | 9 | 120 |
| 11 | Jesús Monge | BRR | MAY | Sept. 20, 1903 | 0-1 | 17.0 | 1 | 8 | 0 | 5 | 7 | 120 |
| 12 | Arjun Vipperla | MOR | ORO | Sept. 8, 1903 | 2-1 | 18.0 | 1 | 15 | 0 | 3 | 10 | 119 |
| 13 | Mateo Méndez | VGB | GUA | July 5, 1903 | 2-1 | 14.0 | 1 | 2 | 0 | 2 | 6 | 119 |
| 14 | Atilano Romano | JUA | NAR | Sept. 28, 1903 | 3-2 | 15.0 | 1 | 4 | 0 | 2 | 4 | 119 |
| 15 | Crispín Velasco | SLO | SSB | Oct. 3, 1903 | 3-0 | 15.2 | 0 | 10 | 0 | 2 | 8 | 118 |
| 16 | Alberto Lozano | CBR | LAJ | June 10, 1903 | 3-4 | 17.0 | 3 | 9 | 0 | 3 | 9 | 118 |
| 17 | Juan Martín | CAR | CAY | Sept. 12, 1903 | 1-0 | 13.0 | 0 | 2 | 0 | 1 | 6 | 118 |
| 18 | Alejandro Hernández | GUY | MAR | Aug. 8, 1903 | 4-0 | 15.0 | 0 | 7 | 0 | 3 | 7 | 117 |
| 19 | Apolonio Delgado | ARR | MAU | Aug. 6, 1903 | 3-0 | 13.0 | 0 | 3 | 0 | 0 | 4 | 116 |
| 20 | Pirro Arias | VGB | HAT | Sept. 28, 1903 | 1-0 | 14.0 | 0 | 6 | 0 | 0 | 4 | 116 |
| 21 | Francisco Pérez | SAB | AIB | Aug. 19, 1903 | 1-2 | 14.2 | 2 | 5 | 0 | 1 | 5 | 115 |
| 22 | Oscar Burt | CBR | LAJ | July 3, 1903 | 0-1 | 15.2 | 1 | 11 | 0 | 0 | 6 | 115 |
| 23 | Jim Schurman | MOC | RGE | Oct. 3, 1903 | 4-3 | 16.0 | 3 | 8 | 0 | 0 | 3 | 114 |
| 24 | Sancho Rodrigues | CEI | LMA | June 23, 1903 | 3-4 | 17.2 | 4 | 10 | 1 | 0 | 6 | 114 |
| 25 | Mateo Ramírez | LAR | SAL | Aug. 27, 1903 | 3-2 | 14.1 | 2 | 6 | 0 | 0 | 6 | 114 |
| 26 | Juan Ramos | GUC | SGR | Aug. 5, 1903 | 0-1 | 15.1 | 0 | 9 | 0 | 4 | 8 | 114 |
| 27 | Ezequiel Vásquez | RGE | CEI | July 18, 1903 | 1-0 | 13.0 | 0 | 7 | 0 | 0 | 10 | 114 |
| 28 | Teucro Barbosa | TOA | MAN | June 18, 1903 | 3-1 | 15.0 | 1 | 5 | 0 | 3 | 3 | 114 |
| 29 | Dylan Martin | PEN | MAU | June 24, 1903 | 0-1 | 12.2 | 1 | 1 | 0 | 2 | 6 | 113 |
| 30 | Leonel Alvarrán | COR | VIE | July 4, 1903 | 3-2 | 15.0 | 2 | 6 | 0 | 2 | 5 | 113 |