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|
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| Monday, May 2nd , 1904 |
|---|
| Released SS Marco Valdez. |
| Released SP Federico López. |
| RP Ricardo Campos joins the team. |
| RP Diego Espenoza joins the team. |
| C José Chávez joins the team. |
| C Propercio Ortega joins the team. |
| 2B Federico Romo joins the team. |
| SS Félix Ramírez joins the team. |
| LF Jesús Reyes joins the team. |
| CF Ricardo León joins the team. |
| RF Perseo Martínez joins the team. |
| 3B Rubén Medina joins the team. |
| 3B Gustavo Ayala joins the team. |
| SS Abejundio Almaraz joins the team. |
| 3B Diomedes Caraballo joins the team. |
| 2B Ángel Díaz joins the team. |
| 2B Britomaro de Anda joins the team. |
| CF Gualterio Ávila joins the team. |
| CF Noé Guillén joins the team. |
| RF Raúl Villa joins the team. |
| CF Édgar Solorzano joins the team. |
| CF Nicanor Gutiérrez joins the team. |
| RF Boanerges Hernández joins the team. |
| 3B Tiberio Garza joins the team. |
| Thursday, April 7th , 1904 |
|---|
| Promoted SP Viriato Rodríguez to Major League Utuado. |
| Monday, April 4th , 1904 |
|---|
| Received RP Vidal Escalante from Major League Utuado. |
| Received SP Viriato Rodríguez from Major League Utuado. |
| Received RP Zacarías Pérez from Major League Utuado. |
| Received 1B Milcíades Cano from Major League Utuado. |
| Received C Luis Hernández from Major League Utuado. |
| Received 1B Rubén Macías from Major League Utuado. |
| Received 2B Natalino Trujillo from Major League Utuado. |
| Received SS Marco Valdez from Major League Utuado. |
| Monday, March 28th , 1904 |
|---|
| Received RP Miguel Acevedo from Major League Utuado. |
| Received SP Celestino López from Major League Utuado. |
| Received RP Federico López from Major League Utuado. |
| Received RP Álvaro Rodríguez from Major League Utuado. |
| Received RP Carmelo Martínez from Major League Utuado. |
| Received RP Nicodemo Pantoja from Major League Utuado. |
| Received RP Ismael López from Major League Utuado. |
| Monday, March 7th , 1904 |
|---|
| Promoted RP Ismael López to Major League Utuado. |
| Monday, February 22nd , 1904 |
|---|
| Promoted RP Nicodemo Pantoja to Major League Utuado. |
| Promoted RP Álvaro Rodríguez to Major League Utuado. |
| Promoted SP Ed Ostrom to Major League Utuado. |
| Promoted SP Celestino López to Major League Utuado. |
| Promoted SP Viriato Rodríguez to Major League Utuado. |
| Promoted RP Adelino Marioni to Major League Utuado. |
| Promoted SP Javier Fajardo to Major League Utuado. |
| Promoted RP Jaime Brambila to Major League Utuado. |
| Promoted C Efraín Trejo to Major League Utuado. |
| Promoted LF Hestio Ruiz to Major League Utuado. |
| Promoted RF Juan Ocampo to Major League Utuado. |
| Promoted 2B Mateo Vásquez to Major League Utuado. |
| Promoted 1B Rubén Macías to Major League Utuado. |
| Promoted SS Marco Valdez to Major League Utuado. |
| Promoted 3B Cristóbal Benítez to Major League Utuado. |
| Promoted C Lisco Cedillo to Major League Utuado. |
| Promoted 1B Milcíades Cano to Major League Utuado. |
| Promoted C Luis Hernández to Major League Utuado. |
| Promoted RP Jorge Rivera to Major League Utuado. |
| Promoted RP Hiram Montalbán to Major League Utuado. |
| Promoted RP Miguel Acevedo to Major League Utuado. |
| Promoted RP Federico López to Major League Utuado. |
| Promoted RP Zacarías Pérez to Major League Utuado. |
| Promoted RP Carmelo Martínez to Major League Utuado. |
| Promoted RP Vidal Escalante to Major League Utuado. |
| Promoted 2B Natalino Trujillo to Major League Utuado. |
| Saturday, February 20th , 1904 |
|---|
| Received LF Hestio Ruiz from Major League Utuado. |
| Monday, February 15th , 1904 |
|---|
| Received C Lisco Cedillo from Major League Utuado. |
| Saturday, January 30th , 1904 |
|---|
| Received SP Ed Ostrom from Major League Utuado. |
| Received SP Celestino López from Major League Utuado. |
| Received RP Jaime Brambila from Major League Utuado. |
| Friday, January 29th , 1904 |
|---|
| Received RP Nicodemo Pantoja from Major League Utuado. |
| Monday, January 25th , 1904 |
|---|
| Received SP Jorge Rivera from Major League Utuado. |
| Received SP Javier Fajardo from Major League Utuado. |
| Received SP Hiram Montalbán from Major League Utuado. |
| Saturday, January 23rd , 1904 |
|---|
| Promoted C Efraín Trejo to Major League Utuado. |
| Received CL Álvaro Rodríguez from Major League Utuado. |
| Released RP Rubén García. |
| Released RF José González. |
| Released LF Luis Álvarez. |
| Released 3B Édgar Soto. |
| Released RP Fernando Jaimes. |
| Received C Efraín Trejo from Major League Utuado. |
| Received RP Adelino Marioni from Major League Utuado. |
| Promoted CF Ángel Guzmán to Major League Utuado. |
| Received 3B Cristóbal Benítez from Major League Utuado. |
| Received RF Juan Ocampo from Major League Utuado. |
| Friday, January 22nd , 1904 |
|---|
| Received SP Vidal Escalante from Major League Utuado. |
| Received RP Carmelo Martínez from Major League Utuado. |
| Received LF José González from Major League Utuado. |
| Received RP Viriato Rodríguez from Major League Utuado. |
| Received 3B Édgar Soto from Major League Utuado. |
| Received SP Fernando Jaimes from Major League Utuado. |
| Received SP Zacarías Pérez from Major League Utuado. |
| Received 1B Rubén Macías from Major League Utuado. |
| Received C Luis Hernández from Major League Utuado. |
| Received LF Luis Álvarez from Major League Utuado. |
| Received RP Miguel Acevedo from Major League Utuado. |
| Received RP Rubén García from Major League Utuado. |
| Received RP Federico López from Major League Utuado. |
| Received C Milcíades Cano from Major League Utuado. |
| Received C Efraín Trejo from Major League Utuado. |
| Thursday, January 21st , 1904 |
|---|
| Signed General Manager Premislao Romero. |
| Signed Manager Juan Soria. |
| Signed Bench Coach Ángel Dévora. |
| Signed Pitching Coach Andrónico Díaz. |
| Signed Hitting Coach Abejundio Tanguma. |
| Signed Scouting Director Carlomagno Alcántara. |
| Signed Team Trainer Apolodoro Preciado. |
| Signed 1B Coach Fulco Ramírez. |
| Signed 3B Coach Eugenio López. |
