Isidro Márquez

Isidro Márquez
Acereros de Monclova
Pitcher / Coach
Born: (1965-05-14) May 14, 1965
Navojoa, Sonora, Mexico
Batted: Right
Threw: Right
MLB debut
April 26, 1995, for the Chicago White Sox
Last MLB appearance
May 12, 1995, for the Chicago White Sox
MLB statistics
Win–loss record0–1
Earned run average6.75
Strikeouts8
Stats at Baseball Reference 
Teams
Member of the Mexican Professional
Baseball Hall of Fame
Induction2020

Isidro Márquez Espinoza (born May 14, 1965) is a Mexican former professional baseball pitcher who currently serves as the pitching coach for the Acereros de Monclova of the Mexican League. He played in Major League Baseball (MLB) for the Chicago White Sox.

Playing career

Márquez played during one season at the major league level for the Chicago White Sox. He was purchased by the Los Angeles Dodgers from the Mexican League's Tuneros de San Luis in 1988. Márquez played his first professional season (in American baseball) with their High-A affiliate, the Bakersfield Dodgers in 1988, and his last affiliated season with the White Sox and their Triple-A Nashville Sounds in 1995.

In 2000, Márquez made a comeback with the Piratas de Campeche of the Mexican League. He pitched in Mexico through 2011.

In 2020, Márquez was inducted into the Mexican Professional Baseball Hall of Fame.[1] In 2021, the Piratas retired Márquez's 33 number.[2] On 30 October 2022, the Águilas de Mexicali also retired Márquez's 33 number.[3]

In February 2025, Márquez was selected by a committee of journalists as a pitcher for the Mexican League Centennial All-Time Team on the occasion of the league's hundredth anniversary.[4]

Coaching career

Márquez spent the 2025 season as a coach for the Toros de Tijuana of the Mexican League. On November 9, 2025, Márquez was fired by the Toros.[5]

On November 19, 2025, Márquez was hired to serve as the pitching coach for the Acereros de Monclova of the Mexican League.[6]

References

  1. ^ "Isidro Márquez nuevo inmortal". Piratas de Campeche (in Spanish). December 3, 2020. Retrieved September 7, 2022.
  2. ^ "Los Piratas de Campeche retiran el número 33 de Isidro 'Chilo' Márquez". Noticaribe (in Spanish). June 23, 2021. Retrieved July 27, 2021.
  3. ^ "Los Águilas rinden merecido homenaje a Isidro Márquez dentro de la "Serie Leyenda"" (in Spanish). Confederación de Béisbol Profesional del Caribe. October 30, 2022. Retrieved June 19, 2023.
  4. ^ "LMB: El Equipo Ideal del Centenario de la Liga Mexicana de Beisbol". MiLB.com (in Spanish). February 26, 2025. Retrieved February 27, 2025.
  5. ^ "LMB: Movimientos en listas de reserva - 9 de noviembre de 2025". lmb.com.mx (in Spanish). Retrieved January 5, 2026.
  6. ^ "LMB: Movimientos en listas de reserva - 19 de noviembre de 2025". lmb.com.mx (in Spanish). Retrieved January 5, 2026.