Sergio Omar Gastélum

In this Spanish name, the first or paternal surname is Gastélum and the second or maternal family name is Galaviz.
Sergio Omar Gastélum
Leones de Yucatán
Infielder / Manager
Born: (1978-10-19) 19 October 1978
Ciudad Obregón, Sonora, Mexico
Bats: Right
Throws: Right
Medals
Men's baseball
Representing  Mexico
Central American and Caribbean Games
2010 Mayagüez Team

Sergio Omar Gastélum Galaviz (born 19 October 1978) is a Mexican professional baseball manager and former infielder, currently serving as the manager of the Leones de Yucatán of the Mexican League.

As a player, Gastélum spent his entire career in Mexico, playing in both the Mexican League (LMB), where he played 22 seasons between 1995 and 2017, and the Mexican Pacific League (LMP), where he played 20 seasons from 1997 to 2017. Since his retirement after the 2017 season, he has managed several teams in both leagues.

Playing career

Mexican League

Gastélum made his professional debut in the Mexican League in 1995 with the Tigres de México, aged 16.[1][2] He appeared in three games, recording three at bats without a hit.[3] He played for the Tigres until 2006, when he was traded to the Vaqueros Laguna, where he quickly became a key player for the Vaqueros, batting .332 with 132 hits, 59 RBI and eight home runs in 2007.[4][5]

In 2011, he joined the Guerreros de Oaxaca, playing two seasons with the team before being traded to the Diablos Rojos del México, where he played from 2013 to 2015. He did not play during the 2016 season and returned to the Diablos Rojos for his final season in 2017.[6][7]

He played a total of 22 seasons in the Mexican League, appearing in 1,675 games and recording a .310 batting average with 1,846 hits, 836 RBI and 82 home runs.[3] During his career, he won five Mexican League championships: four with the Tigres in 1997, 2000, 2001 and 2005, and one with the Diablos Rojos in 2014.[8]

Mexican Pacific League

Gastélum played in the Mexican Pacific League (LMP) from 1997 to 2017. He made his debut with the Águilas de Mexicali during the 1997–98 season and remained with the club until 2006. From 2006 to 2010, he played for the Venados de Mazatlán, followed by stints with the Tomateros de Culiacán from 2010 to 2016. He played his final season, 2016–17, with his hometown team, the Yaquis de Obregón[9]

He played a total of 20 seasons in the LMP, appearing in 838 games and recording a .253 batting average with 605 hits, 255 RBI and 32 home runs.[9]

Managerial career

Guerreros de Oaxaca

On 7 August 2018, Gastélum was appointed as manager of the Guerreros de Oaxaca of the Mexican League, replacing Joe Alvarez for the Autumn tournament. He had previously managed the Marineros de Ensenada of the Liga Norte de México. Gastélum led the team to the Serie del Rey, which they lost to the Sultanes de Monterrey, 2–4.[10][11]

In 2019, he led the Guerreros to a 68–51 record, finishing seventh in the South Division.[12]

Diablos Rojos del México

On 17 December 2019, Gastélum was announced as the manager of the Diablos Rojos del México of the Mexican League ahead of the 2020 season.[1] However, the season was cancelled due to the COVID-19 pandemic. On 29 January 2021, Gastélum was dismissed without having managed a game with the team.[13]

Sultanes de Monterrey

On 3 June 2021, Gastélum was hired as manager of the Sultanes de Monterrey of the Mexican League, replacing Homar Rojas, who left the team with a 4–8 record.[14] The Sultanes finished seventh in the North Division, failing to qualify to the postseason. On 1 December 2021, he was sacked and replaced by Roberto Kelly.[15][16]

Mariachis de Guadalajara

On 24 January 2022, Gastélum was appointed manager of the Mariachis de Guadalajara of the Mexican League ahead of the 2022 season.[17] He was unable to replicate the team’s strong performance from the previous season, when the Mariachis reached the North Division Championship Series under manager Benji Gil. Gastélum was dismissed at the end of the season, after the team finished last in the North Division with a 33–57 record.[18]

Pericos de Puebla

On 9 May 2023, Gastélum was named manager of the Pericos de Puebla of the Mexican League (LMB), replacing Héctor Hurtado, who was sacked after fifteen games and a 6–9 record.[19][20] Gastélum led the Pericos to the championship; after finishing fourth in the South Division, the team made it to the Serie del Rey, where they defeated the Algodoneros de Unión Laguna, 4–2. In doing so, Gastélum became the first Mexican manager to win an LMB championship with the Pericos, earning his first title as manager.[21][8]

In the 2024 season, Gastélum led the Pericos to a 40–31 record, finishing sixth in the South Division. The team was eliminated in the first round of the postseason, losing the series to the Diablos Rojos del México, 1–4. On 29 October 2024, he was removed from his position.[22]

Saraperos de Saltillo

On 15 May 2025, Gastélum replaced Enrique Reyes as manager of the Saraperos de Saltillo of the Mexican League, following Reyes’ departure after a 9–13 start. Gastélum led the Saraperos to a 43–49 record, finishing eighth in the North Division and failing to qualify for the postseason.[8][23] He was fired by the team on 30 October.[24]

Leones de Yucatán

On 30 October 2025, Gastélum was appointed as the manager of the Leones de Yucatán of the Mexican League ahead of the 2026 season, replacing Eliézer Alfonzo, who was reassigned as coach.[25][26][27]

Managerial statistics

Mexican League

Year Team Regular season Postseason
Games Won Lost Tied Pct. Finish Won Lost Pct. Notes
2018 Guerreros de Oaxaca 26 12 14 0 .462 5th 11 9 .550 Lost Serie del Rey (Monterrey)
2019 Guerreros de Oaxaca 120 68 51 1 .571 7th 1 4 .200 Lost First round (Yucatán)
2021 Sultanes de Monterrey 51 26 25 0 .510 7th – – – –
2022 Mariachis de Guadalajara 90 33 57 0 .367 9th – – – –
2023 Pericos de Puebla 72 40 31 1 .563 4th 15 9 .625 Won Serie del Rey (Unión Laguna)
2024 Pericos de Puebla 89 45 44 0 .506 6th 1 4 .200 Lost First round (México)
2025 Saraperos de Saltillo 70 34 36 0 .486 8th – – – –
Total[12] 518 258 258 2 .500 28 26 .519

References

  1. ^ a b "Sergio Omar Gastélum, nuevo manager de Diablos Rojos". MiLB.com (in Spanish). 17 December 2019. Retrieved 5 January 2026.
  2. ^ Juárez, Jonathan (10 November 2015). "Con Sergio Omar Gastélum". Noroeste (in Spanish). Retrieved 5 January 2026.
  3. ^ a b "Quién es quién 2018" (PDF) (in Spanish). Liga Mexicana de Beisbol. Retrieved 5 January 2026.
  4. ^ "Vaqueros toma forma y practica ya Sergio Gastelum". Mediotiempo.com (in Spanish). 21 February 2008. Retrieved 5 January 2026.
  5. ^ "Gastélum piensa en grande". El Siglo de Torreón (in Spanish). 27 November 2008. Retrieved 5 January 2026.
  6. ^ Castro, Rubén (12 September 2014). "Gastélum escribe historia con título". ESPN.com.mx (in Spanish). Retrieved 5 January 2026.
  7. ^ "Regresa Sergio Omar Gastelum a la tribu zapoteca". Quadratín Oaxaca (in Spanish). 8 November 2016. Retrieved 5 January 2026.
  8. ^ a b c Morteo, Alejandro (15 May 2025). "¿Quién es Sergio Omar Gastélum? Nuevo mánager de Saraperos de Saltillo". Vanguardia (in Spanish). Retrieved 5 January 2026.
  9. ^ a b Gastélum Duarte, Guillermo. Enciclopedia Conmemorativa del 75 Aniversario de la Liga Mexicana del Pacífico (PDF) (in Spanish). Culiacán, Sinaloa: Moby Dick Editorial. p. 362. Retrieved 5 January 2026.
  10. ^ "Sergio Gastelum, nuevo manager de Guerreros". MiLB.com (in Spanish). 7 August 2018. Retrieved 5 January 2026.
  11. ^ "Continuará Sergio Omar Gastelum como manager de Guerreros de Oaxaca". Quadratín Oaxaca (in Spanish). 12 December 2018. Retrieved 5 January 2026.
  12. ^ a b Quién es quién 2025 (in Spanish). Liga Mexicana de Beisbol. p. 575.
  13. ^ "LMB: Sergio Omar Gastélum dejó de ser manager de Diablos Rojos". Récord (in Spanish). 29 January 2021. Retrieved 5 January 2026.
  14. ^ López, Tomás (3 June 2021). "Sergio Omar Gastelum es nuevo mánager de Sultanes de Monterrey". Milenio (in Spanish). Retrieved 5 January 2026.
  15. ^ Sánchez, Arturo (1 December 2021). "Echan Sultanes a Gastélum". El Norte (in Spanish). Retrieved 5 January 2026.
  16. ^ Cedillo, Martha (2 December 2021). "Sultanes de Monterrey cesa a Omar Gastelum como entrenador". Milenio (in Spanish). Retrieved 5 January 2026.
  17. ^ "Mariachis: Sergio Omar Gastélum es el nuevo manager de Mariachis". MiLB.com (in Spanish). 24 January 2022. Archived from the original on 30 March 2025. Retrieved 5 January 2026.
  18. ^ Flores, Vanessa (7 December 2022). "Mariachis le dice adiós a Gastelum". Milenio (in Spanish). Retrieved 5 January 2026.
  19. ^ "LMB: Pericos cesa al manager y anuncia su reemplazo". Séptima Entrada (in Spanish). 9 May 2023. Retrieved 5 January 2026.
  20. ^ Valerdi, Brenda (9 May 2023). "Sergio Omar Gastélum, nuevo manager de Pericos". La Jornada de Oriente (in Spanish). Retrieved 5 January 2026.
  21. ^ Vázquez, Juan Manuel (17 September 2023). "Gastélum logra su primer título al coronarse con los Pericos". La Jornada (in Spanish). Retrieved 5 January 2026.
  22. ^ Zambrano, Jaime (29 October 2024). "Pericos de Puebla se queda sin manager: Gastélum deja a la novena verde". Milenio (in Spanish). Retrieved 5 January 2026.
  23. ^ Morteo, Alejandro (14 May 2025). "Saraperos cesa a Enrique 'Che' Reyes como mánager; Sergio Omar Gastélum asume el cargo". Vanguardia (in Spanish). Retrieved 5 January 2026.
  24. ^ "LMB: Movimientos en listas de reserva - 30 de octubre de 2025". lmb.com.mx (in Spanish). Retrieved 5 January 2026.
  25. ^ "Sergio Omar Gastélum, nuevo Mánager de los Leones de Yucatán". leones.mx (in Spanish). Leones de Yucatán. 29 October 2025. Retrieved 5 January 2026.
  26. ^ "LMB: Movimientos en listas de reserva - 30 de octubre de 2025". LMB.com.mx (in Spanish). 30 October 2025. Retrieved 5 January 2026.
  27. ^ Bargas Cicero, Antonio (30 October 2025). "Sergio Omar Gastélum buscará llevar a los Leones de nuevo a los primeros planos". La Jornada Maya (in Spanish). Retrieved 5 January 2026.
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