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|Full name||Omar Alejandro Esparza Morales|
|Date of birth||May 21, 1988|
|Place of birth||Tototlán, Jalisco, Mexico|
|Height||1.74 m (5 ft 8 1⁄2 in)|
|Playing position||Right Back|
|2013||→ San Luis (loan)||16||(0)|
|2015–2016||→ Pachuca (loan)||4||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 2 December 2015.
‡ National team caps and goals correct as of 16 April 2008
Esparza made his debut on October 15, 2005 against CF Monterrey, playing only 11 minutes. He had switched playing time between Chivas and CD Tapatio since then, with a brief stay in Chivas Coras in the 2005-2006 season.
He took part in Chivas's Championship win in the Apertura 2006.
Esparza was given high praise by Mexico coach Javier Aguirre for his performances and was expected to cement a place in the 2010 World Cup starting line-up. However a knee injury picked up in the final game of the season ended his world cup hopes and he is not expected to be back in full training until June 2010.
Omar Esparza has played with the Mexico national football team in three categories.
He was present with the Mexico U-17 Team, in which he and his team mates won the U-17 World Cup in Peru in 2005. He played in the 2005 FIFA U-17 World Championship Match where Mexico obtained the cup against Brazil. The score was 3-0, and Esparza scored the 2nd goal of the final.
He has also played with U-20 in the FIFA U-20 World Cup that was held in Canada where he was an important player. Mexico played well but was eliminated by Argentina in the quarter finals, losing 1-0 thanks to a goal scored by Maximiliano Moralez after bouncing the ball off a Mexican defender in the 45th minute .
On August 22, 2007 Esparza made his first appearance for the senior side.
As of 16 April 2008
|1.||22 August 2007||Dick's Sporting Goods Park, Commerce City, United States||Colombia||0–1||Friendly|
|2.||9 September 2007||Estadio Cuauhtemoc, Puebla, Mexico||Panama||1–0||Friendly|
|3.||17 October 2007||Los Angeles Memorial Coliseum, Los Angeles, United States||Guatemala||2–3||Friendly|
|4.||16 April 2008||Qwest Field, Seattle, United States||China PR||1–0||Friendly|
- Mexico U17