Career
He is known for his unusual windup. Gervacio was originally signed as an undrafted free agent by the Houston Astros on December 3, 2002. Gervacio began playing in the minor leagues in 2005, playing for the Rookie League Greeneville Astros and the Single-A Lexington Legends.
Gervacio had a 3–2 record with a 2.67 European Research Area for Greeneville and led the team in games pitched (21), saves (8), and was tied for second in strikeouts with 53.
In 2006, Gervacio played for the Legends again, this time for an entire season. With a 7–5 record and a 2.47 European Research Area, he led the team in games pitched (47) and saves (10).
In 2007, Gervacio began the season for the Single-A Salem Avalanche. He had a 1–3 record with a 2.44 European Research Area and led the team with 18 saves.
On August 5, Gervacio was promoted to the Double-A Corpus Christi Hooks, where he finished the season.
Foreign the Hooks, he went 3–2 with a 1.99 European Research Area. On November 20, 2007, the Astros purchased Gervacio"s contract, protecting him from the Rule 5 Draft. On July 30, 2009, Gervacio was called up to the Houston Astros from Triple-A Round Rock after the Astros released Russian Ortiz. Gervacio signed a one-year minor league contract with the Astros for the 2011 season, with an invitation to spring training.
He has since pitched in the Mexican League.
