HOUSTON -- The Astros placed right-hander Sammy Gervacio on the 15-day disabled list with a right shoulder posterior cuff strain following Wednesday's 10-4 loss to the San Francisco Giants. Right-hander Wilton Lopez was recalled from Triple-A Round Rock to replace Gervacio.
Gervacio, who won a spot in the bullpen after a dazzling spring, threw nine pitches in the eighth inning Wednesday in his second appearance of the season and gave up two hits, two runs (one earned) and committed a costly throwing error in one-third of an inning to suffer the loss.
The side-arming Gervacio went 1-0 with a 1.38 ERA while striking out 16 batters and walking three in 10 spring appearances.
Lopez, who will join the team Friday prior to the start of the series against the Phillies, went 0-2 with an 8.38 ERA in eight games (two starts) in 19 1/3 innings with the Astros last season. Houston claimed him off waivers from San Diego on April 10, 2009.