By Zack Meisel The Astros shuffled infielders on Thursday, as they promoted Brandon Laird from Triple-A Oklahoma City and optioned Brett Wallace. Houston also designated reliever Xavier Cedeno for assignment.
From: http://mlb.mlb.com/news/article.jsp?ymd=20130418&content_id=45130934&vkey=news_mlb&c_id=mlb