The Houston Texans released backup quarterback Matt Leinart on Monday."I appreciate and thank (Texans owner) Mr (Bob) McNair and the Texans organization for giving me the opportunity to play," the former Heisman Trophy winner wrote on his Twitter account. "I will miss the Texans fans and most Importantly my teammates. I have no time to get down, focus is on getting healthy and being ready to go again!"Leinart got the chance to start for Houston last season after Matt Schaub broke a bone in his right foot on Nov. 13, but the left-handed quarterback fractured his collarbone in his first start in relief on Nov. 27.The 28-year-old was selected 10th overall in the 2006 draft by the Arizona Cardinals.