Comments Share There was a perception of Matt Leinart during his time inArizona that he didn’t really care about being great, thathe was somewhat lazy and unmotivated. Released by the team just before the 2010 season, Leinartsigned with the Houston Texans — and re-signed with themin the offseason — and is now set to start for the teamin place of the injured Matt Schaub. As a guest on the SiriusXM Blitz, the 28-year-old admitted he had some thingsto learn before he could be successful. D-backs president Derrick Hall: Franchise ‘still focused on Arizona’ Top Stories Nevada officials reach out to D-backs on potential relocation Cardinals expect improving Murphy to contribute right away What an MLB source said about the D-backs’ trade haul for Greinke “I was young and I didn’t know how to prepare,” he said.“I’ve always worked hard…I just maybe haven’t shown itin all different ways.”Leinart said getting injured in 2007 forced him to tolearn what he had to do to be a good player in the NFL,and backing up a certain future Hall of Famer wasn’t a badthing, either.“I was very fortunate to learn from Kurt [Warner], to playbehind him and learn from him,” he said. Cardinals fans never really got a chance to see whatLeinart learned in his time with the team, but everyonewill have a chance to finally see what the former HeismanTrophy winner can do.