However, he lost the starting job in training camp to veteran Derek Anderson, who signed with the Cardinals as a free agent before the 2010 season.

Brynn currently lives with her parents and the baby, Cole Cameron Leinart, as Matt plays with the NFL's Arizona Cardinals.

He likes that Hollywood stuff and I don't like that." Hey, lighten up. In any case, Matt Leinart will join his Cardinals teammates at training camp in late July. "It's hard, but I have to raise Cole to be a strong, secure kid so he knows what's right and wrong, what's good and bad and what matters in life, which isn't what's going on with [celebrity gossip] or who's dating who," says Cameron.

He played college football at the University of Southern California (USC) from 2001 to 2005.

He was the starting quarterback for the Trojans in 2003, 2004, and 2005. Leinart played professionally in the National Football League (NFL) for the Arizona Cardinals (2006–2009), Houston Texans (2010–2011), Oakland Raiders (2012), and Buffalo Bills (2013).

Wearing number 7, he was chosen as the Gatorade California high school football player of the year.

However, after Hackett and most of his staff were fired in 2000, Leinart considered other programs such as Georgia Tech and Arizona State and visited Oklahoma before USC eventually hired Pete Carroll.After some speculation, Leinart agreed to a one-year deal with the Houston Texans on September 6, 2010.On November 14, 2011, it was announced starting QB Matt Schaub had injured his foot and was out a few weeks, as of November 14, coach Gary Kubiak planned on Leinart starting the next game after the bye week versus Jacksonville.Despite possessing what draft experts believed was a good frame for a quarterback (6'-5", 230 pounds), they believed his lack of a strong throwing arm, such as that possessed by his predecessor, Carson Palmer (now with the Cincinnati Bengals), would be a detriment in his professional career.After Kurt Warner's retirement, Leinart was named the presumptive starter.Matt Leinart is an American football quarterback who plays for the Buffalo Bills. He was selected in the first round of the 2006 NFL Draft as the tenth pick (10th overall) by the Arizona Cardinals. Leinart played college football at the University of Southern California.