Injury-plagued NFL quarterback who took over as starter for the Arizona Cardinals in 2011 and signed with the Buffalo Bills in 2013.
He was named Conference MVP during his senior year at the University of Houston.
When he signed a two-year, $13-million contract with the Bills in March 2013, he had never played more than nine games in an NFL season.
He fathered two daughters, Kamryn and Atley, with his wife Whitney Huddleston.
He lost his starting quarterback position with the Eagles after Michael Vick was signed in 2009.