Cassel came to the Chiefs in 2009 following a strong final season with the New England Patriots, but he mostly never lived up to his potential. His best season with the Chiefs was 2010 when he threw for 3,116 yards, 27 touchdowns and only seven interceptions. He was owed $7.5 million for the 2013 season, The Star reports. He played in nine games last year and missed some time with a concussion.
Of course, what Cassel will be most remembered for from his time at Arrowhead is his appearance in this hilarious K-Swiss commercial with Kenny Powers of Eastbound and Down and one of the greatest product slogans of all time. Cassel will be missed off the field, but not so much on it.