The 26-year-old was selected in the second round of the 2010 Draft by the Panthers, but struggled as a rookie and watched as the club selected Cam Newton with the first overall pick in 2011 to replace him.
"That's what I want. The only thing I can ask for is an opportunity, a legit opportunity to compete to be a number two and hopefully work my way up," Clausen told USA Today.
"It's tough. Obviously, I'm a competitor and want to get somewhere and compete."
Clausen has thrown for 1,558 yards along with three touchdowns to nine interceptions in his 13 NFL games.