Palmer was also a member of the Arizona Rattlers, Cincinnati Bengals, Sacramento Mountain Lions, Jacksonville Jaguars, Chicago Bears, Buffalo Bills, and Tennessee Titans.

Their only score of the scrimmage was on a 24-yard touchdown pass from Palmer to rookie wide receiver Burl Toler.

On November 21, 2010, the Palmer brothers became the first pair in NFL history to play quarterback in the same game for the same team, in a loss to the Buffalo Bills.

[10] Palmer signed with the Chicago Bears on August 16, 2013, after third-string QB Matt Blanchard broke his hand.

[14] Two days before the start of the 2014 free agency period, Palmer re-signed with the Bears on a one-year deal.

[18] On December 15, 2014, Palmer signed with the Tennessee Titans for the remainder of the 2014 season after Jake Locker was placed on IR.

[20] Palmer worked as a quarterbacks coach at EXOS, an NFL Draft training center in Carlsbad, California, in early 2014.

[22] As the founder of QB Summit, an in-person Orange County, California, quarterback consulting program and online digital platform,[23] Palmer tutored players including Patrick Mahomes, Deshaun Watson, Josh Allen, Sam Darnold, Joe Burrow, Kyle Allen, and Bo Nix, among others.