FILE - At left, in a Jan. 12, 2014 file photo, San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after scoring a touchdown against the Carolina Panthers during the second half of a divisional playoff NFL football game, in Charlotte, N.C. At right, in a Sept. 22, 2013 file photo, Carolina Panthers' Cam Newton (1) celebrates his touchdown run against the New York Giants during the second half of an NFL football game in Charlotte, N.C. Kaepernick did the ultimate in-your-face touchdown celebration last weekend, imitating Newton's Superman pose after he scored a touchdown for the 49ers in their win at Carolina. (AP Photo/File)