Indianapolis Colts' Andrew Luck (12) throws during the second half of an NFL football game against the Tennessee Titans Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Michael Conroy)

Photo by: Michael Conroy

Indianapolis Colts' Andrew Luck (12) throws during the second half of an NFL football game against the Tennessee Titans Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Michael Conroy)