Indianapolis Colts' Andrew Luck looks to pass during the first half of an NFL football game against the Minnesota Vikings in Indianapolis, Sunday, Sept. 16, 2012. (AP Photo/Michael Conroy)

Photo by: Michael Conroy

Indianapolis Colts' Andrew Luck looks to pass during the first half of an NFL football game against the Minnesota Vikings in Indianapolis, Sunday, Sept. 16, 2012. (AP Photo/Michael Conroy)