Denver Broncos quarterback Peyton Manning (18) before an NFL football game against the Kansas City Chiefs at Arrowhead Stadium in Kansas City, Mo., Sunday, Nov. 25, 2012. (AP Photo/AP) Photo by STF
Denver Broncos quarterback Peyton Manning throws a pass against the San Diego Chargers during the first half of an NFL football game, Monday, Oct. 15, 2012, in San Diego. (AP Photo/Denis Poroy) Photo by FRE
Denver Broncos quarterback Peyton Manning (18) changes a play at the line of scrimage against the Kansas City Chiefs during an NFL football game, Sunday, Dec. 30, 2012, in Denver. Manning led the Broncos to a 38-3 victory.(AP Photo/Jack Dempsey) Photo by FRE