(AP Photo/AJ Mast)INDIANAPOLIS – Philip Rivers never flinched with the Indianapolis Colts facing a 21-0 first-half deficit Sunday. He went back to work and joined MVP quarterbacks Bert Jones and Peyton Manning in the Indianapolis Colts' record book. ... Mixon left in the first half with a right foot injury but returned at the start of the second half. ... DT Christian Covington and CB William Jackson III both got hurt in the second half and returned later. ... CB Xavier Rhodes and WR Marcus Johnson also were shaken up in the second half but returned.