WWE RAW Results (12/28): Del Rio Defends the U.S. Title Against John Cena, Mr. McMahon Confronts Roman Reigns, and Much More!

John Cena comes out to the ring and points out that right now would be a good time for a U.S. title open challenge, but the U.S. champion is currently Alberto Del Rio. Del Rio has not defended the U.S. title on RAW since winning it. Cena calls Del Rio a disgrace. Del Rio comes out on the ramp and the rest of the…