 Wrestling superstar and actor John Cena announces his retirement from in-ring competition. The 47-year-old says he'll compete at next year's Royal Rumble, Elimination Chamber, and WrestleMania, which will be his final events. Cena made his WWE debut in 2002. Think O'Reilly Auto Parts for all your car care needs. Get the parts and service you need fast from the professional parts people at O'Reilly Auto Parts.