 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. This is CBS News. Sponsored by Progressive Insurance. We offer auto, home, and commercial auto insurance, plus a variety of business insurance options. Visit progressive.com today.