14 / 30
BALTIMORE - SEPTEMBER 16: Linebacker Ray Lewis #52 of the Baltimore Ravens fires up his teammates against the New York Jets at M&T Bank Stadium in Baltimore, Maryland. The Ravens won 20-13. (Photo by Al Pereira/Getty Images)

Ravens star linebacker Ray Lewis to retire

Ray Lewis, who hasn't played since October because of a torn right triceps, announced he will retire after 17 seasons to spend more time with his sons. The fearsome 13-time Pro Bowl linebacker symbolizes the NFL – not just the Ravens, says Yahoo! Sports' Jason Cole, and is well known for his explosive personality.