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BALTIMORE - OCTOBER 15: Ray Lewis #52 of the Baltimore Ravens enters the stadium before a game against the Carolina Panthers at M&T Bank Stadium on October 15, 2006 in Baltimore, Maryland. The Panthers defeated the Ravens 23-21. (Photo by Joe Robbins/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.