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BALTIMORE, MD - JANUARY 13: Linebacker Ray Lewis #52 of the Baltimore Ravens reacts to the crowd while being introduced before a game against the Indianapolis Colts during the AFC Divisional playoff game on January 13, 2007 at M&T Bank Stadium in Baltimore, Maryland. The Colts won 15-6. (Photo by Rob Tringali/Sportschrome/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.