Ryan Howard: Ex-Phillies 1B announces retirement - Sports Illustrated
2011 NLDS -- Philadelphia Phillies 1B Ryan Howard has torn left Achilles tendon - ESPN
Former Philadelphia Phillies star Ryan Howard officially retires with 'Thank You, Philly' letter - 6abc Philadelphia
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Former slugger, first baseman Ryan Howard gives love to Phillies fans
Former Philadelphia Phillies star Ryan Howard officially retires with 'Thank You, Philly' letter - 6abc Philadelphia
Ryan Howard officially announces his retirement - NBC Sports
Ryan Howard: Rockies sign 1B to minor league deal - Sports Illustrated
Chase Utley retirement: Will slugger reach Hall of Fame? - Sports Illustrated
Ryan Howard, Phillies great, officially retires from baseball
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