Philadelphia Phillies great Ryan Howard announces his retirement
Ryan Howard – Society for American Baseball Research
Howard turning heads The Spokesman-Review
Is Ryan Howard a Hall of Famer? - Sports Illustrated Inside The Phillies
Ryan Howard was a sneaky good base stealer in 2009 Phillies Nation - Your source for Philadelphia Phillies news, opinion, history, rumors, events, and other fun stuff.
Baseball Hall of Fame: Jimmy Rollins, Ryan Howard on next year's ballot
Jimmy Rollins belongs in Hall of Fame but won't make it in 2023 - Sports Illustrated
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What Happened to Ryan Howard?