Ryan Howard retires from baseball, Baseball

Philadelphia Inquirer - Philadelphia Phillies great Ryan Howard has decided to call it a career. The former rookie of the year and MVP thanked Philly in a piece for The Players' Tribune

Ryan Howard Baseball Stats by Baseball Almanac

Phillies' Ryan Howard on memories and endings in Philadelphia - Sports Illustrated

Ryan Howard's 2006 Assault on the Marlins - Fish Stripes

Phillies' Howard Beats Out Pujols for M.V.P. of National League - The New York Times

Ryan Howard: Ex-Phillies 1B announces retirement - Sports Illustrated

Is Ryan Howard a Hall of Famer? - Sports Illustrated Inside The Phillies

Ryan Howard Announces Retirement - MLB Trade Rumors

What If Ryan Howard Never Tore His Achilles in 2011 NLDS Game 5? - Sports Illustrated Inside The Phillies

Ryan Howard and the Top 10 First Basemen in Major League Baseball, News, Scores, Highlights, Stats, and Rumors

Former Phillies great Ryan Howard officially retires from baseball

Ryan Howard hits a home run for the Gwinnett Braves

Ryan Howard – St Louis Sports Hall of Fame

Prospect Retrospective: the career of Ryan Howard - Minor League Ball