Former Phillies All-Star Ryan Howard announces retirement from baseball at age 38

Ryan Howard – Society for American Baseball Research

Former Phillies first baseman, 3-time All-Star Ryan Howard officially announces his retirement

Bruce Sutter, baseball Hall of Fame closer and pioneer of split-finger fastball, dead at age 69

Ranking $100 Million Contracts in MLB History, from Worst to Best, by Paul Dughi, SportsRaid

Former All-Star Ryan Howard officially announces his retirement ~ Philadelphia Baseball Review - Phillies News, Rumors and Analysis

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

Ryan Howard, Baseball Wiki

Chase Utley - Wikipedia

Ryan Howard, Phillies agree on 3-year contract

Ryan Howard - Wikipedia

Félix Hernández and the 20 other weirdest late-career team changes in MLB history - MLB Daily Dish

Ryan Howard retires from baseball, Baseball

In retirement speech, Ryan Howard urges fans to not boo struggling Phillies