Former teammates remember Roy Halladay as Phillies retire No. 34 – Daily Local
Ranking every World Series in MLB history - ESPN
Complete List — And Quirky Nuggets — Of All 24 Perfect Games in Major League Baseball History - Fastball
Roy Halladay Looks Back on His Phillies Years - Philadelphia Magazine
Joe Torre Yankee Yapping
Roy Halladay No-Hitter and the Most Legendary MLB Playoff Pitching Performances, News, Scores, Highlights, Stats, and Rumors
Phillies to retire Roy Halladay's No. 34 on May anniversary of his perfect game
Roy Halladay Will Have Jersey Retired by Phillies
MLB power rankings: Phillies surging, Red Sox falling - Sports Illustrated
Phillies retiring Roy Halladay's No. 34 for the 2018 season
Lessons From the 2019 Baseball Hall of Fame Class - The Ringer