Roy Halladay - Wikipedia
Roy Halladay - Philadelphia Phillies Starting Pitcher - ESPN
Roy Halladay - Wikipedia
Roy Halladay News, Photos, Quotes, Video
Chasing Perfection: An Inside Look at Baseball's Perfect Games
Roy Halladay's 2010 Playoff No Hitter
60 Moments: No. 7, Armando Galarraga's imperfect game - The Athletic
Halladay throws no-hitter in first postseason appearance
Don Larsen's perfect game - Wikiwand