Phillies retire Roy Halladay's No. 34 in tribute to late ace – The Denver Post
Brandy Halladay calls NTSB report 'painful for our family
Roy Halladay's jersey to be retired by Blue Jays on Opening Day - Sports Illustrated
MLB: Gausman to wear No. 34 in honour of Jays legend Halladay
Blue Jays' Kevin Gausman plans to wear No. 34 in honour of Roy Halladay
Roy Halladay keeps inspiring Canadian pitchers
Blue Jays retiring No. 32 for Roy Halladay
Philadelphia Phillies retire Roy Halladay's No. 34 jersey in tribute to late ace - ESPN
Toronto Blue Jays to retire Roy Halladay's No. 32
Roy Halladay's perfect game - Wikipedia
Blue Jays retire Roy Halladay's number in pre-game ceremony
Phillies retire late pitcher Roy Halladay's No. 34, the 7th player to earn honor
Retired Numbers, History
Roy Halladay deserves to be a first ballot Hall of Famer - BlueJaysNation
Phillies to retire Roy Halladay's number on 10th anniversary of perfect game