Blue Jays retire Roy Halladay's No. 32 before Opening Day game vs. Yankees – New York Daily News
Autopsy report: Roy Halladay had morphine in his system at time of plane crash
Late MLB Pitcher Roy Halladay Is Elected Into Baseball Hall of Fame
Roy Halladay autopsy reveals morphine, Ambien
Mix of drugs found in baseball legend Roy Halladay's system after fatal plane crash – New York Daily News
Roy Halladay – Society for American Baseball Research
Roy Halladay Autopsy: Traces of Morphine In System at Time of Crash
Halladay autopsy reveals cause of death
Mix of drugs found in baseball legend Roy Halladay's system after fatal plane crash – New York Daily News