Roy Halladay's perfect game (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roy Halladay's perfect game" in English language version.

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  • Sheehan, Joe (May 30, 2010). "Yes, Halladay was perfect, but he has actually pitched better games". Sports Illustrated. SI.com. Archived from the original on June 2, 2010. Retrieved October 12, 2010.

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  • Sheehan, Joe (May 30, 2010). "Yes, Halladay was perfect, but he has actually pitched better games". Sports Illustrated. SI.com. Archived from the original on June 2, 2010. Retrieved October 12, 2010.
  • Gonzalez, Alden (May 29, 2010). "Phils' Halladay throws MLB's 20th perfecto". Major League Baseball. MLB.com. Archived from the original on June 1, 2010. Retrieved May 30, 2010.
  • "Calls of Halladay's perfecto". MLB.com. May 30, 2010. Archived from the original on June 2, 2010. Retrieved October 13, 2010.
  • "Roy Halladay's 21st win seals Phillies fourth straight NL East title". ESPN.com. Associated Press. September 27, 2010. Archived from the original on July 9, 2021. Retrieved July 3, 2021.
  • "Roy Halladay throws second no-hitter in postseason history". ESPN.com. October 6, 2010. Archived from the original on August 2, 2017. Retrieved July 3, 2021.