Philadelphia Phillies' Roy Halladay delivers a pitch during the first inning of a baseball game against the Florida Marlins, Saturday, May 29, 2010, in Miami. (AP Photo/Wilfredo Lee)
May 29, 2010 9:17:30 PM PDT
By TIM REYNOLDS AP Sports Writer
MIAMI - May 29, 2010 --
Philadelphia Phillies ace Roy Halladay threw the 20th perfect game in major league history, delivering the marquee performance of his All-Star career in a 1-0 win over the Florida Marlins on Saturday night.