Mark Buehrle is Perfect On this day, in 2009 Mark Buehrle of the Chicago White Sox pitched a perfect game against the Tampa Bay Rays, making him just the 18th pitcher in MLB history to retire all 27 batters without a hit or error. July 23, 2009 Sport: Baseball Trivia What Are the Five Events That Make Up the Modern Olympic Pentathon? Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? sports in this article Baseball tags in this article Fan On This Day SportsEngine