Humber becomes 21st pitcher in history to throw perfect game
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Credit: Getty Images
SEATTLE, WA - APRIL 21: Starting pitcher Philip Humber #41 (R) of the Chicago White Sox is congratulated after throwing a perfect game against the Seattle Mariners at Safeco Field on April 21, 2012 in Seattle, Washington.�This was the 21st perfect game in Major League Baseball history. (Photo by Otto Greule Jr/Getty Images)
