Chicago White Sox starting pitcher Philip Humber, center, is mobbed by teammates after pitching a perfect baseball game against the Seattle Mariners, Saturday, April 21, 2012, in Seattle. The White Sox won 4-0. (AP Photo/Elaine Thompson)
White Sox's Humber tosses perfect game
Humber threw the first perfect game in the majors in almost two years, leading the Chicago White Sox to a 4-0 victory over the Seattle Mariners on Saturday, April 21, 2012.