HOUSTON - SEPTEMBER 20: Billie Jean King in a match against Bobby Riggs in front of 30,472 spectators at the Houston Astrodome on September 20, 1973 in Houston, Texas. King defeated Riggs in three straight sets 6-4, 6-3, and 6-3, winning the match which came to be known as 'The Battle Of The Sexes'. (Focus on Sport/Getty Images)
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