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WASHINGTON, DC - DECEMBER 2: Troy Vincent, executive vice president of football operations for the National Football League, testifies before the Senate Commerce, Science and Transportation Committee on Capitol Hill on December 2, 2014 in Washington, DC. The committee was holding a hearing on addressing domestic violence in professional sports. (Photo by Pete Marovich/Getty Images)

WASHINGTON, DC - DECEMBER 2:  Troy Vincent, executive vice president of football operations for the National Football League, testifies before the Senate Commerce, Science and Transportation Committee on Capitol Hill on December 2, 2014 in Washington, DC. The committee was holding a hearing on addressing domestic violence in professional sports. (Photo by Pete Marovich/Getty Images)