Which of the following has a twin brother who plays doubles together: Gigi Fernández or Mike Bryan?
Gigi Fernández Beatriz "Gigi" Fernández (born February 22, 1964) is a former professional tennis player. She turned professional in 1983 and is the first Puerto-Rican-born athlete to win a Gold Medal, and the first to be inducted into the International Tennis Hall of Fame.
Mike Tyson (baseball) Michael Ray Tyson (January 13, 1950), is a former Major League Baseball second baseman and shortstop. He played in the majors from to for the St. Louis Cardinals and Chicago Cubs.