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Football was Ed O'Neill's professional sport. He played as a defensive lineman for the Pittsburgh Steelers and the Cincinnati Bengals in the National Football League (NFL) from 1969 to 1978. O'Neill was a standout player, earning a Pro Bowl selection in 1975. After his football career, he transitioned to acting, becoming known for his roles in the sitcoms "Married.. with Children" and "Modern Family."