It was 1976 when Leon and Michael Spinks first punched their way into America's living rooms. That year, they became the first brothers to win Olympic gold in the same Games. Shortly thereafter, they became the first brothers to win the heavyweight title: Leon toppled The Greatest, Muhammad Ali; Michael beat the unbeatable Larry Holmes. With a cast of characters that includes Ali, Holmes, Mike Tyson, Gerry Cooney, Dwight Qawi, Eddie Mustafa Muhammad...