Earnie Dee Shaver, best known as Earnie Shavers, was an American professional boxer who competed between 1969 and 1995. A two-time world heavyweight championship challenger, he is known as one of the hardest punchers in heavyweight boxing history. He scored 70 knockout wins, including 23 in the first round, for a 76.7% overall knockout rate. Shavers twice unsuccessfully challenged for the heavyweight championship, losing to Muhammad Ali in 1977 by a 15-round unanimous decision and to Larry Holmes in 1979 by a TKO in round 11. He hurt Ali in the second round and knocked down Holmes in the seventh round. Shavers defeated former world champions Vicente Rondón, Jimmy Ellis, and Ken Norton, as well as three-time European heavyweight champion Joe Bugner and top heavyweight contender Jimmy Young.