★ 6.7
★ 10.0
★ 0.0
★ 4.4
★ 6.5
★ 5.5
★ 4.8
★ 7.4
★ 6.9
★ 7.6
★ 9.0
★ 7.1
Ten of Muhammad Ali's former rivals pay tribute to the three-time world heavyweight champion.
