Legendary boxer Muhammad Ali fought four bouts in Houston -- all at the Astrodome. He won all four.
1966
14 Nov -- Cleveland Williams, Houston, TX, Astrodome -- TKO 3
(Retained World Heavyweight Title)
1967
6 Feb -- Ernie Terrell, Houston, TX, Astrodome -- W 15
(Retained World Heavyweight Title)
1971
26 Jul -- Jimmy Ellis, Houston, TX, Astrodome -- TKO 12
1971
17 Nov -- Buster Mathis, Houston, TX, Astrodome -- W 12