HOUSTON, TEX. Feb 6 - PRE FIGHT ROUTINE - Cassius Clay, Heavyweight Champion, glares at Ernie Terrell, right, the WBA Champion, at the weigh-in for tonight's title fight. Clay's manager, Herbert Muhammed, applies gentle restraint as he holds his fighters arms. Clay's trainer Angel Dundee, left, (white coat) moves in to get in the action. 1967