I believe it was his European opponent Yvan Prebveg in 1966, it did not prepare Karl Mildenberger by any means but it was a defense of his title, it was a decision win for Karl.
Muhammad Ali was literally chased out of the USA in 1966 with his I Ain't Got No Quarrel With Them Vietcong, it even angered our President Lyndon B. Johnson as no one was supposed to criticize the war in Vietnam.
Looking back now, it must have felt so strange for Ali. One minute he's the hero beating big bad sonny. Then the next basically kicked out of the country.
He was, then you have hypocritical people that think bad of him. When he joined the Nation Of Islam people criticized his beliefs, accused him of bogus things, those people remind me of women who sit around and gossip, nothing better to do. There are a few people who I consider Hypocrites, always speaking about their religion but talk about anti christ things like horrible things about women.