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Cassius Clay: Before He Was Ali

Cassius Clay Tries on the Championship Belt

Cassius Clay Tries on the Championship Belt

In Clay's quarters in Miami in February 1964, days before he would challenge Sonny Liston for the world heavyweight championship, a sign on the wall seems to confirm rumors that Clay has embraced Islam.

In this photo: Muhammad Ali

Photo: Keystone/Getty Images

Feb 01, 1964