Cassius Clay vs Sonny Banks - February 10, 1962 - Round 1, 3 & 4 

Cassius Clay (Muhammad Ali) vs Sonny Banks
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Cassius Clay fights the great left-hooker Sonny Banks. In the first round Cassius Clay went down for the first time in his professional career.
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Their records at the time:
Cassius Clay: 10-0
Sonny Banks: 10-2