Sambu Kalambay retained his World Boxing Assn....
Sambu Kalambay retained his World Boxing Assn. middleweight title with a unanimous 12-round decision over challenger Mike McCallum at Pesaro, Italy.
It was the first defeat in 33 professional fights for McCallum, who vacated his WBA junior middleweight crown to move up in weight. Kalambay was born in Zaire and lives in Italy.
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