Andrew Lewis ( December 14 , 1970 -- May 4 , 2015 ) was a Guyanese professional boxer in the Middleweight division and the WBA World Welterweight Champion .
Andrew Lewis ( 11 December 1970 -- 4 May 2015 ) , nicknamed `` Six Heads '' , was a Guyanese professional boxer in the middleweight division . He was the WBA World Welterweight Champion .