Ray Mercer

Raymond Anthony Mercer (born April 4, 1961) won the heavyweight gold medal at the 1988 Summer Olympics.[1] 

In 1991, Mercer captured the WBO heavyweight title and later successfully defended it against Tommy Morrison. Mercer was nicknamed “Merciless” for his punching power and aggressive fighting style, a moniker that followed him throughout his professional career.[2][3] 

In 2009, he made a brief appearance in mixed martial arts, defeating former two-time UFC heavyweight champion Tim Sylvia by first-round knockout, earning a Bazzie Award for Upset of the Year.[5] 

Professional boxing record