Career
At senior level he first struggled badly, in 2005 he was dqd at the nationals at 178 lbs. At the Nations Cup he beat Alexander Povernov 14:8, at the Ahmet Comert Cup 2007 he defeated European Champion Denis Poyatsika. He would have been one of the top favorites at the world championships 2007 but Cuba didn"t participate.
Acosta was undefeated for more than a year then was upset at the 2008 Strandya Cup by an unknown Scotsman Stevie Simmons and struggled at the National Championships.
He qualified for Beijing by winning the first Olympic qualifier by beating fellow-qualifier Deontay Wilder in the final. Olympic games results 2008 (as a heavyweight)
Defeated Olanrewaju Durodola (Nigeria) 11-0
Defeated Elias Pavlidis (Greece) 7-4
Lost to Rakhim Chakhkeiv (Russia) 5-10.