At the
2010 South American Games, Peralta competed at light heavyweight. He reached the semifinals, where he was defeated by
Carlos Gongora, therefore winning the bronze medal. After these Games, he moved up to the heavyweight division.
At the 2011 Pan American Games he lost the heavyweight semifinal to eventual champion
Lenier Pero 9:13. At the
2011 World Amateur Boxing Championships he lost his first bout to Canadian
Samir El Mais, whom he beat 15:12 at the Olympic qualifier in a rematch. This result was enough ensure his qualification for the 2012 Olympics although he lost the final to
Michael Hunter 10:12. At the
Boxing at the 2012 Summer Olympics – Men's heavyweight he defeated
Chouaib Bouloudinat but lost to
Tervel Pulev 10:13. At the
2013 World Championships, he won a bronze medal. In 2014 he turned professional. In a statement made by Rozicki's promoter Dan Otter, the rematch has been scheduled for the fall of 2022. ==Professional boxing record==