Claim: Yonnhy Perez fought all of his professional fights in the United States except for one in South Africa which was the biggest challenge of his career.
Evidence: Although born in Colombia, Pérez has fought all but one of his professional fights in the United States. Pérez faced his biggest challenge on 29 May 2009, when he travelled to Johannesburg, South Africa to fight Silence Mabuza in an IBF Bantamweight title eliminator.