Career
Mustelier played for Santiago de Cuba in the Cuban National Series until defected from Cuba in 2009. The Yankees signed Mustelier in 2011, giving him a $50,000 signing bonus. With an injury to Curtis Granderson in spring training in 2013, Mustelier competed for a position with the Yankees.
The Yankees released Mustelier on May 7, 2014, citing a need to find at bats for other players.
He signed with the Tigres de Quintana Roo of the Mexican League. In July, he joined Vaqueros Laguna, also of the Mexican League.
Mustelier did not play in organized baseball during the 2015 season. He signed with the Atlanta Braves on a minor league contract in November 2015.
Mustelier has a son, Ronny Junior., who lives in Cuba.