Dominican Professional Baseball League
He started playing in the Dominican Professional Baseball League with the San Pedro de Macorís team Estrellas Orientales. On November 4, 2012 Guerrero came back to the Liga de Béisbol Profesional de la República Dominicana with Tigres del Licey. He only played eight games with Tigres logging a batting average of .188 without a home run. On November 20, 2012, Guerrero quit the team after he was informed by team management that he would only be used as a pinch hitter.