José Antonio "Toñín" Casillas Fernández (born 8 August 1935) in Humacao, Puerto Rico is a Puerto Rican former basketball player who competed in the 1960 Summer Olympics. References 1935 births Living people People from Humacao, Puerto Rico Puerto Rican men's basketball players Puerto Rican expatriate sportspeople in Spain Olympic basketball players of Puerto Rico Basketball players at the 1960 Summer Olympics Basketball players at the 1959 Pan American Games Pan American Games medalists in basketball Pan American Games silver medalists for Puerto Rico Medalists at the 1959 Pan American Games