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.[1]

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  1. ^ Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Toñín Casillas". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 4 June 2012.

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