Premise: Jacinto Francisco Fernández de Quincoces y López de Arbina (17 July 1905 in Barakaldo – 10 May 1997 in Valencia) was a Spanish football player and manager, as well as President of the Valencian Pilota Federation. He was a central defender and is regarded as one of the greatest defenders of the pre-war era.
Hypothesis: Jacinto Francisco Fernandez de Quincoces y Lopez de Arbina liked sports.