The Basketball Federation of Murcia recovered years the federal license of the monarch who credited him as a player of the team of the General Air Academy in the town of San Javier.
This is an official document which states that the then Prince Juan Carlos Borbón y Borbón practiced basketball in our region, with license number 433, presented at the FBRM the November 3, 1958 and validated by the Spanish Basketball Federation eleven days later (November 14).
Source: Federación Murciana de Baloncesto