Career
In 2004, aged 7, León joined Real Madrid"s youth academy from local Civil Defense Aviación. He made his senior debut in the 2013-2014 season, playing 17 games for the C-team in Segunda División B.
On 25 May 2014 León made his professional debut, coming on as a second-half substitute in a 0–2 loss at Córdoba CF for the Segunda División championship.