José León Bernal

Real Madrid

In 2004, aged seven, León joined Real Madrid's youth academy from local CD Aviación. He made his senior debut in the 2013–14 season, playing 17 games for the C-team in the 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 in the Segunda División. On 31 August 2016, he was loaned to Cultural y Deportiva Leonesa for one year.

Rayo Vallecano

On 25 August 2018, León signed a two-year contract with La Liga side Rayo Vallecano. However, aged 23 and registered in the B-team, he could not play for either side. In February 2019, León joined Swedish side AFC Eskilstuna on loan until June. On 29 August, after making no appearances for Rayo, he terminated his contract with Rayo.

Fuenlabrada

On 30 August 2019, free agent León agreed to a one-year deal with CF Fuenlabrada, also in the second division. He made his debut for the club on 1 October, starting in a 0–1 loss at CD Numancia, and contributed with 21 matches overall during the season.

Alcorcón

On 20 September 2020, León signed for AD Alcorcón, still in division two. He became a regular starter for the club, and scored his first professional goal on 20 December by netting his team's second in a 2–1 home win over FC Cartagena.

Tenerife

On 20 June 2021, León agreed to a two-year contract with fellow second level side CD Tenerife.

Cultural Leonesa

Segunda División B: 2016–17