Diego Mariño Villar

Villarreal

Born in Vigo, Galicia, Mariño played for Villarreal CF since the age of 14, having already represented four teams as a youth. He made his professional debut in the 2010–11 season, helping the reserves barely avoid relegation from the Segunda División while appearing in 38 games. Mariño was again first-choice the following campaign, but as the main squad suffered relegation in La Liga the B's were forced to drop down to Segunda División B even though they had finished in a comfortable 12th position. After the departures of longtime incumbent Diego López and 41-year-old César Sánchez (the latter retired), he was promoted to the first team by manager Julio Velázquez – also his boss in the second side.

Valladolid and Levante

Mariño signed a five-year contract with Real Valladolid on 5 July 2013, with Villarreal retaining an option to buy him back for €300,000. He made his debut in the top flight on 17 August, in a 1–2 home loss against Athletic Bilbao. On 8 August 2014, Mariño moved to Levante UD of the same league in a season-long loan. On 31 August of the following year, he signed a permanent three-year deal with the club.

Sporting Gijón

On 1 July 2016, after Levante's relegation, Mariño joined Sporting de Gijón for four years. Understudy to Iván Cuéllar, he made his debut on 26 November in a 2–1 loss at leaders Real Madrid. On 18 January 2018, Mariño extended his contract until 2022. Between 4 February and 1 April he was unbeaten during…

Mariño won his first cap for the Spain under-21 team in 2011. Also that year, he was selected by manager Luis Milla for his UEFA European Championship squad; in the tournament in Denmark, he was a backup to Atlético Madrid's David de Gea as the nation won its third title in the category. The following year, Mariño repeated the role for the under-23 side in a group-stage exit at the Summer Olympic Games in Great Britain.

As of match played 17 May 2025

Spain U21

UEFA European Under-21 Championship: 2011, 2013 Spain U17

FIFA U-17 World Cup runner-up: 2007