Mario Losada Laguna

Losada was born in Madrid, and finished his formation with Rayo Vallecano. On 16 August 2016, he joined Tercera División side CF Trival Valderas, and made his senior debut for the club twelve days later by coming on as a substitute and scoring the equalizer in a 1–1 home draw against Alcobendas CF. On 18 February 2018, Losada scored a hat-trick in a 5–1 away routing of CP Parla Escuela. On 15 July, after finishing the campaign with 14 goals, he joined AD Alcorcón and was initially assigned to the reserves also in the fourth tier. Losada made his first team debut on 1 June 2019, replacing Borja Galán in a 0–1 home loss against Gimnàstic de Tarragona in the Segunda División championship.