Sergio Marcos González

Sergio Marcos González (born 3 February 1992) is a Spanish footballer who plays for Cultural y Deportiva Leonesa as a central midfielder.

Marcos was born in Sacedón, Province of Guadalajara, Castile-La Mancha, and graduated from Atlético Madrid's youth setup. He made his debut as a senior with the B-side, in Segunda División B.

In summer 2012, Marcos moved to another reserve team, Villarreal CF B also of the third level. He was also appointed captain at the start of the 2014–15 season, after featuring regularly.

Marcos first appeared with the main squad in competitive matches on 15 February 2015, starting in a 0–2 La Liga away loss against Rayo Vallecano. On 9 July, he was loaned to Segunda División club CD Lugo in a season-long deal.

Marcos scored his first professional goal on 8 November 2015, the game's only in a 1–0 away victory over Girona FC. On 21 July of the following year, he was transferred to Real Valladolid also in division two after agreeing to a three-year contract; midway through the 2017–18 campaign, however, he left for fellow league side Cultural y Deportiva Leonesa.