Spanish club on Tuesday announced the signing of Senegalese forward Sekou Gassama on a three-and-half years contract from second division side Almeria.
The 24-year-old striker was immediately loaned back to Almeria for the rest of the season.
Gassama came through the famed FC Barcelona's youth system as a defender before switching to Almeria. He later joined Real Valladolid in 2014 but quit and joined Rayo Vallecano playing in the third division.
He made his senior Almeriadebut in 2018 and has continued to impress in both league and cup matches. On Wednesday he re-signed with La Liga side Real Valladolid and will be hoping to play in La Liga next season.