FC Barcelona is interested in talented midfielder Sergio Martínez and intends to loan the 18-year-old Spanish U19 international from Racing Santander. The proposed loan would include an option to buy, with Martínez initially intended for the second team. FC Villarreal is also interested in the player. In addition to Barcelona and Villarreal, TSG Hoffenheim and two other Bundesliga clubs have also been linked with Martínez. His contract at Racing Santander runs until 2029 and includes a release clause of three million euros.