Real Valladolid centre-back Mohammed Salisu anticipates a tough clash when they play as guests to Barcelona in La Liga on Tuesday.
The Pucela are hoping to stun the Blaugrana at Camp Nou to make it two wins in a row following a 2-0 triumph over Eibar on Saturday.
Valladolid have already registered some good results this season, having held both Real Madrid and Atletico Madrid to draws.
For the 20-year-old who scored in the last match, the Barcelona tie will be "very difficult" but "with concentration and a good mentality", the Pucela can get a good result," Salisu said as reported by his club's official website.