Barcelona will look to make a move for Mats Hummels this summer and partner him with fellow German internationals, Marc-Andre ter Stegen and Marco Reus.The Catalan side have been linked with a move for Mats Hummels for some time as their search for a new defender continues, following Carles Puyol’s announcement that he will be leaving the Nou Camp.And, [FDN] understands that Tata Martino is ready to make a summer move for the German international and could follow that with a move for winger Marco Reus.Reus has recently told Barca that he wants to join them this summer and it is understood that Martino is keen to add the 24-year-old.Should both Hummels and Reus join Barcelona, they would add to the signing of another German – Marc-Andre ter Stegen, who recently completed his medical with the club.Ter Stegen will replace keeper Victor Valdes who has called time on his long career with the La Liga club.