Lazio striker Keita Balde can leave the club this summer according to Mundo Deportivo. The agent of the 21-year-old has offered the players services to Barcelona, the squad were he grew up.The Catalan giants are now considering whether to make a move, to provide back-up to Messi, Suarez and Neymar. Meanwhile, the two clubs are still in negotiations over full-back Adriano.