Manchester United pair Diogo Dalot and Aaron Wan-Bissaka are both interesting Barcelona.
Spanish reporter Gerard Romero is reporting Barcelona are on the verge of signing left-back Marcos Alonso from Chelsea. But a new right-back is also still on the wish list.
Barca's management team has identified five candidates.
Jeremie Frimpong (Bayer Leverkusen), Aaron Wan-Bissaka, Juan Foyth (Villarreal), Diogo Dalot and Thomas Meunier (Borussia Dortmund) are all being discussed.
Barcelona coach Xavi stated after their stalemate with Rayo Vallecano that the team needs to be strengthened more.