Barcelona keeping an eye on former Manchester United fullback Carreras at Benfica, reports Carlos Volcano.

Since departing Manchester United for Benfica in his second season, Carreras has seen a tremendous surge in form in Portugal.

Sport says Barca chief Deco is having the Spain U21 international watched with the view of bringing him home in 2025.

Carreras came through La Fabrica at Real Madrid before leaving for United as a 16 year-old.

But Barca won't get a clear run, with both United and Real also interested in re-signing the wing-back.