Ernesto Valverde confirmed a new left-back is on Barcelona's wishlist and said the door would remain open for new arrivals until the transfer window closes.
La Liga champions Barca want to find support for Jordi Alba and are reportedly moving closer to signing Junior Firpo from Real Betis.
Philipp Max of Augsburg is said to be an alternative, while Bayern Munich star David Alaba figured in rumours as a less realistic option.
Neto, Frenkie de Jong and Antoine Griezmann have all joined since the end of the 2018-19 season and Barca's business appears unlikely to end there.