FC Barcelona on Tuesday re-signed left-back Marc Cucurella from Eibar after the 20-year-old’s impressive first season in the Spanish top-flight.
A statement from the La Liga champions said they had exercised a buy-back clause in the player’s contract for four million euros.
This has come less than two months after Eibar had agreed to sign him on a permanent basis for two million euros.
Cucurella, who can play on the left side of defence and on the left-wing, came through Barca’s youth ranks.
But he only played seven minutes of first-team football in the Copa del Rey before moving to Eibar on loan last season, playing 31 La Liga games.
He made his name with a stunning performance in the Basque team’s 3-0 win over Real Madrid.
The player also scored against Barca in a 2-2 draw on the final day of the season.