The Blaugrana officially announced the free transfer of Dutch forward Depay on Saturday on a two-year contract.
A club statement read: “FC Barcelona and Memphis Depay have reached an agreement for the player to join the club once his contract with Olympique Lyonnais is at an end. The player will sign a contract until the end of the 2022/23 season.”
Depay joined Lyon in 2017 after a miserable couple of years at Manchester United, and managed to revive his career, before calling time on his spell in France.
Depay follows Manchester City pair Eric Garcia and Sergio Aguero through the arrivals door, while Emerson will finally become a Barca player after his two-year loan spell with Real Betis expired.
The La Liga giants are making the most of the free transfer market due to the concerning £1billion-worth of debt that has come to the fore as a result of the coronavirus pandemic.
However, Koeman has still managed to assemble a team that should be capable of competing for domestic and European titles to put their miserable year behind them last term.
Mirror Football breaks down exactly how Koeman may set out his first choice starting line-up for next season.
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In goal, Marc Andre ter Stegen dons the gloves for his sixth season in between the sticks at the Nou Camp.
Emerson is set to become Koeman’s first choice right-back, while Jordi Alba has shown few signs of slowing down on the left, despite being well into his thirties now.
In central-defence, Eric Garcia will be hoping he can begin as a starter, while Gerard Pique is entering the twilight of his career.
Sergio Busquets is as reliable as ever in the defensive-midfield role, while Dutch maestro Frenkie de Jong and Spanish wonderkid Pedri provide creativity from deep.
In attack, Koeman has a wealth of attacking options, with Aguero, Ousmane Dembele, Philippe Coutinho and Ansu Fati all potentially missing out.
Barca are still yet to renew Lionel Messi’s contract, but it is more than possible the Argentine will stay, while Antoine Griezmann will be hoping to have a better season this time out.
And finally, Depay will be playing as the main striker, but as we’ve seen over the years at Barcelona, the forwards can often interchange.
Potential line-up:Ter Stegen, Emerson, Pique, Garcia, Alba; Busquets, De Jong, Pedri; Messi, Griezmann, Depay.