Having starred during Burnley's Championship-title-winning campaign during 2022-23, Maatsen was provided with the chance to impress at Stamford Bridge by new head coach Mauricio Pochettino.
Maatsen did just that during pre-season, yet opportunities dried up once the campaign started, the Netherlands Under-21 international being given just three starts and 12 substitute outings in all competitions.
Although a new contract was penned to protect Chelsea's position in the transfer market, Maatsen was allowed to sign for Borussia Dortmund on loan in January.
Since then, the 22-year-old has make a positive impact at the Westfalenstadion, featuring on 10 occasions in the starting lineup and in his preferred role of left-back.
© Borussia Dortmund
As it stands, it is unclear whether Dortmund will look to negotiate a permanent deal with Chelsea, Maatsen allegedly having a release clause in the region of £35m.
With the Premier League outfit required to raise funds after the end of the season, it is plausible that the Dutchman has played his last competitive game for Chelsea.
In an interview with The Guardian, Maatsen says that he accepted the reasons behind his omissions from the team, barely no ill-will towards Pochettino who was under pressure to make his mark at Stamford Bridge.
Maatsen said: «I had trust at Chelsea but with the pressure they are under it is sometimes difficult for a manager to let everyone play – especially young talents with potential.
»He has to make decisions for the team. You have to deal with it as a young player. Sometimes it's not fair but maybe it's the best decision for
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