When he completed a £59.7 million move to Manchester United during the summer of 2014, Angel Di Maria became the most expensive player in Premier League history.
Just one year later, though, he was sold to Paris Saint-Germain after struggling to settle in England - but given the Red Devils' attacking difficulties this season, they may be regretting his sale.
The Argentine was in and out of the side during his one and only season at Old Trafford, making only 20 Premier League starts despite the fact he provided three goals and ten assists throughout.
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After the hectic Christmas period he became little more than a fringe player and struggled for game time, even though he was named in the 2014 FIFA Team of the Year.
Regardless of his under-par performances, though, it came as a shock when United shipped Di Maria to Ligue 1's PSG for a fee believed to be £44 million.
United have failed to sufficiently replace him since his departure, shown my the club's lack of potency going forward throughout the current campaign.
To emphasise this point, it's been 11 home matches since Louis van Gaal’s side have scored a first half goal, whilst their style of play has become slow, uninventive and uninspiring over the course of the Dutchman's tenure. There's little doubt Di Maria's energy and pace have been sorely missed.
The Argentina international has rediscovered form in France's top-flight, scoring eight goals and producing ten assists in just 15 starts. His fast, direct style of football has given a new dimension to PSG's attack, which United lack.
Di Maria was far from the first player to struggle during his debut season in English football, suggesting the 27-year-old was sold far too early. Van Gaal and United are suffering the damaging consequences as a result.