Angel di María has been widely criticised for jumping ship after only a single unsuccessful season with Manchester United, but the transfer is justified on many fronts.
Football today is short-termist. Owners of the European superpowers want immediate success and players themselves know that they will only have a decade or so at the top level.
Man Utd have cashed in on an unhappy and under-performing player, Di María himself is moving to one of Europe's superpowers, and PSG are buying an undisputed world-class talent. Every party is happy.
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PSG and their Qatari owners have been after Di María for some time and now, for £44 million they have finally got their man.
The Paris club has won a hat-trick of league titles over the past three years but have been knocked out of the Champions League at the quarter-final stage each of these seasons. Now is the time to buck the trend and Angel Di María could well be the catalyst for the elusive European triumph.
Di Maria is made for the Champions League
The Argentine will be itching to get back playing on the world's largest club stage having suffered the consequence of the mediocre and fleeting Moyes era at Old Trafford. Indeed the last time he played in the Champions League he lifted the trophy and won the Man of the Match award.
He is made for the competition. Industrious, supremely gifted and with match-winning talents, Di María is ready to transform PSG from serial quarter-finalists into finalists and even winners.
The signing of Di María will also revolutionise PSG's tactical options. Over recent seasons their record signing Edinson Cavani has been deployed on the left wing in order to accommodate all the best players at the club.
Anyone who has seen Cavani play, both wide and centrally, will know that the Uruguayan is at his fearsome best when playing central, as he displayed against Chelsea in the second leg of last year's Champions League tie which saw the Parisians advance after extra time.
Di Maria is the missing piece of the PSG jigsaw
The arrival of Di María will enable coach Laurent Blanc to use Cavani alongside Ibrahimovic up front while the Argentinian winger will be able to provide the two with pin-point crosses from wide positions and play to the strengths of the two robust and aerially dominant strikers.
It will take a lot to challenge Barcelona, their nemesis in last year's quarter final, but PSG are now far better equipped than last year.
They have the spine in place, with the battling Brazilian David Luiz-Thiago Silva axis in defence and the creative yet solid duo of Marco Verratti and Blaise Matuidi in the centre of the park supporting the prolific Ibrahimovic and Cavani up front.
In Di María they now have a game-changer on the flank who is the missing piece to the Parisian puzzle.
After his failed English adventure the Argentine will be hungrier than ever to light up Europe's biggest stage. With him on board, this could now be the season PSG finally realise their lofty European ambitions.