Having seen Eric Bailly, Zlatan Ibrahimovic, Henrikh Mkhitaryan and Paul Pogba all arrive at Old Trafford in recent months, Manchester United must be pretty content with their transfer activity this summer.
However, with a few days remaining before the window slams shut, it has been widely reported that Jose Mourinho is looking to make a fifth addition to his squad in the form of a central defender.
Unfortunately for the Portuguese manager that now looks unlikely to happen after news that his top target - Southampton's Jose Fonte - is set to snub United in favour of a huge pay rise at the Saints.
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The Red Devils were thought to be planning a deadline-day bid of around £8 million to secure Fonte's services, and boost their defensive ranks.
However, according to The Mirror, the Portugal international has held crunch talks with Southampton director of football Les Reed and chairman Ralph Krueger and is now set to sign a new deal at St. Mary's.
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Part of the reason why he has opted to spurn Mourinho and United might have something to do with the fact that his new contract will reportedly see his wages almost double, from £45,000-per-week to £70,000.
Speaking to the media on Thursday, Southampton boss Claude Paul effectively drew a line under the speculation linking Fonte to a move away.
“The situation of Jose is now finished and he is back to normal," he said, via The Mirror.
"Jose is now concentrating just on his football and his team. He had a good discussion with the director of football, with the chairman and now everything is all OK."
The news will come as a setback to United who, considering they were willing to wait until deadline day to make their move, appeared confident of securing the 32-year-old's signature.
It now remains to be seen whether Mourinho and co. will move on to another target, or simply make do with what they have after a strong start to the season.
Eric Bailly's impressive start to live in English football after his £30 million move from Villarreal may be enough to convince the United hierarchy that another signing isn't required - especially with Fonte now out of the picture.
What it does mean, though, is that Phil Jones may be kept on as part of the squad rather than being sent out on loan as had looked likely in recent days.