The Red Devils lodged a £27 million bid for the 18-year-old on Sunday and are ready to tie up a quick deal by offering a bumper wage package worth in excess of £100,000 per week
Manchester United will offer Southampton left-back Luke Shaw a six-figure weekly salary to move to Old Trafford this summer, Goal understands.
United have made a £27 million bid for the 18-year-old, who will be named in Roy Hodgson's England World Cup squad later on Monday.
Should the move go through, Shaw would become one of the most expensive teenagers in history, the current best-paid youngster on the planet and the second most expensive full-back behind Barcelona's Dani Alves.
Manchester City and Chelsea have both expressed an interest in Shaw but both clubs will have to rein in their spending in light of Uefa's Financial Fair Play regualations.
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In October they handed Adnan Januzaj a bumper five-year contract, including a huge signing-on fee, with his agent recently bragging that the young Belgian earns more than Cristiano Ronaldo and Lionel Messi did at the same age.
The club are set to name Louis van Gaal as David Moyes' permanent successor this week, with Ryan Giggs vacating his caretaker role after four matches at the helm.
Despite not having a full-time manager yet in place, United executive vice-chairman Ed Woodward is pressing ahead with his summer transfer plans.
Goal understands that United will make a bid in the region of £40 million for Bayern Munich playmaker Toni Kroos this summer, having held talks around the two clubs' Champions League quarter-final clash in Germany in April.
Paris Saint-Germain striker Edinson Cavani is also under consideration, with United identifying the Uruguay striker as a target back in February, before he admitted that a summer move could be a possibility.
A move for Barcelona midfielder Cesc Fabregas could also be reprised after it was discovered that the Catalans will listen to offers for the former Arsenal man.
United were hopeful of signing Fabregas last summer but were ultimately frustrated in their attempts to lure him from Camp Nou.
They also missed out on Athletic Bilbao attacker Ander Herrera and a big-money deal for Gareth Bale in what proved to be an embarrassing start to the Moyes-Edward reign.
Having left the club's pre-season trip to Australia on July 17 on "urgent transfer business", Woodward only managed to deliver Marouane Fellaini - for more than his buy-out clause - in the final moments of the transfer window on September 2.
Those problems were in part attributed to the fact that Moyes officially started work at Carrington on July 1 of last year, forcing the club to play catch-up in identifying and pursuing their top targets.
Woodward is determined to act quickly this time around, not least as he faces something of a summer exodus.
United are willing to take a £5m hit on Zaha just 18 months after wrapping up his signature, Patrice Evra and Rio Ferdinand look set to quit Old Trafford at the end of their current deals, Giggs is rumoured to be on the verge of announcing his retirement and Javier Hernandez has attracted interest from a number of European clubs.