Manchester United will insist Arturo Vidal passes a full medical with their team before they discuss a fee with Juventus.
And according to the Daily Star, the Italian giants are willing to agree to the terms, allowing Vidal to complete a medical with United doctors. The Old Trafford medical staff are keen to test the strength of his knee after the Chilean international suffered a serious injury last season.
He had surgery just before the World Cup on a cartilage issue.
He rushed back for the tournament but wasn't at his best as Chile reached the last-16 only to be knocked out by semi-finalists Brazil.
The report also claims that United have agreed the outline terms of a £182,000-a-week contract with Vidal, who is keen on the move to join Louis Van Gaal's squad.
But United have insisted on the unusual request to put Vidal through his paces before Juve and United discuss the final transfer fee. The Serie A champions are thought to be happy to let the Chilean fly to England, which would move him a step closer to joining the Old Trafford club.
Vidal could fly to England and undergo tests as early as this weekend as Van Gaal wants his transfer business sorted before the start of the Premier League season.
It's believed that Juventus are holding out for £47m, which is around £7m more than United are willing to pay. Juventus have Paul Pogba ready to step up and play a bigger role next season, so they're in a strong negotiating position.
United need at least one more central midfielder and another centre-back, as Van Gaal looks to implement a 3-5-2 wing back formation at Old Trafford next season. Ander Herrera has looked good in preseason but a partnership alongside Vidal would make United's midfield three - alongside Juan Mata - on paper one of the most formidable in Europe.
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