"Chelsea have broken up that partnership and strengthened their rivals".
Matic was speaking after making his competitive United debut, playing the entirety of Tuesday's 2-1 UEFA Super Cup loss to Real Madrid despite only having had 45 pre-season minutes in red under his belt.
Much like their stance on Ivan Perisic to Manchester United, Inter have fixed a price for the 30-year-old, but fortunately for the Blues, it's a lot lower than what they're asking for for the Croatia worldwide.
"They're going to be tested, 100 percent", he added.
In case you didn't know.
Chelsea, since being bought by Roman Abramovich in 2003, have been ruthless with their firing of managers - namely the double sacking of Jose Mourinho, and Claudio Ranieri and Carlo Ancelotti getting the boot after less than two years.
The Italian led the Blues from 10th the previous campaign to the Premier League trophy last season.
Chelsea has had a poor transfer window as they have failed to build their team well.
"I think they've bought well - it's just a case of numbers", he insisted.
"They have a model where they have a big say over how that club is run; the owner, [technical director Michael] Emanalo and people involved there".
As Conte's contract negotiations rumbled on and Inter Milan began to circle, reports emerged suggesting he might quit after just one season in frustration at Chelsea's failure to land his top transfer targets.
Wenger stated his belief that qualification for the Champions League should be decided purely by league position rather than success in the Europa League - in which Arsenal will play this season - but said he had been overruled by most of his peers at Uefa-led meetings in Geneva.
The Blues have seen new striker Alvaro Morata arrive at Stamford Bridge in a £70 million deal, along with Antonio Rüdiger, Tiemoue Bakayoko and goalkeeperWilly Caballero.
Groves then hinted he thinks Conte could be gone before the end of August if things don't go Chelsea's way.
Even losing the likes of fringe players such as Nathan Ake, Asmir Begovic and Nathaniel Chalobah, along with the loan departure of Ruben Loftus-Cheek, has affected Chelsea's first team, with squad depth worryingly low.