Jose Mourinho and Paul Pogba were filmed appearing to have an argument in Manchester United training on Wednesday morning.
The footage emerged just over 12 hours after they were dumped out of the Carabao Cup on penalties by Sky Bet Championship outfit Derby.
United sit seventh in the standings after six games, with 50% of those results being victories.
The Cup defeat saw Mourinho backed into 11/4 favourite to be the next Premier League manager to leave their position.
Speculation surrounded the future of the current boss after successive defeats to Tottenham and Brighton, but his side responded with victories over Burnley and Watford.
Mourinho recently stripped the midfielder of the vice-captaincy at the club, but denied that there was a rift between the two.
Despite being rested for the third-round tie, the 25-year-old remained a hot topic as it was claimed in the build-up that Mourinho had told the World Cup winner that he would not captain United again in front of the squad.
Asked about those reports, Mourinho told Sky Sports: "The only truth is that I made the decision of Paul not to be the second captain any more but no fall-out, no problems at all.
"The same person that decides that Paul is not the second captain anymore is the same person who decides that Paul was the second captain. Myself. I am the manager, I can make these decisions.
"No fall-out at all, no problems at all, just one decision that I don't have to explain."
However, recent footage suggests the opposite of what Mourinho suggested after the game.
The video shows Pogba running onto the training pitch at the beginning of the session, shaking hands with team-mates and coaching staff.
He then stops after Mourinho says something to him. The pair continue to exchange words as they walk away, with neither looking happy with what was being discussed.
Odds correct at 1230 BST (26/09/18)
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