Damning Report Claims Manchester United Player Is A 'Teacher's Pet' And It's Causing Unrest
Morale at the club has been low all season, but it's said to have plunged to new depths following derby day defeat.
A star who is struggling for minutes is said to be jealous of the teammate in question, given his lack of attention.
Bailly signed a new contract last summer but is willing to depart already.
Second-choice goalkeeper Dean Henderson has featured three times all season and feels he's worthy of a starting spot over David de Gea.
Teenager Anthony Elanga has impressed under Ralf Rangnick and is preferred to Rashford out wide.
Diogo Dalot was a regular at the beginning of Rangnick's reign but didn't start United's previous three, with Victor Lindelof filling in at right-back in last month's 1-1 draw with Atletico Madrid.
Some are still questioning the appointment of Rangnick on an interim basis and aren't impressed with his previous accomplishments.
Rangnick was working as a sporting director for Lokomotiv Moscow before joining United and his only silverware as a manager in Germany came in 2011, when he won the DFB-Pokal in 2011.
It's expected the 63-year-old will move into a consultancy role at the end of the season as United look for a permanent manager.
United return to action on Saturday afternoon against Tottenham Hotspur, knowing they'll need a solid end to the season to make the Champions League places.
Arsenal moved ahead of the Red Devils by one point after a 3-2 win over Watford and the Gunners have three games in hand.