And they are: Phil Jones, Morgan Schneiderlin, Bastian Schweinsteiger, Memphis Depay, Marcos Rojo and Marouane Fellaini.
Of those six, Fellaini was the player fans wanted to leave most, with a meagre 18.4% claiming they want the Belgium international to stay beyond January.
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It was all going so well for the towering central midfielder, too; upon Paul Pogba's big-money summer arrival, he seemed reinvigorated.
Disappointing performances against Chelsea and Liverpool have since seen the 28-year-old slip down the pecking order, though, with Ander Herrera now Jose Mourinho's first-choice partner for Pogba.
Indeed, zero goals and zero assists in nine Premier League appearances is a poor return for someone who once couldn't stop scoring at Everton.
Fellaini now faces a fight for his future at United, despite the fact Mourinho offered him reassurances in a pre-season phone call.
Mourinho explained in August how he personally contacted the Belgian at Euro 2016 to discuss the role he would play for the forthcoming season.
In an interview with Full Time Devils (see below at 2:30), Fellaini revealed exactly what his manager said to him.
"He called me to say: 'You won't leave, I can count on you'," he said.
"It gave [me] a big boost; big confidence. Now I'm there, I will fight for the team and for him. He can count on me. That's most important."
Fellaini doesn't appear to have won Mourinho's trust just yet but believes his hard work, both in training and during games, will eventually pay dividends.
"Look, I work every day in training, I show myself, I think he trusts me," he told United's official website recently.
"I will do everything I can on the pitch and always give my best, so he can trust me, and that is the most important thing: when the manager trusts you.
"We have a good squad, good players and competition is high and so that's why you have to push yourself all the time.”
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