Cristiano Ronaldo sends timely reminder to Man Utd bosses amid exit fears

When Cristiano Ronaldo completed his stunning Manchester United return at the end of August, few would have anticipated that by February, rumours of an exit would be swirling.

But that is exactly how it has panned out against a backdrop of managerial upheaval and below-par results on the field.

On an individual basis, to say Ronaldo has struggled would be a stretch - with 15 goals in all competitions, he is comfortably the club’s top scorer.

But there have been question marks about his ability to still thrive in the Premier League now aged 37. The appointment of Ralf Rangnick as Ole Gunnar Solskjaer ’s successor raised further doubts, with the German insistent on implementing a high-pressing style of play.

There have also been clear signs of frustration on the pitch, with Ronaldo openly admitting he isn’t happy to be competing for league positions, rather than league titles.

"I don't accept that our mentality be less than being in the top three in the Premier League,” he said in January.

"We are capable of changing things now. I know the way but I'm not going to mention it here because I don't think it's ethical on my part to say that.

"What I can say is we can do better - all of us. Manchester [United] belongs to important things, so we have to change that.

"I don't want to be here to be in sixth place, or seventh place, or fifth place. I'm here to try to win, to compete.”

Sunday Mirror Sport understands that if United fail to qualify for the Champions League, he will look to cut short his two-year arrangement and seek one final move.

It is believed that if Ronaldo was to make it clear he wants to leave, Old Trafford bosses wouldn’t stand in his way.

But on the eve of their biggest game of the season so far,