For the fourth season running, Cristiano Ronaldo has been at a club where the manager has either left or been sacked.
If this had happened once or twice, you'd think it was merely a coincidence. But a pattern is starting to emerge and it could well be that Ronaldo is actually the problem.
The Portuguese star's match-winning abilities are well known. Even aged 36, Ronaldo has shown several times already at Manchester United that he can still bend a game to his will.

Ole Gunnar Solskjaer's (left) sacking over the weekend means Cristiano Ronaldo (right) has now seen four managers go in the past four seasons
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But does his superstar status and influence over a dressing room make it so much more difficult for a manager to do their job?