Micah Richards spotted something Manchester United midfielder Kobbie Mainoo did in their 2-1 victory over Luton Town, which every other player should follow.
The 18-year-old has become a key player for United since making his full debut earlier this season.
Mainoo missed the first part of the campaign after picking up an ankle injury during pre-season but made his first start against Everton in November's 3-0 win.
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Since then, he's featured in 10 Premier League games and scored the winner in a 4-3 victory over Wolverhampton Wanderers earlier this month.
The teenager played the full 90 minutes against Luton as United moved within five points of the top four.
Mainoo's composure during games is that of an experienced pro, something pundits have picked up on.
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Speaking on the Rest Is Football podcast, Gary Lineker explained: "I mentioned Mainoo. I like him.
"This young man, every time I see him, I think he’s so impressive, so mature in his performances."
Richards replied: "It’s just like his composure. You know, today, when the game was getting a bit frantic, he was the only one able to get his foot on the ball and remain calm in possession."
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Mainoo played alongside Casemiro in the first half and Scott McTominay in the second. Casemiro was cautioned in the first half for a tackle on Amari'i Bell and could've been booked again moments later for clattering into Ross Barkley.
Out of fear the Brazil international would receive the fourth red card of his United career, manager Erik ten Hag opted to make a substitution.
Mainoo's impressive start to life in professional football has already seen fans demand Gareth Southgate consider him for England.
Richards believes an international call-up so soon could hurt Mainoo's development.
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The former Manchester City defender continued: "In regards to England, it's always a tough one.
"On ability, I would take him. Because he's dealt with the whole pressure of United and fitting in.
"Do you remember a couple of games back [December's 2-0 defeat to West Ham United] he actually made a mistake that led to a goal, but he bounced back from that, it didn't affect him, so you see his true character there.
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"The only thing is, if we rush him too soon, is it going to spoil him? Is that going to be too much pressure? I was listening to an interview with Mourinho and he said what's special about Jude is that he had his football away from the English media hype.
"He was able to go about his business without that pressure. And I just worry that if Mainoo were to go and play and start and do well, are we going to put too much pressure on him? But I agree, in that position, apart from Rice, there's no one playing better. It's a conundrum."
Topics: Manchester United, Kobbie Mainoo, Micah Richards, Premier League, Luton Town