The former Arsenal star believes that Dier, who can operate as a central defender or as a defensive midfielder, makes mistakes and has compared him to Manchester City central defender John Stones.
However, Merson – who now works as a pundit for Sky Sports – believes that the 26-year-old England international can be a part of the Three Lions’ team at the European Championship next summer if he can cut out the mistakes from his game.
According to The Daily Mail, Dier is out of contract at Tottenham at the end of next season, and he has asked for more than double his weekly salary of £60,000 to sign a new deal, and this has taken club chairman Daniel Levy aback.
Merson wrote in The Daily Star: “Spurs are going to miss him in the North London Derby but I think his future is there, even though he’s out of contract next summer.
“He’s a centre back now and he will only get better playing there for Jose Mourinho, who is the best defensive coach in the world in my opinion.
“I like Dier and he’s said centre back is his favourite position. I just think sometimes he switches off there because it’s too easy for him.
“He’s got a bit of John Stones in him. He falls asleep and makes mistakes. If he can cut those out of his game I don’t see why he can’t go to the Euros as a centre back.”
According to WhoScored, Dier has provided two assists in 18 Premier League games for Tottenham so far this campaign.
The Englishman also played five times in the Champions League for Spurs this campaign, according to WhoScored.
Dier is a very good player who is doing well at centre-back now, and given that he is 26 years of age at the moment, his best is yet to come.