England meet Denmark in Copenhagen on Tuesday. Dier knows the great Dane well after becoming close friends with him during their time together at Tottenham.Dier has kept in close touch with Eriksen since the midfielder left Spurs to join Inter Milan in January - and admits he will present a huge threat to Gareth Southgate's men in the Nations League group game.Eriksen has struggled to make an impact in Serie A, but Dier knows he remains one of the best midfielders in world football on his day.The defender said: "It will be a difficult game.
Denmark has a lot of good players and some that I know well from the Premier League."They have been very competitive for quite a few years.
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