The England Under-21s defender moved to White Hart Lane from Sporting Lisbon in the summer, making a goalscoring start to life in north London as notched on his first and second appearances for the club.
England v Germany
Under-21 international
7.45pm, Monday 30 March
Riverside Stadium, Middlesbrough
Ticket hotline: 0844 499 1234
Buy online: Click here
He began the season as a right-back before switching to centre-half, and his defensive partner Vertonghen has been impressed by his young team-mate.
"Eric is a brilliant defender, he’s only 20 but he’s been fantastic for us all season, first at right-back and then at centre-back," the Belgium international told TottenhamHotspur.com.
"I like to play alongside him, he talks well, defends well and he’s doing great at the moment. He’s a strong guy as well with good feet.
"I’m sure he has a great career ahead of him," he added.
Dier has been a regular in Gareth Southgate’s England U21 squad this campaign, and he may feature for the Young Lions in their upcoming clashes in Czech Republic and against Germany at the Riverside Stadium on Monday 30 March.
If you want to show your support for the Young Lions then tickets for their clash in Middlesbrough can be purchased in person at the Boro ticket office or by calling 0844 499 1234. Tickets are also available online.