The 21-year-old was Tottenham Hotspur's best bit of business last season - one they may cherish for years to come.
There isn't that much competition when it comes to Tottenham's signing of the season. Three barely featured and two disappointed.
Even if there was, however, Eric Dier might still be a winner - and not just based on his debut campaign. Indeed, the 21-year-old represents solid business for Spurs. Whether or not Daniel Levy's traditional approach of buying younger players for smaller transfer fees that have resale value works generally or not, in this case it has done.
It's hard to see Dier not improving as the years go by and it's hard to see Tottenham not making a profit on the defender if they end up selling him.
This was a good buy; a sound investment. And there haven't been many of those at White Hart Lane in recent years.
In terms of Dier's season itself, meanwhile, it wasn't a bad one by any means. Sure, the Spurs star had his off days and doesn't look too comfortable at right-back. But at least he can play there - and was able to fill a big gap on many occasions.
He's versatile with bags of potential and the 21-year-old has shown flashes of brilliance at his natural centre-back position.
Ever since his unforgettable debut, when Dier scored a last-minute winner for Tottenham at West Ham, the north London side have had a promising talent on their hands. One who wasn't afraid to square up to Diego Costa in the Capital One Cup final.
There's plenty of room for improvement and no need to get carried away. But Dier was Spurs' signing of 2014/15 by a comfortable distance.