Tottenham Hotspur completed a deadline day move to sign MK Dons midfielder Dele Alli, putting an end to weeks of speculation over the the teenager.
Alli, 18, has hit 12 goals from midfield in League One this season, and his exploits under manager Karl Robinson have attracted plenty of interest.
Spurs fans are naturally excited to see the England Under-19 international in action, but they will have to wait as Alli will play out the rest of the season on loan with MK Dons to continue his development.
Supporters have every right to be optimistic about Alli, considering that he's touted for the top - but there has to be caution, too.
Almost seven years ago, Tottenham signed another young, highly touted, English midfielder by the name of John Bostock.
Then 16, Bostock had hit the headlines with Crystal Palace, and was tipped to be the next big thing in English football, leading to Tottenham paying up to £1.25m to sign him in 2008.
Despite the giant fee for his age, Bostock failed to make any sort of impact at Tottenham. With no Premier League appearances and just four games played in all competitions, Bostock was a huge flop at White Hart Lane and serves as the big warning sign for hyping up young prospects in England.
After a spell with Royal Antwerp last season, Bostock is still in Belgium, with OH Leuven - which certainly wasn't the plan when he made the move to North London.
Alli certainly has potential, but Bostock wasn't really given a chance at Spurs, and Tottenham need to make sure they don't make the same mistake again.
Under manager Mauricio Pochettino, Alli has a great chance of earning playing time given that Pochettino often trusts his young players - but the case of Bostock means Tottenham fans shouldn't go overboard with Alli just yet.