Alli, an England youth international, has been attracting attention in League One this season with Premier League scouts flocking to Milton Keynes. He's even been dubbed the 'English Messi' by one excited newspaper.
Manchester United, Chelsea, Arsenal and Manchester City - basically all the big English clubs - are watching him closely and they can’t help but be impressed time and again.
It was a comfortable game for the Dons as Crewe offered little opposition, but the £5m-rated Alli still looked a cut above as the central midfielder helped himself to three goals.
He opened the scoring after three minutes, although the game was poised at 2-1 at half-time. It took just three minutes again for Alli to stretch MK Dons’ lead further, before he helped put the icing on the cake with the first of two goals in the final ten minutes to wrap up the 6-1 win.
Bayern Munich interested
It’s not just Manchester United and Chelsea on his tail though, European giants Bayern Munich have also taken a keen interest in the 18-year-old, who has already made 43 league appearances despite his tender age.
In those games he has racked up 12 goals, and he’s now a regular for his country at the respective youth levels.
Although we don't have the goals from today's match, here's a little glimpse of his talent to whet your appetite Man United and Liverpool fans...