to United.Ferguson gave the Portuguese "one piece of advice" during his United tenure, which was to swoop for the Spurs playmaker, whose first game against United was as a teenager for MK Dons in the now infamous 4-0 League Cup defeat in 2014. An 18-year-old Alli ran riot against a second string United side that night.That was against Louis van Gaal's United and it's clear Alli made an impression on Ferguson, even after he then moved to Tottenham, as Mourinho revealed.