Chelsea's hopes of qualifying for the Champions League next season took a battering as Dele Alli struck twice to hand Tottenham their first win at Stamford Bridge in 28 years.
Alvaro Morata had opened the scoring for the home side but Christian Eriksen's stunner and Alli's double provided Tottenham with a vitally important win in the race to finish in a top-four spot.
Here, Sportsmail runs you through all the things you might have missed from the Premier League clash.
Dele Alli struck twice as Tottenham registered an important win in the race for a top-four spotiPhone transfer software
Dele Alli is still only 21.
Despite his tender years, Sunday's clash at the Bridge brought up his 100th match in the Premier League.
During that time there have been moments of brilliance and moments of petulance.
Against Chelsea it was the former. The Tottenham No 20 superbly plucked the ball out of the air and finished on the run before netting a second to seal victory.
It was a fitting way to mark the special occasion.
Alli marked his 100th appearance in the Premier League with a brace against Chelsea
Tottenham had not won at Chelsea since 1990 before today.
To put that into context - the last time they left south London with three points, Nelson Mandela was still in prison and Margaret Thatcher was the Prime Minister.
A fresh faced Gary Lineker sealed the victory for them all those 28 years ago. This time, it was another young flyer who stole the show with Dele Alli bagging himself a brace.
The last time Spurs won at Stamford Bridge before Sunday, Nelson Mandela was still in prison
He may not be enjoying the best of debut campaigns in the Premier League, but any defender preparing to face up against Alvaro Morata