Stoke came from behind to beat Chelsea 3-2 as Mark Hughes claimed a famous scalp over a disbelieving Jose Mourinho.
Goals from Peter Crouch, Steven Ireland and a late strike from Oussama Assaidi gave Stoke the win, despite a double from Andre Schurrle, who gave Chelsea the lead early on.
Chelsea drop to third in the table after Liverpool beat West Ham 4-1 at Anfield to go above on goal difference, while Stoke climb to 12th following their superb showing.
After the shock result, it will be interesting to see where Mourinho goes from here, with the Champions League clash against Steaua Bucharest with some level of importance.
Here are six things we took from the five-goal thriller.