West Brom have defeated Chelsea 5-2 in what is the first victory of the Baggies in Stamford Bridge.
The defeat broke the unbeaten run of Manager Thomas Tuchel who took over from club legend Frank Lampard.
It was broke the 14-match unbeaten run of the club.
Chelsea drew the first blood through Pulisic in the 27th minute.
But things went bad when Thiago Silva received a straight red card.
West Brom took the driver seat with goals from Costa Pereira (45’+2minutes, 45’+4minutes), Robinson (63’minutes, 90’+1minutes), Diagne (68’minutes) before Mount reduced the deficit in the 71st minute.