Mauricio Pochettino confident of rapid Chelsea improvement after West Ham defeat

Mauricio Pochettino is confident Chelsea will improve quickly despite an alarming 3-1 defeat at 10-man West Ham.

The Blues were the better side but James Ward-Prowse, making his Hammers debut, created goals for Nayef Aguerd and Michail Antonio, either side of Carney Chukwuemeka’s equaliser.

Enzo Fernandez had a penalty saved by Alphonse Areola and West Ham had to play the final 25 minutes a player down after Aguerd saw red.

A huge derby win for the Hammers despite going a man down

— Premier League (@premierleague)

Yet not only did David Moyes’ side cling on for a first win of the season, they wrapped it up in stoppage time.

While Chelsea’s £105million player missed a spot-kick, their £115million signing gave one away with Mois…