James Ward-Prowse set up two goals on his West Ham debut and Lucas Paqueta scored a late penalty as the 10-man Hammers somehow secured a 3-1 win over Chelsea.
Mauricio Pochettino said both sides must take their share of the blame for the long-running standoff between Chelsea and Romelu Lukaku with the striker's future seemingly no closer to being resolved.
Chelsea manager Mauricio Pochettino has warned the club's new signings that they aren't guaranteed a place in the starting XI.
Pep Guardiola is convinced Manchester City would be heavily criticised if they spent the kind of money Chelsea have in the transfer market.
Mauricio Pochettino says Chelsea must adapt their current squad rather than continue to seek solutions in the transfer market after failing in their bid to sign Michael Olise.
Chelsea have completed the signing of midfielder Romeo Lavia from Southampton for a reported £53million, possibly rising to £58m.