After the England international was injured in a warm-up match, Chelsea will have to do it in a match tonight at West Ham.
Palmer left the pre-match workout early and disappeared in the tunnels at the London Stadium, an unspecified issue.
The former Manchester City star will not attend tonight shortly before the start.
Brazilian youngster Estevao Willian replaced him in the starting XI, who started the Premier League for the first time.
Palmer “feeling” – Maresca
Enzo Maresca told Sky Sports that Palmer had “there was something” and was ruled out in preventive measures.
Expert Jamie Redknapp said it was a big push for the Hammers, who are looking to rebound from a disappointing 3-0 defeat in Sunderland last weekend.
“It’s disappointing for neutral and everyone is playing this game, but for West Ham, it’s good news for the manager because he’s [Cole Palmer] Chelsea’s best player and amulet. ”
