• Minute-by-minute updates from the 8pm kick-off
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Ian Melven gets in touch: “I see Potter has gone with the lesser-spotted 1-2-2-2-2-1 formation for West Ham. Innovative stuff.”

Here’s the man in the frame tonight. Not a natural headline-maker but so much to prove to Chelsea.

There were 21 months between Chelsea ditching Potter and West Ham turning to him. The 49-year-old has arrived at the London Stadium at a difficult time. West Ham erred in appointing Julen Lopetegui last summer and an announcement is due on parting company with their overhyped technical director, Tim Steidten, who played a sorry part in creating a squad lacking in depth and pace.