Clinton Morrison
Former Crystal Palace striker on BBC Radio 5 Live

It's gone flat for West Ham since the substitutions and the drinks break, they need a different dimension.

Moussa Niakhate tries to carry on but pulls up almost immediately. Steve Cook is his replacement.

Oh no!

This doesn't look good for Forest. Moussa Niakhate has pulled up with what appears to be a hamstring problem. He's walking slowly off the pitch. The game carries on with Forest temporarily down to 10.

Fifteen minutes plus stoppages left. Will West Ham haul themselves back into this?

Simon Stone
BBC Sport at the City Ground

Michail Antonio spent a season at Nottingham Forest before joining West Ham in 2015.

The Forest fans clearly haven't forgotten. The striker received a standing ovation as he made his way round the pitch to the West Ham dug-out after he was substituted.

Forest have just made their first change. Sam Surridge for scorer Taiwo Awoniyi who gets a standing ovation.

West Ham have sent on Gianluca Scamacca and Manuel Lanzini. Pablo Fornals and Michail Antonio have been replaced.

Chelsea boss Thomas Tuchel has made two changes from last week's 1-0 win at Everton, with Cesar Azpilicueta and Ben Chilwell dropping down to the bench.

That means there is a full debut for £60m signing Marc Cucurella following his arrival from Brighton, while Ruben Loftus-Cheek is also called into the line-up.

Chelsea XI: Mendy, James, Silva, Koulibaly, Loftus-Cheek, Kante, Jorginho (capt), Cucurella, Mount, Havertz, Sterling.

Substitutes: Arrizabalaga, Pulisic, Chalobah, Broja, Hudson-Odoi, Chilwell, Ziyech, Gallagher, Azpilicueta.

Image source, BBC Sport

It comes as no surprise to see Antonio Conte sticking with the same Tottenham XI that started the 4-1 win over Southampton.

Summer signing Richarlison is named among the substitutes.

Tottenham XI: Lloris (capt), Royal, Romero, Dier, Davies, Sessegnon, Bentancur, Hojbjerg, Kulusevski, Son, Kane.

Substitutes: Forster, Doherty, Sanchez, Richarlison, Gil, Perisic, Tanganga, Moura, Bissouma.

Image source, BBC Sport

Another drinks break.

Phew! This has been five-start entertainment. Forest are putting on a great show.

Contrasting fortunes for Manchester United keepers past and present this weekend.

David de Gea had a shocker at Brentford. Dean Henderson is playing a blinder against West Ham.

Scott McKenna, who was booked for the penalty, makes a superb block to frustrate Michail Antonio. It's bodies on the line stuff from Forest.

Simon Stone
BBC Sport at the City Ground

Dean Henderson spoke at the start of the season about how let down he felt by Manchester United, having been made promises at the start of last season that Ole Gunnar Solskjaer failed to deliver on.

He is keen to show what he can do in order to push for a World Cup spot.

That won't have done him any harm.

Henderson got up quickly after that save and punched the air.

Will Forest finish the job?

It has been enthralling entertainment at the City Ground. Somehow, I suspect there is more drama to come.

Indeed it is a penalty. A chance for West Ham to equalise.

Nervous times for Forest.

The referee has gone to look at it on the monitor.

I think this is going to be a penalty for West Ham.

Incredible!

Said Benrahma strikes the woodwork from distance.

Then Tomas Soucek has a chance in the box which appears to strike the arm of Scott McKenna.

Is that a penalty?

This has had everything. Disallowed goals, attempts off the woodwork, a first Premier League home goal for Nottingham Forest for 23 years.

And there's still half an hour remaining.

West Ham do not want to start the season with two straight defeats and are getting ready to make changes.

They might have had a goal chalked off but that moment has lifted the atmosphere up another notch inside the City Ground.

Forest have their tails up and win a corner. Moussa Niakhate does so well to get on the end of it and forces the saves.

And Johnson was indeed offside. It stays at 1-0.