Good afternoonpublished at 16:55 British Summer Time 17 September 2016
That's your lot from me.
You can read the full match report here and all the reaction to this game and today's other Premier League action here.
Two changes for West Ham as Ogbonna and Nordtveit start
WBA make two changes as Rondón and McClean start
Hal Robson-Kanu on bench for Baggies
Matt Davis
West Brom 4-2 West Ham
Huge win for West Brom.
That first hour killed West Ham. Despite two goals in four minutes, they were always going to struggle to get anything out of the game.
A fourth league defeat for West Ham and a first home win for West Brom since March.
West Brom 4-2 West Ham
That could have been the dream start for Hal Robson-Kanu.
Matt Phillips puts in a delightful cross but the Welshman is inches away from poking it into an empty net.
West Brom 4-2 West Ham
Salomon Rondon is replaced by Hal-Robson Kanu. who makes his West Brom debut.
West Brom 4-2 West Ham
West Brom 4-2 West Ham
West Brom are not sitting back here.
James McClean has a pop but it is saved by Adrian.
West Brom 4-2 West Ham
Michail Antonio cross is met by James Collins but Ben Foster makes a crucial save.
That would have made things very interesting.
West Brom 4-2 West Ham
Arthur Masuaku is off with Ashley Fletcher on.
West Brom 4-2 West Ham
A rare corner for West Brom in this half and some respite from the West Ham bombardment.
West Brom 4-2 West Ham
West Ham have had 10 shots in this second-half so far with Dimitri Payet the latest to let one fly.
Three of their shots have been on target, they only had one on target in the first-half.
West Brom 4-2 West Ham
Nacer Chadli is off injured, replaced by James Morrison.
West Brom 4-2 West Ham
Dimitri Payet has a crack from distance and wins a corner.
This could be an exciting finish.
West Brom 4-2 West Ham
Any predictions how this one will end?
West Brom looked home and dry when it was 4-0 - 10 minutes later and their lead has been halved.
Brendan Galloway is off and Nyom is on to make his debut.
Manuel Lanzini
The Argentine slots in the bottom left corner.
Comeback on?
Just under half an hour left.
West Brom 4-1 West Ham
Dimitri Payet is fouled by Brendan Galloway and Mark Clattenburg points to the spot.
Michail Antonio
Will this be any more than just a consolation goal?
Dimitri Payet's cross from the left is met by Michail Antonio who heads in his fifth Premier League of the season.
He can't stop scoring with his head at the moment.
West Brom 3-0 West Ham
Dimitri Payet has a free-kick and it smashes the top left corner of the woodwork.
Nacer Chadli
It all came from a West Ham corner. They tried to take it quickly but West Brom broke.
Salomon Rondon led the counter-attack, sprinting forward clear of the West Ham defence, who were sitting very high.
With just the keeper to beat and the Hammers defence in pursuit, Rondon unselfishly squared to Nacer Chadli who poked home for his second.
West Brom 3-0 West Ham
Michail Antonio cuts in on the right and drives into the box and tries his luck but his shot is saved by Ben Foster.
West Brom are under pressure here.
West Brom 3-0 West Ham
West Ham are showing more attacking intent in this half.
Suspect Slaven Bilic did not mince his words at half-time.
Ben Foster tries to punch away a tricky cross, and he clatters into Jonathan Calleri but the free-kick is given against the Hammers player.
Bilic is not amused.