- West Ham XI: Adrian, Jenkinson, Reid, Ogbonna, Cresswell, Obiang, Kouyate, Zarate, Lanzini, Moses, Sakho
- West Brom XI: Myhill, Dawson, McAuley, Olsson, Evans, Morrison, Fletcher, Yacob, McClean, Sessegnon, Rondon
The free-kick is the last chance of the match as referee Martin Atkinson blows the full-time whistle. A draw was a strong possibility before the match and that's the way it turned out in the 100th game between these two sides.
Baggies midfielder Claudio Yacob fouls Manuel Lanzini and the Hammers have a free-kick in a dangerous position - 22 yards out in a central position. Aaron Cresswell steps up to take the set piece and his low effort is palmed away by keeper Boaz Myhill.
There will be four minutes of added time...
A chance at the other end now. Rickie Lambert plays a lovely ball over the top of West Ham's defence but James McLean can only poke it straight at keeper Adrian as he fails to get enough power on his shot at full stretch.
West Brom can't clear their lines and Andy Carroll finds Manuel Lanzini. He does well to deliver a cross to Victor Moses, whose volley goes agonisingly wide for the home side.
West Ham are still dominating possession but can they turn it into a goal?
Right, is there a hero in the ranks at Upton Park? Has anybody got the quality to earn their side a winner? We'll find out in the next six minutes or so...
A Hammers free-kick is launched into the Baggie box and Andy Carroll gets in a shot which is charged down in a crowded area.
About 10 minutes to go and Hammers boss Slaven Bilic brings on Michail Antonio for Mauro Zarate.
Diafra Sakho is left on the floor after his effort and he immediately signals to the bench that he is injured. Nikica Jelavic comes on in his place and Sakho could be out for a while judging by the way he has limped back to the dressing room.
The Hammers break with Victor Moses and he charges at the Baggies goal. He finds striker Diafra Sakho, who is in a good position but sees his angled shot is brilliantly blocked by the sliding Jonas Olsson.
West Ham striker Andy Carroll, with his hair neatly put in a bun, comes on for midfielder Pedro Obiang.
Salomon Rondon looks set to put West Brom in front as he rises to meet a Darren Fletcher chipped cross but his header is brilliantly saved at point blank range by keeper Adrian. Top keeping.
Rickie Lambert is certainly making his presence felt at the Boleyn Ground after his half-time introduction. The striker wins a free-kick and his resultant free-kick from 30 yards is palmed wide by keeper Adrian.
West Brom have scored in this game despite not managing a shot on target themselves yet.
West Brom have a bit more about them in the second half so I'm guessing manager Tony Pulis might have had a bit to say at half-time. Hairdryer.
What a substituition. Rickie Lambert has only just come on but helped his side equalise. Darren Fletcher makes a powerful run before Lambert's left-foot shot comes off West Ham defender Winston Reid and goes into the Hammers net.
It's as you were at the start of the second half as West Ham are on the attack and the Baggies hanging on.
The visitors make a change for the second half as Rickie Lambert comes on for Stephane Sessegnon as the home side get the second half under way...
West Brom might be losing but Baggies midfielder James McLean appears to be doing his bit for them. He has covered the most distance of any of the players in the first half (6.20 km), made the most sprints (40) and his average speed of 8.02 km/h is also the highest in the match so far.
West Ham are looking much more of a threat compared to West Brom and are applying pressure on the Baggies left flank...
Match of the Day commentator at Upton Park
"West Ham are in front thanks to a brilliant free-kick from Mauro Zarate after a first half in which West Brom hardly threatened Hammers keeper Adrian."
West Brom survive another scare. A ball is fizzed across their area from the left and finds Diafra Sakho, whose shot is blocked by defender Jonny Evans.
West Ham keeper Adrian has hardly had anything to do. He might as well get his tablet or phone out and do a bit of Christmas shopping.
West Ham have lost just one of the last 22 Premier League games that they have scored first in (W15 D6 L1) before today. The defeat came in a 1-2 loss at home to Everton in May.
Along with having the lion's share of possession, West Ham have also had five shots - of which three have been on target - compared to West Brom's one.
If you needed evidence West Ham are on top, here it is...
Another West Ham chance. Goalscorer Mauro Zarate produces a nice run on the right of the Baggies box and squares the ball for Manuel Lanzini, whose first-time shot is palmed away by keeper Boaz Myhill.
Mauro Zarate's goal for the Hammers was the eighth direct free-kick scored in the Premier League so far this season.
West Ham are all over the Baggies. Manuel Lanzini robs Claudio Yacob off the ball, runs at the visitors' defence and unleashes a swerving strike which keeper Boaz Myhill fends away.
West Brom are rocking. Cheikhou Kouyate makes a run in between the two Baggies centre-backs to meet Aaron Cresswell's cross but heads his effort wide.
Baggies defender Jonas Olsson is booked for dissent in the aftermath of Mauro Zarate's goal. I can only think that he was complaining to referee Martin Atkinson over the foul by Garath McAuley's on Diafra Sakho which led to the goal.
What was I saying about West Brom being a tough nut to crack? Well forget it as Mauro Zarate has just breached the Baggies defence with an exquisite free-kick. He sized up the chance from 25-yards before curling his effort over the wall and into the top corner. Lovely.