Defeat for Spurs leaves them 4pts behind Chelsea
Blues can win Premier League title next Friday
Lanzini swiped in from close range in the second half
Live reaction on BBC Radio 5 live
#bbcfootball or text 81111
In defence of SAM, the super-computer...
Raj Singh: Because 1-1 is the most likely of all the scores, but if you add up all the possible away win scores, an away win is most likely.
West Ham 0-0 Tottenham
Jermaine Jenas
Former England midfielder on BBC Radio 5 live
It is a good chance but I think Sam Byram has cut the ball back from a long way. He has got to get that ball into the six-yard box. That would be harder for Spurs to defend.
One of the game's big chances as West Ham full-back Sam Byram pulls the ball back to Andre Ayew, who leans back and lines one up from 20 yards but fires it over the bar.
Image source, PAWest Ham 0-0 Tottenham
Jermaine Jenas
Former England midfielder on BBC Radio 5 live
There have been two or three occasions where the ball has been hit across the six-yard box and Harry Kane is nowhere to be seen. Usually he's on those and he's reading those types of situations.
How did you get on with the BBC Radio 5 live half-time quiz? They asked which four players have played for both West Ham and Tottenham in the Premier League since 2006-07.
The answers are: Scott Parker, Robbie Keane, Calum Davenport and Mido.
Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
Fair play if you remember the existence of Calum Davenport.
Corner to Spurs as Sam Byram heads out Victor Wanyama's cross. But it comes to nothing.
#bbcfootball
Kris Jefferson: How can SAM think that the most probable score be a draw (1-1) but that an away win is the most probable outcome??
It's probably best we don't try to work out a super-computer's logic! Whatever a super-computer is.
West Ham have started the second half on the attack. No chances yet though.
Image source, ReutersWest Ham 0-0 Tottenham
West Ham get this second half under way.
SAM (Sports Analytics Machine) is a super-computer created by Professor Ian McHale at the University of Salford that is used to predict the outcome of football matches.
Today's verdict?
Most probable score: 1-1
Probability of draw: 22%
Probability of home win: 20%
Probability of away win: 58%
So there you go.
If you're wondering where all the goals are, they're being used up in the Bundesliga where Cologne are 4-3 up against Werder Bremen. Ex-Premier League duo Anthony Modeste and Serge Gnabry have netted there.
West Ham 0-0 Tottenham
Jermaine Jenas
Former England midfielder on BBC Radio 5 live
I think referee Anthony Taylor was right not to call a foul against Hugo Lloris (26 mins). If Manuel Lanzini had made contact on the ball, any contact, then I would be more inclined to say you could say it was obstruction and a dangerous foul.
You have got two players running at each other in a 50/50 - there is going to be contact. You can't avoid that. But Lanzini backed out, Lloris gets the ball.
It is a big decision for the referee because if he says it is a foul he has to send Lloris off. I thought he called it right by seeing Lloris won the ball and Lanzini didn't make contact.
Image source, .West Ham 0-0 Tottenham
Jermaine Jenas
Former England midfielder on BBC Radio 5 live
West Ham have played very well. What I've watched of West Ham this season, there is more intensity tonight than previously.
From Spurs' point of view I don't think Mauricio Pochettino will be very happy. They have had a lot of possession, but it is like the Palace game where he had to make changes.
Image source, #bbcfootballAs things stand, Spurs are three points below Chelsea - who will have a game in hand (against Middlesbrough on Monday).
They need to win today really. They need to win all their last four games - and then pray - to be fair.
West Ham 0-0 Tottenham
There were two minutes of injury time, but not much happened. We're level at the break.
We're just petering into half-time now.
Image source, Getty ImagesTackles flying in all over the shop now - too many to even keep track of. The referee keeps his cards in his pocket, maybe he used all his yellows up in the first few minutes.
Image source, ReutersWest Ham 0-0 Tottenham
Jermaine Jenas
Former England midfielder on BBC Radio 5 live
Although Spurs have had the majority of possession, they have done very little with it. West Ham have had the better chances and looked solid. I expected there to be more gaps for Eriksen, Son and Alli to cause problems but West Ham haven't let them.
West Ham 0-0 Tottenham
To reinforce Jermaine Jenas's point about Spurs's width (see 20.34 BST) - take a look at this graphic.
It shows the areas which have been attacked by the visitors in the opening 35 minutes, and indicates it has been an even(ish) split between each flank and down the middle.
Image source, Opta