94 min FULL-TIME: United now eight points clear at the top. West Ham drop back into the bottom three on goal difference. Rooney was on a one-man crusade. He was brilliant. Mason, however, was very poor with vital decisions.
90 min: Four minutes of added time as United seek a fifth. To be fair, West Ham have defended poorly - it was United's failure to take their chances in the first half that made this more of a match than it should have been. The visitors have been excellent in the second half, playing like the champions they are. and are likely to be again if Arsenal continue to choke. The Hammers have offered very little up front. It's hard to remember a worthwhile chance at the other end, but defensively, they drop far too deep - and have been doing so all season.
85 min GOAL: West Ham 2 MANCHESTER UNITED 4 Giggs is left alone on the left and crosses, the ball eludes Jacobsen, and goes through the legs of Upson. HERNANDEZ is left with a simple chance to tap home at the far post. Game over.
81 min: Time to recap: United should be down to 10 men. The first United goal came via a free-kick that wasn't and their third comes via a penalty that should never have been given. On the plus-side, that evens for man United win looks better value now! Well done Mr. Mason - you've spoilt what was a good game.
Well done, son: Rooney's 14-minute hat-trick is saluted by Hernandez
80 min: West Ham 2 MANCHESTER UNITED 3 ROONEY dispatches the penalty, sending Green the wrong way.
79 min PENALTY: Shocking decision by Lancashire ref Mason. Fabio gets to the byline and tries to cut the ball back, blasting the ball upwards at Upson, who is half a yard away. The ball hits his arm, but there was no way he could get out of the way. Mason gives the penalty.
76 min: Terrible defending by West Ham at present. The confidence has really ebbed away. United looking for the winner now.
73 min GOAL: West Ham 2 MANCHESTER UNITED 2 A second piece of brilliance by ROONEY. He takes the pace off of Valencia's right-wing cross with his first touch, then fires across Green and into the net with his second! A great goal and no more than United deserve.
72 min: It's all United. It can't be long before United get another.
70 min: Berbatov, who replaced Park in the 64th minute, works an opening down the left. From a very tight angle, he forces Green to save at his near post with his feet. A let-off for the Hammers. The corner comes to nothing.
69 min: Hammers make a change. Cole is replaced by Piquionne.
65 min GOAL: West Ham 2 MANCHESTER UNITED 1: Brilliant free-kick by ROONEY, who curls it round the wall from 23 yards and past a despairing Green. Could the ref be accused of looking to even things up? Not for me to say, but it was a moment of magic from England's best player, nonetheless.
64 min: A poor decision by Mason gives United a dubious free-kick on the edge of the West Ham box. Noble is deemed to concede it, but it looked a great tackle on Carrick.
62 min: Rooney breaks but the return ball from Hernandez is cut out. United surging forward; da Costa is forced to head clear again.
59 min: Da Costa is booked (not for a silly haircut) but for unsporting behaviour after a foul on Rooney. Hammers look comfortable at the moment, but a goal would see the nerves jangling.
55 min: Da Costa loses out to Park when initially he looked to have cleared the danger. Park thumps the ball off the Hammers' defender and gets a corner, which goes a long way before it is cleared.
53 min: Cole works an opening on the left and though his shot is blocked, it is another warning for United.
49 min: Vidic brings down Ba again. He's giving Mason every opportunity to send him off, but ref Mason turns the other cheek.
48 min: Now I like Hammers' co-owner David Sullivan. He's a good bloke and has horses with Brian Meehan. A good fella to talk to. but that Russian-style coat of his really annoys me. My problem, though, David.
46 min: Tactical change for United: Hernandez is on for Evra. Giggs gets him involved immediately, firing in a left-wing cross that Hernandez runs onto at the near post, but the ball flies over via his shin.
HALF-TIME: The interval has the Hammers' fans in great voice. Can they actually stay up? West Ham are now a best-priced 1-3 with Stan James, while United are 11-1 to win with Bet365. Hills offer 11-2 for the draw. Seems a bit big, that price from the Leeds-based firm. United have looked the more dangerous, but how much do they miss the former Hammers' defender Rio Ferdinand? The defence has not been at the races, but aside from the two penalties, Kuszczak hasn't had anything significant to do.
Looking at the first goal, it was a terrific ball from Hitzlsperger out of defence to set Cole free. If there is one significant factor in the rise of the Hammers in the last month or so, it is the return of the German international from injury.
Two down: Kuszczak fails to stop Noble's second penalty
44 min: Hammers' potential problem is that they are not defending high enough up the pitch. Rooney goes down under pressure in the West Ham box from Jacobsen, but makes a meal of it and Mason allows play to continue.
43 min: Hitzlsperger curls a left-footed free kick with pace, over the wall and it though United's keeper is stranded, it curls just wide.
42 min: Vidic very lucky to stay on the pitch. Ba was hauled down - he was clearly the last man. Sorry, but it looks like Mason bottled it. He issues a yellow card. Does anyone find it odd that referees wear microphones and ear-pieces, yet there is no instant replay? Why, then, do they wear them?
38min : Cole's neat footwork almost puts Ba in, but United clear their lines. Ba looked a bit sheepish (sorry) in the challenge.
33 mins: West Ham break. O'Neill gallops down the right and fires the ball across into the path of Hitzlsperger, who half-volleys on the run from 30 yards. Would have been a spectacular goal. had it not flown high and wide.
32 min: Half-hearted appeals for a United penalty after the ball flicks up on Upson's chest. Denied.
29 mins: Park has a great chance to reduce the deficit. Rooney's brilliant work on the right sees him whip the ball in and although partially headed clear, the ball falls to Park who has all the time in the world to measure a volley, but he hits it straight at Green. Though thumped with real force, the keeper makes a stunning save and the ball flies over. Giggs' corner is met by Smalling at the far post, but the header is wide. A let-off for the Hammers.
Contentious decision: Vidic points to the spot where he says he brought Cole down for the second penalty
26 min: What the devil is the world coming to? Still, we've seen the Hammers give away a lot of games late on this season. There's plenty of time - and no doubt there will be some hairdryer treatment at half-time from Fergie.
25 min: WEST HAM 2-0 Manchester United
25 min: NOBLE goes the other side, blasting the ball high and wide of the keeper's outstretched right hand and into the top corner to make it 2-0.
25 min PENALTY: Stunner! Cole's forray down the left, sees him try to cut inside Vidic on the left side of the United box. Vidic sticks a leg out and although commits a foul, it is right on the edge. Cole goes over and Mason gives a penalty. Bit harsh looking at the replay, but Parker has a chance to really put a dent in United's title hopes and give West ham a vital relegation lifeline.
24 min: Hitzlsperger brings down Park and could well have been booked - but isn't.
21 min: Ba almost gets in behind the United rearguard after good work from Cole and O'Neill, but he handles the ball and is rightfully pulled up for it. For all their pressure, United don't look too clever at the back.
19 min: It's all United. West Ham's midfield can't get control.
18 min: Rooney wins another corner. Again Da Costa is the one to clear the danger. Resulting corner is headed clear by Da Costa, but Rooney works an opening on the right and fires the ball in low. Giggs has a chance to turn on it, but his shot flies wide via a deflection. United's corner comes to nothing. Good spell, this, from the visitors.
Making a mark: Noble (left) and Upson celebrate the first of two first-half penalties
17 min: Neat United move involving Carrick, Rooney and Valencia sees the winger cut inside from the right and send a low cross into the six yard box. Da Costa clears under pressure. Could have put through his own net.
14 min: Another United corner - their fourth - comes to nothing.
11 min: WEST HAM 1-0 Manchester United
11 min: NOBLE places the ball to the keeper's right. Kuszczak goes the wrong way and West ham take an early - if undeserved lead - at Upton Park.
10 min PENALTY: Longball forward from hammers catches out the United defence. Cole, withhis back to goal, tries to flick the ball over Evra's head in the boxand the defender inexplicably puts his hands up. No intent? He almostcaught it. Hammers are given a penalty.
8 min: ThirdUnited corner, conceded by O'Neill. Giggs takes, but Da Costa headsaway. Cole plays the ball back 25 yards and Hammers have a job gettingit away.
7 min: Former West Ham man Carrick fires over from range. Who does he think he is, Frank Lampard Junior?
5 min:Fabio goes in strongly on Bridge, but despite clattering the West hamleft-back the referee (from Lancashire) gives nothing more than afree-kick). Could easily have been a yellow card, there. Kuszczakclaims easily.
4 min: Another corner. Smalling gets there again but header is very wayward.
3 min: Valencia,Fabio and Park combine to force a corner for United. Giggs' inswingersees Smalling rise at the far post, forcing Green to tip over. 1 min: Hammers kick off. Immediately they go on the attack, but Hitzlsperger's cross comes to nothing.
Random thought: Good to see that there are no fans moonwalking, wearing surgical masks or one white glove at Upton Park. Will we be saying the same at Craven Cottage on Sunday?
It's ironic when you think about it. The only Jackson accused of committing a lewd act is Janet at the Super Bowl. Surely Fulham fans would prefer to see a statue of that!?
I can just imagine the commentator on Sunday: "And here come Fulham. Shamone-Eh!'
In 15 Premier League games at Upton Park, the Hammers have won just twice. There have been seven draws and United have won six times.
Hammers have not scored against United in their last five League games. Is this an omen?
United leave out Edwin van der Sar to a groin injury. In comes Tomasz Kuszczak as Fergie saves his No1 keeper for their vital Champions League quarter-final in midweek. Ji-Sung Park makes his first start in 2011 after recovering from a hamstring problem.
Victor Chandler are going out on a limb a little bit, offering United at evens. The draw is a general 5-2, while the Hammers, who beat United 4-0 here in the Carling Cup - against an admittedly weak side - are a best-priced 15-4 with Blue Square.
For my money, all Sir Alex Ferguson has to do is pin up that 4-0 scoreline on the dressing room wall and say nowt. That should be all the motivation they need. For my money, a United victory is on the cards.
Interesting news to start the day for West Ham fans: Robbie Keane has confirmed he will stay at Upton Park next season if they avoid relegation.
Tottenham striker Keane joined the Hammers on loan with a view to a permanent deal - reportedly worth ?6million - during the January transfer window.
England's finest: West ham's Scott Parker and Manchester United's Wayne Rooney set to go at it in the lunch-time kick-off
The 30-year-old has endured an injury-hit start to life at Upton Park but that has not put him off wanting to commit his future should the club complete one of the greatest survival feats in Premier League history.
He told the Hammers' official programme: 'First and foremost, I just want to get on the pitch and play football. 'It is a short career, so the last thing I want to be doing is sitting on the bench.
At my age, I need to be playing regular football and, hopefully, with the squad of players we have, we're quite capable of staying in the Premier League.
If that's the case then I'll obviously be here next year.'
The teams are in:
West Ham:Green, Jacobsen, da Costa, Upson, Bridge, O'Neil, Parker, Noble,Hitzlsperger, Cole, Ba. Subs: Boffin, Reid, Tomkins, Spector,Piquionne, Obinna, Keane.
Man Utd:Kuszczak, Fabio Da Silva, Smalling, Vidic, Evra, Valencia, Gibson,Carrick, Park, Giggs, Rooney. Subs: Amos, Owen, Anderson, Berbatov,Hernandez, Nani, Gill.
Referee: Lee Mason (Lancashire)
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