Chelsea 2-0 Arsenal Barclays Premier League Result: Diego Costa lashes out at Gabriel and Laurent Koscielny to spark FOUR-minute melee... and hothead escapes red while defender is sent off for kick

No handshake this time. Arsene Wenger straight down the tunnel as Jose Mourinho applauded his players.

That is that and Chelsea finally get their season up and running with a victory aided by two Arsenal sendings off. Goals from Kurt Zouma, a towering header from a Cesc Fabregas free-kick, then an Eden Hazard shot that deflected in off Calum Chambers, seal their second win of the league season.

The talking point though will be the two sendings off. Gabriel was wound up by Diego Costa, kicking out at his legs and being dismissed. And late in the game, Santi Cazorla was shown a second yellow for a mis-timed tackle on Cesc Fabregas.

Chelsea make their third and final change as we enter five minutes of stoppage time, with Mikel on for Cesc Fabregas. 

And there is Chelsea's second goal. More pressure on the Arsenal back line down the right and as they failed to clear it was moved by Remy to Hazard, whose hit deflected off Calum Chambers and wrong-footed Cech. 

There will be some dispute as to whether it was heading in and Hazard will no doubt claim it but Chambers deflected the ball quite decisively. 

Chelsea pushing for a second goal and a Hazard free-kick from about 25 yards is deflected by the wall over the bar.

Time for a Chelsea sub and a very clever one. Diego Costa will be taken off, moments after another ill-advised tackle, and Loic Remy comes on. The home fans stand as one to applaud the Spaniard off. Costa looks very annoyed at being taken off. 

Bad to worse for Arsenal I'm afraid. Fabregas just got to the ball a fraction before Santi Cazorla, getting a toe end on the ball, and then the Arsenal man slid in and fouled him. Correct decision by Mike Dean though it's not gone down well.

Diego Costa twisting and turning his way past a couple of defenders on the edge of the box. Bellerin puts his arm across his stomach, Costa collapses on the floor. Nothing doing.

Arsene Wenger going for break now with Alex Oxlade-Chamberlain on for the disappointing Alexis Sanchez and Olivier Giroud on for Mesut Ozil.

Chambers becomes the latest player to be booked as he slides in on Eden Hazard. Didn't get much of the ball and deservedly is cautioned.

Such a waste... Oscar had the chance to run at the Arsenal defence, which looks awfully stretched. He passed square along the edge of the box to Pedro coming in and he shoots wildly and over, ignoring the well-placed Costa to his right.

That will be Oscar's last contribution as he is replaced by Ramires in an effort to shore up the 1-0 lead.

Not far off a second goal for Chelsea. Hazard with a gorgeous turn, a burst of acceleration through the Arsenal defence and a low angled shot across the face of goal that slides just past the post.

Oscar, meanwhile, has been booked for a rash and late challenge on Laurent Koscielny a few moments ago. Mike Dean played the advantage but now comes back to book the Brazilian. 

Close to the leveller. A ball in over the top, Cahill allowed it to bounce, Zouma completely failed to clear and Sanchez, with it set up just to volley it home, misjudges and misses it. Agonisingly close for the Gunners.

Close to a second as Hazard sizes up the goal from 25 yards and fires off a powerful, swerving effort that Cech had to watch closely and then beat out. Strong hands by the Czech, though it was close to him.

There's the breakthrough and the 10 men couldn't hold out very long. Diego Costa, who is being roundly booed by the away fans, wins a free-kick about 45 yards out and Cesc Fabregas floated it to the back post.

Koscielny hadn't stepped up like the rest of the back line and it meant Zouma could sneak in at the back post onside and head past Cech. 

Looks worse with each replay for Arsenal, as Zouma was left totally unmarked as he ran through. Poor defending. 

Arsenal on the counter-attack and a yellow card for Ivanovic for a shove that gives the Gunners a free-kick in an excellent position on the edge of the box... 

Sanchez took it, the ball striking the wall and knocked out by Begovic. 

Welcome back, Chelsea have just got the second half underway and they are now the strong favourites to go on and win this against 10 men.

One change at the break, for Arsenal, as Calum Chambers replaces Francis Coquelin, who picked up a knock in the first period

Arsene Wenger stood with hands in pockets waiting to follow the referee Mike Dean into the tunnel as the half-time whistle goes.

Gabriel was done up like a kipper there by Diego Costa, who continued to wind him up after the initial booking and the Arsenal man snapped.

A heated end, then, to a rather disappointing half. 

Wait... it's not over yet. Gabriel has totally lost it and has kicked out at Costa during the aftermath of that first challenge. He has been shown a RED CARD. 

The replays show Gabriel backing into Costa, continuing to chat away, then he flicked out with his studs. Such a stupid thing to do, Wenger will be fuming. 

The game opens up all of a sudden, with the play flowing from end-to-end. Moments after Aaron Ramsey fails to get a shot away at one end, Chelsea's Pedro is forcing Cech into a smart low save.

And now Costa has reacted to Koscielny after they wrestled together in the box. Costa grabbed the defender by the face and then swung his arm around at him. Then, as they came back together, Costa chested him and Gabriel crashed to the ground. 

A yellow card issued to Costa and also Gabriel, who continues to chatter. A case to be made for Costa being lucky to still be on the field. 

A couple of speculative attempts by Chelsea, first from Kurt Zouma and then from Pedro, from range that sail into the Matthew Harding Stand without troubling Cech. 

The home fans appealing for a penalty as Gabriel quite literally wrestles Eden Hazard to the ground near the byline. Have seen those given, especially as Hazard was forcibly taken away from the ball, but Mike Dean is not moved.

The best chance yet for Chelsea. Fabregas has plenty of time and space to dink a ball over the top to Pedro, who'd stolen in off the shoulder of the defender. Cech was quickly out to smother though. 

Mourinho jumps up form his seat as Ivanovic fouls Sanchez. Not sure whether the Chelsea boss was annoyed at his defender for the challenge or the referee for awarding the free-kick! 

Meanwhile, Arsenal get in behind briefly and Walcott, opening his body up, tries to curl a shot into the far corner. It's a simple save for Begovic. 

Chelsea starting to assert themselves as we pass the midway point of the first half. Diego Costa had drifted out wide left and found the ball at his feet, cutting back inside and firing off a low shot that Cech got down to stop. 

Looks like Coquelin will be fine to continue. 

Francis Coquelin currently down on his haunches. Was dragged along the floor in a challenge with Matic and stayed down clutching his knee. He immediately signalled to the bench and Mikel Arteta was sent straight out to warm up.

Better from Chelsea as Eden Hazard and Cesc Fabregas combine brilliantly down the left wing, forcing a corner. But Arsenal manage to clear their lines. First signs of life really from the home team.

Two excellent tackles in quick succession by Chelsea to rob Arsenal of possession as they try to attack. First by Oscar and then Cahill to thwart Walcott as he started to accelerate towards them.

Then Alexis Sanchez collects the ball, spins and works a shooting position. But it's a poor effort that is about five yards wide of the near post.

But early signs that Arsenal are beginning to take control of proceedings.

Chelsea threaten for the first time and Cesc Fabregas, playing against his old club of course, suddenly finds the space opening up in front of him 30 yards out. He shoots and it's comfortable for Cech, who received a terrific reception from the home fans ahead of kick-off.

Lovely ball there by Hector Bellerin, floated into the space where he knew Theo Walcott would be sprinting into. Asmir Begovic committed himself but succeeded in pushing Walcott wide and out of play rather than conceding the foul. Good goalkeeping but an early warning for Chelsea of Walcott's raw pace.

Kieran Gill: Theo Walcott making runs off the shoulder of the last man. Already done so twice in the opening four minutes. His pace at getting behind could be Chelsea's weakness today... 

A bright opening couple of minutes for Arsenal, with Aaron Ramsey getting beyond Gary Cahill and to the byline. As he tries to work room to cross or shoot, Branislav Ivanovic comes in to challenge and then stares daggers at his team-mates for not handling the threat. 

And yes, there is the handshake between Wenger and Mourinho. Thank goodness for that. Still, Mourinho was waiting at the top of the steps from the tunnel for his opposite number, who would have done well to avoid him. 

And as the final bars of 'Blue as the Colour' drift into the London skies, Arsenal kick us off, shooting towards their 3,000 or so travelling fans in the first half.

The Premier League weekend starts now... the players of Chelsea and Arsenal emerge blinking into the west London sunlight. A full house and a beautifully manicured pitch. 

Both opting to wear tracksuits but home strips on underneath. Chelsea in blue, Arsenal in red.

Jose Mourinho was out early, sitting alone for a few minutes in the dug-out as he makes a habit of doing. He's dropped his captain John Terry today - genius or madness? We're about to find out. 

Kieran Gill: Roar from the Arsenal supporters as the players make their way over to train in front of the away end. They're up for it.

Chelsea now going down the tunnel. Less than 15 minutes until KO. The Bridge slowly filling up.

Arsene Wenger has just been on BT Sport. Here's what he had to say:

[On the game] Every game is a new adventure, you come here and try to win the game.

[Changes from the side that lost in Zagreb] It was under special circumstances and we're on a strong run in the Premier League and we want to continue that run.

[Handshake with Mourinho?] That's not my main worry at the moment - it is the performance of the team and the result.

Not long left to wait at Stamford Bridge, here's a reminder of the teams:

Chelsea: Begovic, Ivanovic, Cahill, Zouma, Azpilicueta, Fabregas, Matic, Pedro, Oscar, Hazard, Costa
Substitutes: Ramires, Falcao, Mikel, Remy, Terry, Blackman, Loftus-Cheek

Arsenal: Cech, Bellerin, Gabriel, Koscielny, Monreal, Coquelin, Cazorla, Ramsey, Ozil, Sanchez, Walcott
Substitutes: Debuchy, Gibbs, Arteta, Giroud, Ospina, Oxlade-Chamberlain, Chambers

Referee: Mike Dean (Wirral)

Chelsea manager Jose Mourinho has just been talking to BT Sport and, unlike last week, managed to finish the interview without walking off. Here's what he had to say:

[On this match] In these matches, it is normal that a victory brings some good feelings.

[On dropping Terry and making Ivanovic captain] Ivanovic comes in for Baba. We think Baba is a fantastic potential player but not yet adapted to the characteristics of the PL. The CL is more suited to his play. He did not have a pre-season, he arrived in the last days of the market.

John is a tactical decision. I tried to read the game, read the opponent and predict what they will be. We decided to go with Zouma and Cahill.

[Predictions] Not one of us is in a good moment so it is difficult to predict. But it is a London derby.

[On whether he'll shake Wenger's hand] I think it is a question for him, not for me.

Pete Jenson: If there is one thing that Cesar Azpilicueta has learned from his three years in England it is that no one gives up in the Premier League.

'Often in Spain you are winning 2-0 and there are 15 minutes left and the game is as good as over,' he says. 'The tempo drops and you control the match; in England that doesn't happen. The opposition put another striker on.

'They start putting the long balls into the area and if you concede in the 90th minute then you suffer in injury time too. It's a different mentality. Right until the last kick they give everything.'

As he and his Chelsea team-mates prepare to face Arsenal on Saturday he also knows that the same goes for a Premier League season.

There is to be no throwing the blue towel in after just five games – even if Chelsea do find themselves 11 points off the pace after their worst start in the top flight since 1986.

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The first update from our team of reporters at Stamford Bridge today.

Kieran Gill: Afternoon from a baking west London. All eyes on Stamford Bridge for the next few hours. West Ham did Chelsea a favour on Monday, beating Newcastle to make sure Jose Mourinho didn't find out what the Premier League's relegation zone feels like for the first time in his career. Time for them to take matters into their own hands, though.

In their last seven league meetings with Arsenal, Chelsea have kept five clean sheets. They'd kill for today to be their first of the season.

Less than an hour until Kick-Off!

Matt Barlow: Chelsea supporters are planning a hero's homecoming for Petr Cech when the goalkeeper returns as an Arsenal player on Saturday.

Cech will appear at Stamford Bridge for the first time since his £10million move to join Arsene Wenger's team.

It comes at a time when champions Chelsea are beset by problems, with only four points from their first five Barclays Premier League games, but fans are determined to give him a warm reception.

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Chelsea: Begovic; Ivanovic, Zouma, Cahill, Azpilicueta; Matic, Fabregas; Pedro, Oscar, Hazard; Diego Costa
Substitutes: Blackman, Terry, Mikel, Ramires, Loftus-Cheek, Falcao, Remy

Arsenal: Cech; Bellerin, Gabriel, Koscielny, Monreal; Coquelin, Cazorla; Ramsey, Ozil, Sanchez; Walcott
Substitutes: Ospina, Debuchy, Gibbs, Chambers, Arteta, Oxlade-Chamberlain, Giroud

Referee: Mike Dean

Matt Lawton Exclusive: Jose Mourinho is accused of calling former Chelsea team doctor Eva Carneiro a ‘daughter of a whore’ in the public complaint now being investigated by the Football Association.

Chelsea’s manager has strenuously denied to club officials that he said ‘filha da puta’ in an incident captured by Sky television cameras last month, insisting he said ‘filho da puta’; which in Portuguese would mean ‘son of a bitch’.

But the complainant has provided video footage and, based on the expertise of a ‘native Portuguese speaker’, insists Mourinho has directed the feminine version of the insult at Gibraltar-born Carneiro.

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Kieran Gill: Even if Chelsea matched their record-breaking ratio from a decade ago, when they were crowned champions with 95 points, history tells them they would still not win the title this season.

Whether or not Chelsea are already out of the Barclays Premier League title race has been debated following defeat by Everton ‒ their third after just five games.

Ten years ago, they won the title with a record 95 points, averaging 2.5 per game. If Chelsea repeated that ratio in their remaining 33 matches, they would fail to hit the usual title-winning average which stands at 88.

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And of course it'll all be covered live here on MailOnline...

Matt Barlow: Jose Mourinho will offer a handshake to Arsene Wenger when his arch-enemy arrives at Stamford Bridge.

Whether Wenger accepts is another matter. Whether it is received as a genuine peace offering is highly unlikely.

The Arsenal manager makes no secret of his feelings towards Mourinho, despite refusing to verbalise them on Friday. He has long since tired of responding to the verbal grenades lobbed his way from across the capital.

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It's one of the biggest fixtures on the Premier League calendar, a simmering rivalry that has intensified over the past decade. 

Arsenal and Chelsea. Separated by just a few miles but joined by their ambitions to be the best team in the land. 10 years ago, the power lay with Arsenal. Now, Chelsea have dominion. 

Today, a little twist. It's Chelsea who are struggling, entering this lunchtime's clash at Stamford Bridge, incredibly, fourth from bottom. Arsenal are the side in form and buoyed by their win over the Blues in the Community Shield last month.

It's competitive, combustible and always compelling. It's Chelsea vs Arsenal. Welcome along...