The efficient Arsenal front line made more of the high back lines | David Pleat

Both sides squeezed the centre of the pitch, leaving space behind, but the Arsenal strikers took better advantage of it

This was a helter-skelter occasion, a game of huge excitement with all caution thrown to the wind, and at its conclusion the professor had gazumped the apprentice. Yet the thrill this match provided was encouraged throughout by naive defending from both sides. On the day, the efficiency of Arsenal’s forwards better masked their own team’s defensive vulnerability. Chelsea missed their opportunities and paid the price.

It was the eagerness of both sides to play such high defensive lines that opened this contest up. Arsenal set that tone early on, with Per Mertesacker squeezing the play to keep Fernando Torres further away from goal and, in doing so, ensure the distances between the visitors’ backline, midfield and frontline stayed relatively short. The upside of the tactic was that the visitors were never strung out and, when possession was regained, they were close to each other to support. The flip side, though, was the pockets of space left between defenders and the acres behind them that Chelsea’s forwards sought to exploit.

A sharper home attack would have punished the Arsenal bravery. They ran invitingly and unopposed behind Arsenal’s full-backs in the contest’s opening minutes and might have established a healthy early lead. It was a dangerous tactic for Arsenal to adopt, given that top-quality players, given a fraction of a second, can time a pass to perfection and send team-mates bearing down on goal. Mertesacker might have preferred to have sat deeper among his back four. Yet he was spared at times here because Daniel Sturridge seemed uncertain of touch, Torres was passive and Juan Mata was unable to command the ball enough to dictate the proceedings.

But Chelsea too, perhaps somewhat surprisingly, played high and left space behind, which Theo Walcott, in particular, relished. The England winger ran merrily beyond Ashley Cole (see diagram), his accurate selection of pass a pleasing improvement. The opportunities passed up by Gervinho and Robin van Persie in the opening 15 minutes were an indication of how open Chelsea were, with Walcott outpacing Cole at will. When playing such a high line, there must always be pressure exerted on the player in possession who is seeking to thread the ball through. It said a lot for Aaron Ramsey’s performance that, after the interval in particular, he was able to escape the attentions of Mikel John Obi when Arsène Wenger pushed the Welshman further forward to contribute telling passes.

With Alex Song holding, Ramsey was better able to express himself; his is an old head on young shoulders, twisting and turning, with his timing of the pass spot on. Given responsibility, and now injury-free, Ramsey could prove inspirational. Gervinho was bright and worked hard, offering Van

Luka Modric could be the key to unlock a whirlwind of goals for El Niño

Chelsea will have to up their offer for the Croatian midfielder, but he would be a crucial piece in Abramovich’s jigsaw

What is Luka Modric worth? £30m? £40m? £50m? Certainly more than the £22m offered by Chelsea to Tottenham Hotspur if a player described as the Premier League’s best by Sir Alex Ferguson is to be prised away from White Hart Lane.

Roman Abramovich, the Chelsea owner, will know this and so too Daniel Levy, the Spurs chairman. Levy has made his mistakes in the transfer market but is now a canny operator. He will be fully aware that Manchester United and Manchester City retain a keen interest in the Croatian.

At some point they are bound to join Chelsea to make this a summer auction that could inflate the prospective fee for the 25-year-old well beyond £30m. Or even higher when the £18m shelled out to Blackburn Rovers by United for Phil Jones and the £20m Sunderland received from Liverpool for Jordan Henderson are considered. Surely Modric is worth considerably more than those two.

With Fernando Torres so far a £50m flop at Chelsea “Little Mozart” is viewed by Abramovich as the key to unlocking a glut of goals from El Niño. With Frank Lampard’s career turning towards autumn and Michael Esssien not the force he was before his debilitating knee injuries, Modric would be the future of Chelsea and the latest fantasy footballer signed by the Russian in the line that includes Juan Sebastián Verón, Deco, and Torres. At Spurs Modric wears the No14 shirt and his hair long as Johan Cryuff did for Holland, and the fluid style with which he bewitches opponents as he smoothly navigates the hard corridors of midfield is also reminiscent of the Dutch maestro.

Now, admirers queue up to lavish praise on Modric as Chelsea consider a further bid, and City and United decide when to enter the market. Slaven Bilic, then the Croatia coach, said of Modric’s signing by Juande Ramos for £16m in April 2008: “At Tottenham it will be different. Ramos will have patience with him so he gets used to the Premier League style of play. I’m certain that Luka will become their main power, the star of the team.”

This has come to pass. Now, what Modric wants is Champions League football each and every season. Yet when the new term starts in August there will be no European Cup on the horizon for him at Spurs. The ever-pragmatic Harry Redknapp can see the writing on the wall and so reaches for denial.

“All of our key players are under contract,” he says. “The chairman and I have discussed this and we have no intention of selling any of them. They are at a top club and we are looking to improve the squad in the summer, not weaken it, in order to push for a Champions League place again next season.”

But if the price is right Modric will not have to wait until the 2012-13 campaign to play in that competition.

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Chelsea’s £22m bid for Tottenham’s Luka Modric not enough, says agent

• Current bid will not tempt Spurs to sell midfielder
• Agent says £22m ‘greatly undervalues’ Modric

Luka Modric’s agent says Chelsea will have to up their bid for his client if they are to prise him away from Tottenham.

Spurs are understood to have rejected a £22m offer for the Croatian, who starred in the club’s European and domestic campaigns last season. The Tottenham manager, Harry Redknapp, recently described Modric as “irreplaceable”, but a higher bid could force his hand.

Modric, who scored four times last season, signed a new contract in May 2010 and has indicated that he would only be willing to leave the north London club if they change their stance and indicate they are ready to sell him.

Modric’s agent, Nikki Arthur Vuksan, said: “The price that has been written greatly undervalues the price that the club values him at the moment. If there has been a bid of £22m I am not surprised that the club have rejected it. That figure is near to the fee that Spurs paid for Luka [around £16m].”

Vuksan said he had not yet been informed that Chelsea have made a bid, but said he was ready to talk to Chelsea or any other club, should Spurs accept an offer.

“The chairman has said he doesn’t want to sell Luka and Luka is happy at Spurs. [But] if an offer comes to the club that they are happy to accept, then he is willing to talk to the club. Let’s see what happens.”

Manchester United have also been linked with a move for Modric, who arrived at White Hart Lane from Dinamo Zagreb three years ago.

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