It's been a common theme this season and it works so well - winning 1-0 is as good as winning 4 or 5-0 in terms of points.
Both Liverpool and Tottenham opened the season with single-goal victories thanks to Daniel Sturridge and Roberto Soldado (from the penalty spot).
While the Reds have turned into an irresistible force of late, Spurs have preferred to remain an immovable object, to the surprise of many Chelsea fans who remember that setting up a defence was one of Andre Villas-Boas's main downfalls as Blues manager.
On the contrary, the defence he has assembled with the Lilywhites has been nothing short of superb as AVB has masterminded no less than four 1-0 victories this season - three of them against the promoted teams Hull, Crystal Palace and Cardiff.
Whilst there is an argument that these scorelines do not look so impressive, one could beg to differ given the 2-0 wins over Norwich and Aston Villa. Scratch the off-day that was the 3-0 reverse at home to West Ham and Spurs have only conceded two goals this season.
It is the sign of a backline keeping perfectly watertight, even keeping reasonably tight when the big boys come to town, with only one goal conceded against both Arsenal and Chelsea.
That one goal was of course enough for the Gunners to topple their bitter rivals, but the bigger picture remains. Particularly with such attacking full-backs as Kyle Walker on their books, it highlights the outstanding job done by both Michael Dawson and Jan Vertonghen this season.
Surely Dawson cannot be ignored for much longer by Roy Hodgson - and the ex-Nottingham Forest man deserves extra credit for the way he has turned his career around after being on the verge of a move to QPR just over a year ago.
It is also testament to the brilliant business done by Spurs to acquire Paulinho, and that midfield base looks even more solid when you add Sandro to the equation, now that the Brazilian has recovered from injury. The role these two perform allow the likes of Andros Townsend and Christian Eriksen to express themselves fully and create problems for opposition defences - and Paulinho even chipped in with the late winner himself against Cardiff.
It remains to be seen if Tottenham's superb defensive record can be maintained over the course of the season. All the best sides are built from the back going forward, and if Dawson and Vertonghen remain that sheet of steel that protects from opposition swords, Spurs cannot be ruled out of the title race this year.
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