He told the London Evening Standard: "It is not just Mathieu. Per Mertesacker at the back has got so many caps for Germany, too. I think we have always had the leaders but people are coming out of their shell more this year and not just talking but also showing something on the pitch that lifts the crowd and the other players.
"We are concentrating on ourselves. Everyone can say, 'Arsenal are not good enough to win it' but we are sitting four points clear at the moment and everyone is playing fantastically well.
"We have got players coming back to fitness for such a busy period at Christmas and you tend to know where you are by the new year."
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