Arsenal 's chances of success in the North London derby could hinge on one particular Mikel Arteta selection, and it is not in defence, Gunners expert Charles Watts has told Sports Mole .

The Premier League leaders host bitter rivals Tottenham Hotspur on Sunday afternoon lamenting the absence of defensive cornerstone Gabriel Magalhaes, whom Arteta has confirmed will be out for a few weeks at least with the hamstring injury he suffered while representing Brazil this month.

Gabriel could be one of two rearguard regulars missing for Arsenal this weekend, as Riccardo Calafiori has not trained since leaving the Italy camp with a hip injury, although the likes of Piero Hincapie and Cristhian Mosquera can provide more than adequate cover for their defensive colleagues.

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