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Arsenal travel to White Hart Lane on Saturday lunchtime hoping to extend their advantage on close neighbours Tottenham.
The Gunners sit oustide the top four on goal difference and just two points clear of Spurs going into the north London derby.
Leading scorer Alexis Sanchez will again be out because of a hamstring injury which saw him miss the 5-0 win over Aston Villa, but England forward Danny Welbeck is in line to make a return after being out since December 28 with a thigh problem.
Wenger confirmed to the Arsenal club website: "Alexis is not ready. He is not far away, the Leicester game is a possibility. He is of course very difficult to keep quiet. He is training, but it's light training."
Wenger added Wilshere was set to be "back in full training next week, hopefully from Sunday."
Meanwhile, Tottenham have no new injury problems going into the derby. Scroll through our gallery as we pick out the key talking points ahead of the clash...
The key talking points ahead of Tottenham v Arsenal
