Arsenal face table-topping Chelsea at the Emirates Stadium on Sunday . Cesc Fabregas returns to the Emirates with Chelsea for the first time . The Gunners have won their last four games in all competitions and are top of Group B ahead of a trip to Stamford Bridge where they will be without captain Mikel Arteta (knee) until January. Alex Oxlade-Chamberlain and Mikel Arteta are set to miss out on the game . Per Mertesacker is '50-50 ' for the game having not trained at all . READ : 'Proud ' Alexis Sanchez targets 'many titles ' with Arsenal .
Arsenal face table-topping Chelsea at the Emirates Stadium on Sunday . Cesc Fabregas returns to the Emirates with Chelsea for the first time . Arsene Wenger says his record against Jose Mourinho will have no impact . Alex Oxlade-Chamberlain and Mikel Arteta are set to miss out on the game . Per Mertesacker is '50-50 ' for the game having not trained at all . READ : 'Proud ' Alexis Sanchez targets 'many titles ' with Arsenal .