Arsenal look to be back in the Champions League hunt, but Mikel Arteta is aware they still "need to win a lot of games".
Arsenal won for the second time in 13 Premier League games after Nicolas Pepe and Sokratis scored against Manchester United.
Sead Kolasinac has been ruled out of Arsenal's festive programme with an ankle injury, leaving the Gunners short of options at left-back.
Unai Emery has suffered a blow to his hopes of turning Arsenal's form around, learning he will be without Dani Ceballos for the next month.
Ashley Smith was sentenced to 10 years in prison on Friday after previously admitting to trying to rob Sead Kolasinac and Mesut Ozil.
Mesut Ozil and Sead Kolasinac were targeted in an incident in July. One of the men charged pleaded guilty on Thursday.
Mesut Ozil and Sead Kolasinac were targeted in an incident in July, and two men have been charged.
Arsenal academy manager Per Mertesacker says the club's players have been warned about the dangers of London gangs.
Unai Emery has made three changes to his Arsenal side, including David Luiz in the starting XI for the first time.
Mesut Ozil and Sead Kolasinac are back training with Arsenal after being given time off and Unai Emery may use them against Burnley.