Alexis Sanchez scored twice in the first half as Arsenal cruised to an easy victory.
Arsenal have done it again, taking only one point away from match in which the club dominated in a 1-1 draw with Crystal Palace on Sunday.
Alexis Sanchez returned from the international break revitalized with a goal and an assist in Arsenal's 4-0 home victory over Watford on Saturday.
Alexis Sanchez assisted on Calum Chambers' opener and then scored the winner as Arsenal squeezed by Burnley 2-1 at the Emirates to move on to the 5th round of the FA Cup.
Arsene Wenger implied that Alexis Sanchez will be available for Chelsea on Sunday and it is likely that the Chilean will start.
Mesut Ozil will be ready for Sundays' derby against Chelsea at The Emirates. Meanwhile, the next two days will be decisive for Alexis Sanchez in terms of proving his fitness.
Arsene Wenger was cryptic when referencing Alexis Sanchez's status for Sunday's match in his news conference ahead of Arsenal's trip to Stoke City.
Arsene Wenger indicated that Alexis Sanchez is very close to returning but that he is likely to be a bit short for the match against Liverpool on Wednesday.
Arsene Wenger has confirmed during an Arsenal media briefing that Alexis Sanchez will NOT be involved in this weekends’ FA Cup tie against Sunderland at The Emirates.
Arsenal will be without Alexis Sanchez yet again as the Chilean continues to recover from his hamstring injury.
Alexis Sanchez suffered a setback in his recovery from a hamstring injury and will now be out until sometime in January.
Arsene Wenger indicated that while Alexis has started running, he has yet to train with the squad ahead of Monday's match with Manchester City.
Arsene Wenger, speaking after the win over Aston Villa, said "...my people think he will not be ready but Alexis being Alexis you never know."
Arsene Wenger has been very non-specific when discussing Alexis' hamstring injury and when he might return from it.