Three questions Arsenal must answer to stay at Premier League summit

Arsenal swept past Aston Villa 2-0 on Sunday to climb to the top of the Premier League table. But can they stay there? Here are the key question marks around the Gunners’ title challenge.

Can Arsene Wenger continue to ride out the worrying injury glut?

Arsenal will hope that a quick return to full fitness after hamstring trouble for Alexis Sanchez can start to spell better news on the injury front. The Gunners’ backroom staff continue to search for answers in their quest to end a consistent spate of soft-tissue injuries, but, in the meantime, a cleaner bill of health would do wonders to Wenger’s resources.