Arsenal's summer acquisition Alexis Sanchez was a huge coup for the north London club and his form is proving crucial to Arsenal's early season form. Without him Arsenal could have been struggling.
Arsenal currently sit in fourth place in the Premier League after their 3-0 home victory over struggling Burnley on Saturday.
Sanchez grabbed a brace against the Clarets to take his tally of goals to 10 in all competitions this season. Seven of these goals have been in the Premier League.
Arsenal, as a side, have only scored 18 goals in 10 league games and seriously need other players to help in the goalscoring department. New signing from Manchester United Danny Welbeck has scored five goals so far, including a Champions League hat-trick, but is not noted for his prolific scoring and is still wasteful in front of goal.
Injuries have plagued Arsenal this season and if they continue to do so then Sanchez will surely fall foul of the injury curse at some point. If he does who will step up as the man to rely on?
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Aaron Ramsey has failed to rediscover the form he showed last season and players such as Jack Wilshere and Mesut Ozil look to be performing inconsistently. Theo Walcott returned against Burnley after a ten-month absence but is hardly a reliable goal source although his return is welcoming nonetheless.
Lukas Podolski and Olivier Giroud have struggled to find the net, with just three goals between them, and injuries have not helped in this department either. Youngsters Yaya Sanogo and Joel Campbell are unproven in the Premier League and are still learning their trade.
Injuries and form has forced Arsene Wenger to recently play two defensively minded players in midfield -Mathieu Flamini and Mikel Arteta - limiting the attacking capabilities of his side. This has led to an over-reliance on world-class Sanchez to find the back of the net regularly. Luckily he has managed to do just that but there will come a point when his form dips and other players will need to add that cutting edge.
How will Arsenal resolve their issues up front?
Will Wenger decide that he needs more of an attacking threat and use the January transfer window to strengthen. If he does then a quality striker will not come cheap.
Or will Wenger hope that his current players step up and start to find the back of the net consistently?