The Gunners are currently in third place, two points adrift of Manchester United, who occupy the pole position in the top-flight.
Fabregas has been having some trouble with a hamstring problem in recent weeks, which kept him from making an appearance in the second leg of the Champions League tie against Porto.
However, it is claimed that the skipper has returned to full training and is expected to feature against the Hammers, having missed the last two games his side have played.
Meanwhile, Alex Song will also be available for the encounter against Gianfranco Zola's men, having served a suspension.
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