The Gunners beat Leicester in a 4-3 thriller on the opening day and have since dispatched Bournemouth on home soil. "We said at the start of the season we have to see what kind of influence he can have throughout the season".
Tony Pulis's side will have nothing to lose against the Gunners, and this underdog state could give them an edge.
The 25-year-old is in the final year of his deal at the Emirates Stadium, and he's very much in the last chance saloon when it comes to proving he can be relied upon after his well-documented injury troubles.
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Gibbs is expected to start against his former club.
ARSENAL could welcome back Mesut Ozil but it will be a game-time decision on whether to risk the German global.
Danny Welbeck is out until after the global break with a groin injury and long-term injured midfielder Santi Cazorla is unlikely to be involved in first-team matters until the turn of next year. Arsenal won the match 2-0.
The bad blood between the two strikers was picked up on by various Arsenal fans and with questions already being aimed at Sanchez over his attitude, could this be a further sign of his unhappiness at not getting the transfer away from Arsenal he wanted?
"He still needs to adapt to the physical aspect of the Premier League, which maybe takes a little time".
"All the players are important, he's not more than any other". "I think he's an Arsenal man and an Arsenal player".
Gareth Barry could become the outright leader in terms of most Premier League appearances should he play in this match. He's now level with Ryan Giggs on 632 appearances in the competition.