While football may be a team game, certain individual battles on the pitch will go some way to determining who wins this game at Stamford Bridge.

Here are 4 key battles that could go a long way to deciding the result of this game:

Shkodran Mustafi v Diego Costa

Chelsea's Brazilian-born Spanish striker Diego Costa (R) battles with Arsenal's German defender Shkodran Mustafi (L) during the English Premier League football match between Arsenal and Chelsea at The Emirates stadium in London, on September 24, 2016.
(IAN KINGTON/AFP/Getty Images)

We don’t like him, he doesn’t like us, but in Mustafi, Costa will find a player less easily rattled than Gabriel and a lot more mobile than Mertesacker. In the game at the Emirates, alongside Laurent Koscielny, Costa was restricted to 2 off-target shots and just 3 aerials won. Then again, Costa only averages a 19% aerial duel win-rate in the league, perhaps that had nothing to do with our defenders.

Mesut Ozil v N’Golo Kante

SEPTEMBER 24: Mesut Ozil of Arsenal (C) is put under pressure from N'Golo Kante of Chelsea (L) and Willian of Chelsea (R) during the Premier League match between Arsenal and Chelsea at the Emirates Stadium on September 24, 2016 in London,
(Photo by Paul Gilham/Getty Images)

Arsene Wenger tried to sign Kante twice for a reason – he’s really, really good. For Arsenal, much will depend on Mesut’s ability to get out from under Kante and work his magic. He shone against Chelsea at the Emirates and there’s no reason he can’t do the same here if his forwards give him options.

Hector Bellerin v Eden Hazard

Arsenal's Spanish defender Hector Bellerin (R) vies with Chelsea's Belgian midfielder Eden Hazard during the English Premier League football match between Arsenal and Chelsea at the Emirates Stadium in London on January 24, 2016. Chelsea won the game 1-0
(IKIMAGES/AFP/Getty Images)

We all know how deadly Hazard can be and Hector is going to need to shake whatever afflicted him against Watford to deal with the Belgian.

Alexis Sanchez v ?

LONDON, ENGLAND - SEPTEMBER 24: Alexis Sanchez of Arsenal celebrates scoring his sides first goal during the Premier League match between Arsenal and Chelsea at the Emirates Stadium on September 24, 2016 in London, England. (Photo by Paul Gilham/Getty Images)
(Photo by Paul Gilham/Getty Images)

It’s actually hard to pick a personal battle for Alexis because we don’t know where he’ll play. That in itself offers problems to the Chelsea defence. Sadly, Ivanovic is gone which makes things a little more interesting.

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