Arsenal fans have been reacting on Twitter to the news that Diego Costa is apparently a target for the Gunners in the January window.
Costa is now free to sign for a new club after coming to terms on his departure from Atletico, and AS claimed yesterday that Arsenal boss Mikel Arteta was said to be monitoring the situation.

A former Chelsea striker with two Premier League winners medals to his name, Costa would certainly bring experience and knowhow to the table if Arsenal did make their move.
However, judging by some of the reaction from Arsenal fans on Twitter, it seems the Spaniard wouldn’t be overly welcome in north London.
Comparisons to the signing of Willian, plus concerns over his age, were dominant points of discussion among some Gunners supporters discussing the potential move on social media.
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