CM: Mathieu Flamini
There were more expensive and plenty more high-profile deals completed involving midfielders last summer, but arguably none - certainly at the top end of the Premier League, anyway - have proved to be more pivotal than Flamini's return to Arsenal.
The combative Frenchman, released by AC Milan, re-joined the Gunners in August after training with the club and has gone on to re-establish himself as a vital member of the first-team setup.
While the likes of Santi Cazorla, Jack Wilshere, Mesut Ozil and Tomas Rosicky are relied upon to provide the usual flair in Arsenal's midfield, Flamini provides the passion, the spirit and the grit that allows them to push forward and succeed.
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