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Leandro Trossard is flying at Arsenal - but who is the most impactful January signing in Premier League history?

Leandro Trossard’s remarkable start to life at Arsenal has seen him voted the club’s Player of the Month for March. The Belgium international came in from Brighton in January and has made a huge impact for the Gunners, helping them maintain their surprise Premier League title charge.

Trossard has made 13 top flight appearances for Arsenal since joining, with just seven of those being starts. But in that time he has scored once and set up seven goals for Mikel Arteta’s pacesetters, who are looking to be crowned champions for the first time since 2004.

It’s been an incredible start to life in north London for Trossard, and it got us thinking at GOAL about which January signings over the years have made the biggest immediate impact for their clubs in the Premier League.

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