Leandro Trossard played a key role in Arsenal’s Premier League title triumph(Credits: Shutterstock) Leandro Trossard believes he will remain at Arsenal next season and see out the final year of his contract. The Belgium international has been one of the shrewdest signings of Mikel Arteta’s tenure even if there was a stroke of fortune about the circumstances behind his arrival at the club. Chelsea’s decision to hijack Arsenal’s move for Mykhailo …