Arsenal’s set-piece prowess has been one of their secret weapons over recent years with their tally from dead balls last season over triple what it was before the arrival of a designated set-piece coach. Nicolas Jover has been singled out for praise from the likes of Declan Rice and Mikel Arteta for the impact he has had on the team since joining from Manchester City. He focuses not only on the set-pieces but defending from the counter-attacks that follow are a pivotal part of his methods, leading to former Arsenal captain Cesc Fàbregas coming to Jover for advice. While the likes of William Sa…