Arsenal legend David O’Leary has lauded William Saliba after the French defender’s Man of the Match performance on Sunday against Manchester City. The 23-year-old centre-back has again been influential for the north London side this season with Saliba forming arguably the best defensive partnership in the Premier League alongside Gabriel Magalhaes. With Arsenal conceding the fewest goals out of any team in the English top-flight this season, Saliba’s performances at the back have been nothing short of massive for Mikel Arteta’s side. William Saliba lauded as ‘Rolls-Royce’ after Manchester City…