Glasner delivered the first major trophy in Palace's history last season, as Eberechi Eze's goal and Dean Henderson's penalty save saw them beat Manchester City 1-0 in the FA Cup final

Therefore, Arsenal signing Eze would not only leave a gaping hole in the attack at Crystal Palace, but it could also quite easily annoy Glasner enough for the 50-year-old to turn down a new contract, meaning the Gunners will have to submit a truly irresistible offer to get this deal done for several reasons.

Oliver Glasner is reportedly frustrated with Crystal Palace's transfer dealings, as the FA Cup winners now face a battle to retain Eberechi Eze amid strong interest from Arsenal.