Getty ImagesSuraj RadiaErik ten Hag makes huge Joshua Zirkzee claim as Man Utd boss leaps to defence of underperforming Bruno FernandesManchester UnitedJ. ZirkzeeB. FernandesE. ten HagErik ten Hag has leapt to the defence of Joshua Zirkzee and Bruno Fernandes, insisting his underperforming Manchester United stars will improve.Article continues belowArticle continues belowArticle continues belowTen Hag backs Zirkzee to become 'prolific'Fernandes return to form is 'only a matter of time'Both players have had slow starts to new seasonArticle continues below