Sergio Romero has been a loyal servant over the years, spending the bulk of his time on the bench.
But the Argentina international is reportedly eyeing first-team football next season, which may mean a summer exit.
Lee Grant’s contract expires and United are unlikely to renew.
And they also have a decision to make on Joel Pereira, who has impressed in the Scottish Premiership with Hearts this season.
Meanwhile, Henderson’s fine form has prompted talk he could make England’s squad for the upcoming European Championships.
And Wilder believes he’d be perfect for Gareth Southgate’s side when the tournament commences in June.