Rio Ferdinand has questioned whether Manchester United target Senne Lammens has the experience required to solve his former side's goalkeeping troubles.
The Red Devils find themselves 16th in the Premier League table after failing to win either of their opening two fixtures.
Arsenal left Old Trafford with all three points on the opening day of the season before United had to settle for a 1-1 draw at Fulham on Sunday.
Ruben Amorim's side have nevertheless showed slight signs of improvement on last season, with his favoured back three of Leny Yoro, Matthijs de Ligt and Luke Shaw forming a promising partnership and new recruits Matheus Cunha and Bryan Mbuemo providing a spark up front.