However, Ten Hag has hit back by claiming that Mourinho is the only manager in the post-Sir Alex Ferguson era to "get the players they wanted."
"Apart from Mourinho, the manager didn't get the players they wanted, and that is what you need," Ten Hag said in an interview with ESPN Brasil.
"I am confident we will achieve our goals, but it is a tough competition. It is not a two-horse race anymore.
"There are seven, eight [teams in the
Premier League] who all go for the title, who all have very good squads. So if you want to go to the title, you have to construct that squad."