Manchester United legend Gary Neville expects David Moyes to be given time.
The Everton manager will take over from Sir Alex Ferguson from July 1.
Neville told Sky Sports: "Sir Matt Busby was given time throughout the 1950s and 60s. Even Ron Atkinson, and other managers who maybe weren't as successful as you might have expected, were given time. I think this will be a result for sanity in football; the appointment of the next Manchester United manager.
"I've seen some appointments in the last two years which, for me, show the nature of the modern world - a populist, short-term fix," he continued. "Manchester United do not operate that way. They have an element of sense and they have always had that throughout the last 50 to 60 years."