Manchester United midfielder Paul Scholes admits Sir Alex Ferguson's eventual successor will face a near impossible job.
Scholes accepts, no matter who it is, they have enormous boots to fill.
"Somebody's going to have to come in one day and manage this team and if they do half as well as he does they'll be successful," said the former England man.
"There's nobody like him I know that - but somebody's got to give it a go.
"He has been brilliant for every single player that's worked for him.
"There is such a hunger and desire about him that really drives his players on - he knows how to keep you motivated throughout a season, it's something that he's managed to do for the last 20 years and I'm sure he'll carry on doing it for the next few years as well."