Sky Sports pundit Jamie Carragher is confident that three or four signings will be enough for Jose Mourinho to make Manchester United a title-challenging team next season.

The Portuguese manager has reportedly agreed to a three-year deal with the Red Devils and is expected to be unveiled on Friday.

"For United, it's never as bad as it seems," the former Liverpool defender said on Sky.

"They were close to a top-four spot and won the FA Cup. They are not that far away.

"Two or three top players can make a massive difference at Chelsea, Mourinho brought in Cesc Fabregas and Diego Costa and he took the team to another level.

"Three or four additions would put them well on the way."