Moyes may yet regret that Mata, right, proved to be his only signing in January

David Moyes believes that he faces a “big job” revamping his Manchester United squad in the summer as the manager admitted that Robin van Persie was telling him when and for how long he is fit to play.

The transfer window closed last night with United failing to add the midfielder Moyes craved to the £37.1 million signing of Juan Mata from Chelsea six days earlier.

Moyes had hoped that a second high-profile arrival would help to ease some of the pressure of recruiting a series of leading targets in the summer, with the Scot understood to be eager to bring in about five new faces.

“It is still a big job [in the summer],” the United manager said. “I wanted to be able to