By Editor Wayne Veysey | Former Evening Standard, Press Association and Goal chief correspondent with 17 years experience of breaking big stories, including exclusives like this

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West Ham will confirm the permanent signing of Manuel Lanzini within the next 48 hours, Football Insider sources understand.

The 23-year-old attacking midfielder has been on a season-long loan at West Ham from Al Jazira in the United Arab Emirates and has impressed sufficiently for manager Slaven Bilic to sanction a permanent contract.

A well-placed source has told Football Insider that the fee the London club will pay for the Argentine will be £7.5million.

West Ham chairman David Sullvian revealed earlier in the season that his club had a “watertight” agreement in place to make Lanzini’s loan a permanent transfer.

Speaking in December, Sullivan said: “We have until April to make it permanent but we’ll probably due it before the due date.

“By February or March, he will be a permanent West Ham player. He’s already sensational and he could be as good as any player in the world.”

A deal has been in place for a number of weeks, but West Ham wanted to confirm Lanzini’s fitness after a thigh injury.

Lanzini was in sparkling form before sustaining the injury shortly after Christmas. In total, he has scored six goals and supplied three assists in 23 West Ham appearances this season.