West Ham United are close to signing Jefferson Montero by triggering the Ecuadorian's £3m release clause that would take him from a Mexican club, Morelia, to the Boleyn Ground.

Roberto Martínez, the new Everton manager, is also interested in Montero, who reportedly came close to signing for the Spaniard when in charge of Wigan Athletic in January. But it is understood that West Ham are confident of securing his services.

The 23-year-old Montero will earn £30,000 a-week in what should be a four-year contract, having impressed the West Ham manager, Sam Allardyce, who hopes the winger can help provide the service to the club's record signing, Andy Carroll, next season.

Montero, who has played for Ecuador more than 25 times, impressed in the 1-1 draw with Argentina in a World Cup qualifier in Quito early this month when a number of scouts from English clubs were present.