Spaniard De Gea has been impressed with the high-profile footballing stars that have recently moved over to the MLS (Major League Soccer), including compatriot David Villa and Brazilian legend Kaka.

Fletcher’s initial taste of pre-season first-team action came in 2003’s trip to the United States, when United visited Seattle, Los Angeles and New Jersey.

The 18-year-old England international’s £30million move from Southampton went through last week while former teammate Adam Lallana, another face of the future for the national side, secured a £25million deal with Liverpool today.

Dutchman Louis van Gaal’s second signing arrived today when Southampton left-back Luke Shaw put pen to paper to bring United’s spending to around £60million in two days.

Herrera, 24, was one of David Moyes’ main transfer targets last summer, and was widely expected to sign for the club from Athletic Bilbao

Reports say new manager Louis van Gaal will be given a £200m transfer war chest to spend to improve on last season’s dismal seventh place finish.