MANCHESTER -- Alexis Sanchez arrived on Sunday at Manchester United's training HQ to seal his move from Arsenal, sources have told ESPN FC.
The final details of the Chile international's move to Old Trafford, and Henrikh Mkhitaryan's transfer to Arsenal, were agreed on Saturday night.
On Sunday, Sanchez arrived in Manchester for his medical at Carrington and to sign what is expected to be a four-and-a-half-year deal.
Sources have told ESPN FC that the agreement between United and Arsenal is a straight swap with no additional fee involved.
According to sources close to the deal, it has been especially complicated because talks with Sanchez and Mkhitaryan have had to run simultaneously.
Jose Mourinho has given his players two days off following their 1-0 win over Burnley at Turf Moor on Saturday.
Sanchez is in line to train with his new teammates on Tuesday before a debut against Yeovil in the FA Cup fourth round on Friday night.
He is expected to take United's No. 7 shirt, vacant since Memphis Depay left the club a year ago.
Source: espn.co.uk