The Netherlands international completed a move from Bologna FC earlier this month, signing a contract until June 2029. However, the 23-year-old was not named in Erik ten Hag's 29-man squad for Tour 2024, presented by Snapdragon, which is ongoing in the United States.
That was due to Zirkzee's involvement in his country's tilt at Euro 2024, where the Dutch reached the semi-finals before a 2-1 defeat to England.
But after completing his summer break, Zirkzee arrived at our training ground on Monday morning (29 July), in readiness to start his pre-season programme.
The forward will not be involved in our final two games of Tour 2024, against Real Betis (Thursday 1 August, 03:00 BST) and Liverpool (Sunday 4 August, 00:45 BST), but will build his fitness at Carrington in preparation for the wider squad's return to Manchester next week.