On Thursday, the players returned to United's Benton training ground to undergo testing with the club's medical team before fitness work commences out on the training pitches over the next few days.
While the likes of Miguel Almíron, Fabian Schär, Martin Dúbravka and Christian Atsu remain on an extended break after playing for their respective national teams over the summer, Isaac Hayden, DeAndre Yedlin, Matt Ritchie and Ki Sung-yueng were among those preparing for the 2019/20 Premier League campaign on North Tyneside.
With the process of appointing a new manager on-going, Academy head of coaching Ben Dawson and Under-23s head coach Neil Redfearn oversaw proceedings, and club photographer Serena Taylor brought nufc.co.uk this gallery.