Hubert Graczyk (21) and Dermot Mee (21) joined Tom Heaton as the goalkeepers in the session, with André Onana and Altay Bayındır away with their nations.
It was well-reported that 16-year-old Godwill Kukonki reported for training after impressing in the Under-18s so far this season. Dan Armer (17), another highly-rated centre-back, Louis Jackson (19) and Jack Kingdon (18) joined him.
Fullbacks Sam Murray (20) and Jaydan Kamason (17) were also in the session to join first-team defenders Leny Yoro, Jonny Evans, Tyrell Malacia and Luke Shaw.
Meanwhile, in the midfield, Finley McAllister (18), Jim Thwaites (16) and Ruben Curley (19) were alongside Casemiro, Kobbie Mainoo and Mason Mount.
Finally, attacking talents Malachi Sharpe (18), Ethan Williams (19) and Ashton Missin (18) joined the likes of Marcus Rashford, Antony and Amad.