Chelsea youngster Lesley Ugochukwu has been on the sidelines since December.
The French midfielder picked up a hamstring injury at that time and has not featured since then.
Per football.london, he is now fully fit, back in action and has been in partial team training.
The 20-year-old was seen working with the ball at Cobham in a drill with youngsters Cesare Casadei and Kiano Dyer.
Leo Castledine, Dujon Richards and Dylan Williams are other youngsters who have been training with the first team.
Chelsea do have a large squad, but injuries have meant that young players came come into senior training.