Gelsenkirchen - FC Schalke 04 trio Jan Kirchhoff, Kaan Ayhan and Dennis Aogo all returned to first-team training on Wednesday afternoon following injury.
, who is on loan at the Royal Blues from FC Bayern München, has not featured for the Ruhr district club since suffering a knee injury in the 1-1 draw with the Bavarians on Matchday 2. Nineteen-year-old Ayhan was forced to sit out Matchday 7's
to TSG 1899 Hoffenheim with an ankle injury, while Aogo hasn't trained since picking up a knock last week. Midfield duo Sidney Sam and Leon Goretzka, who have both been sidelined with muscular problems, also started light running at the club's
training ground, but it remains to be seen whether any of the quintet will be involved in Schalke's home clash with Hertha Berlin on Saturday evening.