Erling Haaland has scored eight goals in his first four Borussia Dortmund appearances, despite three of those coming from the bench.
Gio Reyna made history as Borussia Dortmund bowed out of the DFB-Pokal.
Lucien Favre said teenage stars Erling Haaland and Gio Reyna are closing in on first-team places at Borussia Dortmund.
Erling Haaland did not take a full part in Borussia Dortmund's mid-season training camp and Lucien Favre does not want to risk his fitness.
Borussia Dortmund conceded twice in the final 11 minutes, including an 87th-minute winner, away to Hoffenheim on Friday.
Borussia Dortmund coach Lucien Favre struggled to accept his side's draw with RB Leipzig.
Roman Burki's performance in Borussia Dortmund's victory over Slavia Prague won praise from Lucien Favre.
Axel Witsel has been a regular for Borussia Dortmund this season but will miss at least four matches after undergoing facial surgery.
Lucien Favre is under increasing pressure as head coach of Borussia Dortmund, with Mats Hummels keen not to further undermine his boss.
Freddie Ljungberg reportedly hopes to become Arsenal's next full-time head coach after replacing Unai Emery on an interim basis.