Juergen Klopp has admitted he made a mistake in playing centre-back Mats Hummels in Borussia Dortmund's 2-1 defeat to Schalke.
The Germany international had just spent 10 days on the sidelines with the flu, and was partly responsible for their fiercest rivals' first goal before being sacrificed at half-time.
Julian Draxler has hailed Schalke's defeat of Borussia Dortmund on Saturday and said his side did not allow their fierce rivals to breathe.
The 19-year-old opened the scoring on 12 minutes before Klaas-Jan Huntelaar doubled the home side's advantage towards the end of the opening period.
Schalke have completed a clean-sweep over local rivals Borussia Dortmund with a 2-1 victory, while Bayern Munich came from behind twice to win.
A stunning first-half performance on their home turf set up Schalke's triumph on Saturday as they held on to claim the Revierderby for the second time this season.
Lewis Holtby hopes Schalke can beat Borussia Dortmund in Saturday's Ruhr derby as they look to secure Champions League qualification.
The midfielder, who left Gelsenkirchen for Tottenham in January, played a key role in the their 2-1 away win against their rivals earlier this season, and he wants his former team to complete a Bundesliga double over the champions.
Leaders Bayern Munich host Fortuna Dusseldorf while Borussia Dortmund visit Schalke in this weekend's Bundesliga action.
Bayern are beginning to resemble a runaway freight train this season, 17 points ahead of Dortmund in the league and already having one foot in the quarter-finals of the Champions League after their 3-1 round-of-16 first-leg victory over Arsenal in London.
Jakub Blaszczykowski believes that Borussia Dortmund's derby clashes with Schalke are the most important fixtures of the season.
The reigning Bundesliga champions head into the crunch match on Saturday on the back of a 3-0 victory over Shakhtar Donetsk on Tuesday, which secured their spot in the quarter-finals of the Champions League.
Schalke forward Julian Draxler says his side have plenty to prove ahead of Saturday's Bundesliga clash with rivals Borussia Dortmund.
Since fellow German international Lewis Holtby's moved to Tottenham Hotspur in January, 19-year-old Draxler has come into his own with some fine performances in the league.GOAL.COM - Global football news, transfer rumours and betting editorial
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