Bundesliga leaders Bayern Munich were unable to capitalise against 10-man Leverkusen as they finished in a scoreless draw.
Bayern Munich's injury crisis may be worsening as Javi Martinez and Kingsley Coman both limped off in their 0-0 draw at Bayer Leverkusen on Saturday.
Borussia Dortmund defender Sokratis Papastathopoulos dedicated his goal against Eintracht Frankfurt on Saturday to injured teammate Marc Bartra.
Bayern Munich saw their lead at the summit of the Bundesliga reduced to eight points after being held to a goalless draw by 10-man Bayer Leverkusen.
Marco Reus scored two minutes into his comeback from a torn ligament to set Borussia Dortmund on their way to a 3-1 win over Eintracht Frankfurt.
Borussia Dortmund responded from last week's defeat to Bayern Munich with a comfy win over Eintracht Frankfurt.