Two points clear atop the table, Dortmund can win their first title for 11 seasons by beating Mainz at home on Saturday, regardless of second-placed Bayern Munich's result at Cologne.
Borussia Dortmund coach Edin Terzic said on Tuesday the club was taking it "day by day" with striker Sebastien Haller's return to the starting line-up.
Two points clear atop the table, Dortmund can win their first title for 11 seasons by beating Mainz at home on Saturday, regardless of second-placed Bayern Munich's result at Cologne.
Borussia Dortmund coach Edin Terzic said on Tuesday the club was taking it "day by day" with striker Sebastien Haller's return to the starting line-up.