Bundesliga leaders Bayern Munich bounced back from a mid-week defeat with a 2-1 win at Freiburg on Saturday, while Borussia Dortmund started life without coach Nuri Sahin playing with 10 men in a 2-2 draw with Werder Bremen. Champions Bayer Leverkusen, meanwhile, fell to a 2-2 draw at RB Leipzig. With the results, Bayern extended their lead ahead of second-placed Leverkusen to six points, while Dortmund, led by interim coach Mike Tullberg, dropped to 11th. Elsewhere, Augsburg defeated Heidenheim