Robert Lewandowski converted a first-half penalty as Bayern Munich romped to a 3-0 win against 10-man RB Leipzig.
Bayern Munich moved above Leipzig at the top of the Bundesliga, 11 days before the top two are due to meet at the Allianz Arena.
RB Leipzig moved back to the top of the Bundesliga on Saturday night thanks to a 2-1 win over Schalke.
Serge Gnabry has claimed Arsenal "badly wanted to keep him" before he moved to Werder Bremen last summer.
Bayern Munich bounced back from defeat to Borussia Dortmund a week ago with a 2-1 win at Bayer Leverkusen to stay second in the Bundesliga.
Hoffenheim extended their unbeaten start to an 11th game with a 2-2 draw against Hamburg, who remain rooted to the foot of the Bundesliga.