Socceroos midfielder Brandon Borrello's Freiburg have maintained their perfect start to the German Bundesliga with a 3-1 triumph at Paderborn, while a brilliant Robert Lewandowski hat-trick has earned the champions their first win of the season with a 3-0 victory at Schalke.
Freiburg went second on the table as Luca Waldschmidt, Nils Petersen and Kwon Chang Hoon secured a comeback victory at promoted Paderborn on Saturday with Borrello featuring as playmaker for 86 minutes.
"It was lucky that it was 2-1 for us at halftime," Freiburg coach Christian Streich said.
"In the second half they pushed us back but we stood up to it well."
Elsewhere, Bayern moved fourth with their win and Bayer Leverkusen went third with a 3-1 victory at Fortuna Dusseldorf.
Newcomers Union Berlin drew 1-1 at Augsburg, Hoffenheim beat 10-man Werder Bremen 3-2 and Mainz lost 3-1 at home to Borussia Moenchengladbach. Leaders Dortmund beat Cologne 3-1 on Friday night.
Freiburg fought back from Streli Mamba's early opener in Paderborn to go second on the table.
Luca Waldschmidt punished Christian Strohdiek's handball with a clinical penalty and Petersen pounced before the break to turn the game which Kwon made safe in the last minute.
Paderborn coach Steffen Baumgart made some unwanted Bundesliga history as the first boss to receive a yellow card for complaining to the referee.
Later in Schalke, Lewandowski opened the scoring from the spot in the 20th minute after Kingsley Coman won a penalty from Jonjoe Kenny before his curling free kick left keeper Alexander Nuebel helpless five minutes after the restart.
The Pole completed his hat-trick in the 75th minute to make the game safe after loan signings Coutinho and Ivan Perisic were handed debuts from the bench.
Bayern dropped points to Socceroos Mathew Leckie's Hertha Berlin last week but had little difficulty overcoming Schalke.
"In comparison to last week we have not made any mistakes which were punished," Bayern coach Niko Kovac told Sky TV.
Meanwhile, Leverkusen laboured to an opening win over Paderborn but turned on the style in Dusseldorf from the sixth minute.
Kevin Volland's cutback was turned over the line by the unfortunate Lewis Baker, Charles Aranguiz fired home from a free kick and Volland set up Karim Bellarabi in a sensational opening half.
Dusseldorf had started with an impressive win away to Bremen but were outclassed in front of their own fans even if Alfredo Morales grabbed a late consolation.
Leverkusen are third in the table on six points, behind leaders Borussia Dortmund and Borrello's Freiburg.
RB Leipzig host Eintracht Frankfurt and Leckie's Hertha welcome Wolfsburg on Sunday.