By Alex Bowmer For Mailonline
Published: 12:31 GMT, 1 November 2020 | Updated: 12:31 GMT, 1 November 2020
Thomas Muller admitted Bayern Munich's performance was not up to scratch after they squeaked past Bundesliga strugglers Cologne to win 2-1 on Saturday.
Bayern, who also won the Champions League last season, were made to work for the win, with Muller slotting home the opener from the penalty spot after 13 minutes before Serge Gnabry doubled the visitors' advantage in first-half stoppage time.
Dominick Drexler scored for the hosts with eight minutes of normal time remaining to put Hansi Flick's men under pressure, but the home side were unable to fashion an equaliser.
Thomas Muller slotted home a penalty after Marius Wolf was adjudged to have handled
Hansi Flick watches on as Bayern Munich had to grind out a win despite an error-strewn display
Despite the win and the fact that the team went top of the Bundesliga