Bayern Munich returned to winning ways in the Bundesliga as Robert Lewandowski and Serge Gnabry both scored twice in a convincing 5-1 win over Cologne.
After returning to domestic duties following their Club World Cup success in Qatar with a home draw against Arminia Bielefeld, the reigning champions slipped to a 2-1 loss away at Eintracht Frankfurt last weekend.
However, a 4-1 thrashing of Lazio in Champions League action in midweek proved the catalyst for a first league triumph at their Allianz Arena home since January 30.
Lewandowski s first goal helped Bayern ease into a 2-0 half-time lead and while Cologne briefly threatened a comeback, the returning Thomas Muller made an immediate impression off the bench, providing the assist that allowed the c…