Japan winger Shinji Kagawa fired defending champions Borussia Dortmund eight points clear at the top of the German league on Saturday as his early goal sealed a 1-0 win at home to Werder Bremen.
The Japan star scored his ninth goal of the season at the 80,720 sold-out Signal Iduna Park as his team earned their ninth win in their last 10 league matches.
Bayern are under pressure now to brush off defeat in their last two away games, but confidence is sky-high among the Bavarians after scoring a remarkable 14 goals in their last two matches.
Munich hammered Hoffenheim 7-1 last Saturday in the Bundesliga, then demolished Basel 7-0 in the Champions League on Tuesday to reach the quarter-finals while Hertha have lost eight of their last nine games.
That dragged Thorsten Fink's Hamburg down to 14th and deeper into the looming relegation battle.
Dortmund-bound Marco Reus, who will join the defending champions next season, scored one and created the second as victory allowed Gladbach to draw level on points with Munich.
Lucien Favre's Gladbach host Bayern on Wednesday in the semi-finals of the German Cup with Borussia chasing their third win over Munich this season after home and away victories in the league.
Source: AFP Global Edition