Bayern Munich had to make do without FOUR important first-team stars as Pep Guardiola 's side attempted to overturn a 3-1 deficit against Porto on Tuesday night . Injured quartet Franck Ribery , Mehdi Benatia , David Alaba and Arjen Robben were forced to watch on from the sidelines as the German giants bid to reach the Champions League semi-finals . However , the absence of Robben and Co appeared to make no difference as Bayern raced into a 5-0 lead at half-time before claiming a 6-1 victory to win the tie 7-4 on aggregate . Injured trio Franck Ribery , Mehdi Benatia and David Alaba chat ahead of Bayern 's clash with Porto . Injured Ribery acknowledges a steward before taking a seat at the Allianz Arena on Tuesday night . Ribery looks on as former Roma defender Benatia chats with the France international in the dugout . While Ribery , Benatia and Alaba chatted in the home dugout ahead of kick-off , Holland international Arjen Robben was in front of the mic doing some punditry alongside Bayern goalkeeping legend Oliver Kahn . Ribery missed the game after failing to recover from a recent ankle injury while former Roma defender Benatia faces another two weeks out with a groin problem . Robben was unavailable for the encounter with an abdominal injury . David Alaba , meanwhile , is set for a month on the sidelines having partially ruptured knee ligaments playing for Austria at the start of April . Bayern had just 14 fit players to choose from against Porto in the first leg but tore the Portuguese giants apart at the Allianz Arena to progress . Holland international Arjen Robben was pictured doing punditry alongside Bayern legend Oliver Kahn ( right ) Bayern Munich wideman Robben was unavailable for the Champions League clash with an abdominal injury .
Bayern Munich beat Franck Ribery at the Allianz Arena on Tuesday night . German giants were without Porto 6-1 , David Alaba and Mehdi Benatia . Arjen Robben was also sidelined and did some punditry for the tie .