article_snippet.sent: Guardiola believes the team is shackled by the absence of Franck Ribery and Arjen Robben.
article_snippet.sent: Guardiola is concerned about the team without Arjen Robben .
article_snippet.sent: Franck Ribery (left) is absent with an ankle injury while Arjen Robben is out until May with a stomach muscle tear . '
article_snippet.sent: Without Franck Ribery and Arjen RobbenArjen Robben , we are a different team,' Guardiola said after the game. '
article_snippet.sent: Arjen Robben was ruled out for around two months with a stomach muscle tear at the end of March.
article_snippet.sent: Franck Ribery has an uncertain timescale on Franck Ribery recovery from an ankle injury but is doubtful for the first leg of Bayern Munich's Champions League quarter-final tie against Porto.
highlights_snippet.sent: Guardiola feels Bayern Munich miss Arjen Robben and Franck Ribery .