pep guardiola went into bayern munich 's champions league second-leg against porto under intensifying pressure after a 3-1 defeat in the first encounter .
his side responded ruthlessly , obliterating porto - guardiola 's doubters - with a relentless attacking display and a 6-1 scoreline at the allianz arena to reach the semi-final but it is not just the blistering offensive play that seizes the front pages in germany on wednesday .