Michael Ballack and Oliver Kahn (right) leave the field after their German Bundesliga match against Wolfsburg in Wolfsburg last week.  The match ended in a 0-0 draw.  Head coach Felix Magath, whose team have earned only one point from their last two league games and are out of the Champions League, says the German champions have a perfect opportunity to prove a point when they entertain third-placed Schalke 04 in the Bundesliga on Sunday.  (Reuters)