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In 2010, Michael Ballack, who returned to Leverkusen, did not live up to expectations, according to the club's chairman Wolfgang Holzhaeuser.
"We have to admit that our expectations, which we had 20 months ago, were not met," he said. "We expected more from Michael on the field, and he expected more from himself."
Due to injuries, the midfielder was unable to secure a spot in the starting lineup. In addition, the former captain of the German national team lost his place in the national team after the 2010 World Cup.
The 35-year-old footballer admitted that he will leave the team at the end of the season. In last week's match, he was substituted after playing for an hour - the veteran left the field shaking his head and without shaking hands with coach Robin Dutt.
