VfB Stuttgart chairman Thomas Hitzlsperger has ended his contract by mutual consent and will leave the struggling Bundesliga club this month. The team said the 39-year-old Hitzlsperger had agreed with the advisory board to leave his position seven months before his deal was due to expire on October 31. Hitzlsperger’s replacement Alexander Wehrle, who is returning to the club, will begin work on Monday. The club said this switch was previously planned but will be implemented sooner. Stuttgart have endured a difficult season and are in the relegation play-off place. “VfB must be fully and entire…