Former VfB Stuttgart and Germany defender Serdar Tasci is happy that the club is on course to qualifying for the Champions League for the first time in many years but also warned of the extra strain the elite event will provide. “The triple load won’t be easy, you saw that at Union,” Tasci told dpa. He was referring to Union Berlin who finished fourth last season in the Bundesliga to reach the Champions League for the first time, and then went 16 games without victory in autumn, due to the additional strain and after changing their transfer policy in summer. Stuttgart are third in the Bundesli…