Interim coach Michael Wimmer will remain in charge at Bundesliga club VfB Stuttgart until the World Cup/winter break, sports director Sven Mislintat said on Saturday. Mislintat told Sky TV that Wimmer had already made some improvements after taking over from Pellegrino Matarazzo two weeks ago, despite a 5-0 defeat at Borussia Dortmund on the day. “We made a relatively conscious decision to continue with Michi until this game and can also say quite clearly that this will be the situation until the winter break,” Mislintat said. Stuttgart beat bottom side Bochum 4-1 last weekend and second-tier …