Borussia Dortmund have denied media reports that their new signing Serhou Guirassy will be sidelined for a long period. “Serhou was and is on schedule. He trains here in Bad Ragaz (in Switzerland, at the team’s training camp) and is already running again. Of course he’s doing that without a splint,” sporting director Sebastian Kehl told dpa. “We’ve never given a specific date for his return,” Kehl stressed. As agreed, he will be initially absent, but will be available soon, Kehl said. The Bild newspaper recently said that Guirassy wouldn’t be fit to play until October due to his knee problem, …