Former Bundesliga football boss Christian Seifert says his new streaming provider for German handball, basketball and ice hockey will work because the sports have much more room to grow. He is using his expertise in a venture with media group Axel Springer. The service will offer “the leagues beyond football a real next step in their development,” Seifert told dpa on Tuesday. “Their sports are to be the sole focus of a media platform for the first time. We want to build a company that focuses on these leagues from morning to night and works with full commitment to get even more people excited …