SIGNA Sports United, an online sports commerce and tech platform, completed the acquisition of a majority stake in Midwest Sports, an online tennis goods retailer. Financial terms were not disclosed. "Midwest Sports has been a true American success story since its beginning. It is amazing, how Greg and his team self-built their company into what it is today. The US tennis market is huge. We are thrilled to start acting directly as a major player in this market, building on Greg's work and our experience in Europe. This is an important milestone on our path to successfully expand our sports platform across the globe," Stephan Zoll, SIGNA Sports United CEO.