Celtics big man Daniel Theis will undergo season-ending surgery to repair a torn meniscus in his left knee. According to Yahoo’s Shams Charania, the 25-year-old rookie suffered the injury during Boston’s 97-99 loss to Indiana on Sunday. Story on Celtics losing center Daniel Theis to season-ending surgery to repair a torn meniscus: — Shams […] The post Daniel Theis Out For Season With Torn Meniscus appeared first on SLAMonline.