The world’s injury bugs have not been kind to the Boston Celtics. Jae Crowder, Al Horford, Kelly Olynyk and Marcus Smart have all missed time, and now Isaiah Thomas seems slated to miss some time with a groin injury for which he needed an injection, per Chris Forsberg of ESPN.com: [tweet https://twitter.com/ESPNForsberg/status/806864451681058816?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet] Boston’s offense goes [...]