Gurney Harris suffered two separate alleged at-work back injuries while working for different employers, Southern Commercial Glass Inc. (“Glass”) and Southeastern Installation Inc. (“Southeastern”).  The first back injury occurred on July 13, 2010, when Harris worked for Glass. The second alleged back injury occurred on April 1, 2014, while Harris worked for Southeastern, when he bent over slightly, slid a box on the ground and was unable to straighten his back. Glass accepted Harris’ first injury as compensable and paid workers...