LSU Scrimmage Intel: QB2 Emerging, WRs Return LSU gets ready for its most physical scrimmage of fall camp as Husan Longstreet appears to be separating himself as the backup quarterback behind Sam Leavitt. Winnie Watkins returned to practice, while Jayce Brown and Jabari Mack continue working in non-contact jerseys. Plus, Zach Grace is quietly carving out a role behind Trey’Dez Green at tight end,…