Sio Moore has been working as the Raiders' second-team weak-side linebacker in training camp. Miles Burris is running with the ones at "Will," with rookie Khalil Mack at Sam 'backer and Nick Roach in the middle. Moore flashed promise during his rookie season, but isn't a natural fit on the weak side, and may be limited to a pass-rush specialist role. Moore had 4.5 sacks in 11 starts last year.