He keeps making small mistakes, like yelling for ammo when there's ammo all around him on the ground or running back and forth in the open like he's lost, while getting beamed, etc.
Could Rogue be connected to a roster shuffle following a Snip3down departure? He has also been playing ranked consistently with the two TSM players all week.
He famously has won 24 LAN events, with 8 different teams and is an all-time great in the Halo community.