|The following is based on Renegade 2 and has not been confirmed by canon sources.|
The cyborg is an infantry unit that was supposed to appear in Renegade 2.
Clad in body-covering armour, the cyborg is a menacing presence.
The Soviet cyborg appears in Renegade 2 concept art. Whether or not he'd appear in the finished game is unknown.
The Soviet Cyborg does appear in the unofficial Yuri's Revenge expansion Mental Omega, as a special unit for Soviet factions unlocked after a saboteur infiltrates an enemy Soviet battle lab. He is equipped with a chain gun to mow down infantry, and nuclear grenades to deal with structures and vehicles.