The Chelsea winger was signed on Thursday and could possibly start in a 4-5-1 formation.
Luke Varney could miss out with Andy Gray taking the lone strike role.
In defence, Sam Sodje could return with Jonathan Fortune dropping to the bench. Kelly Youga returns from suspension.
Possible side for Sheffield United: Weaver, Halford, Sodje, McCarthy, Youga, Sinclair, Ambrose, Zheng, Holland (c), Cook, Gray