The captain, 22, is back in the squad after missing the last two Confederation Cup matches.
Rayon announced the return of the defender on Twitter.
The club wrote: “Our captain Manzi Thierry is back in the squad that will face @EnyimbaFC in the return leg after missing 1st leg due to the
@CAF_Online suspension… Africa, get ready for the #Gikundiro Lion.”
The Rwandan club, however, will be without inspirational playmaker Yannick Mukunzi, who is undergoing trials with Swedish second-tier side Sundvikens IF.
Left-back Eric Rutanga will also miss the game at the Enyimba Stadium — due to suspension.
Having been held goalless in kigali, the eight-time Rwandan champions will be looking to upset Enyimba on Sunday and book a place in the semifinals•