Manyisa and Memela were pulled out of the starting line-up to face Kaizer Chiefs after battling with stomach problems.
“Manyisa had food poisoning,” Ertugral revealed after the match.
“Three of my my boys [Manyisa, Brighton Mhlongo and Memela] this week Tuesday or Wednesday went out to eat together and got food poisoning,” he added.
Bucs and Amakhosi played to goalless draw at FNB Stadium.