Suggestions are that the former Golden Arrows mentor would only stay with the African champions until after their current Caf Champions League campaign.
READ: Rumours of discontent at Sundowns
Mnqithi’s name has previously been bandied about as a possible replacement for Kaizer Chiefs coach Steve Komphela. Mngqithi, like most Sundowns players, is allegedly fed-up with Pitso Mosimane’s strict rules.
Mosimane lost one of his assistants, Rhulani Mokwena, to Orlando Pirates at the beginning of the 2017/18 and losing Mngqithi will come as a blow.
READ: Sundowns assistant coach joins Pirates
Download our app and read this and other great stories on the move. Available for Android and iOS.