For three seasons, Riveiro was in an environment where his employers were patient with him.
Despite failing to break Mamelodi Sundowns' supremacy in the Premier Soccer League, Pirates were still keen on retaining the Spaniard.
He now goes into the territory where his predecessor, Marcel Koller, instantly became a villain after Al Ahly were eliminated from the Caf Champions League at the semi-final stage after being back-to-back African champions.