"It's going to require a lot from him, where he's going is very different to South Africa. It's a club with so many fans and passion, they really love the club so much and he has to win every competition that he participates in," Tau said as per Soccer Laduma.
"But they've also given him the resources, they've signed him a lot of good players, so that would help but he has to do better than the previous coach, [Marcel] Koller, he won 11 trophies with me. He [Riveiro] has to do better than that," added the former Mamelodi Sundowns star.
"What he has done with Pirates it does say he's a good coach, he knows what he's doing. I think he can do well but it's going to require a lot. At Al Ahly it's not only the games he has to deal with..."