Al Ahly, the defending champions, will be seeking revenge when they go up against Sundowns after losing their first group stage match to Masandawana 1-0. Mamelodi Sundowns currently lead the standings with seven points after three matches, while Al Ahly are in second place on four points. Only the top two sides in each of the four groups will progress to the quarter-finals. The Sundowns-Al Ahly clash will kick off at 3pmMosimane has arrived in South Africa after putting pen to paper on a new two-year contract at the Egyptian giants. “We are heading into a very tough encounter,” Sundowns co-coa…