The only times traffic virtually disappears from Cairo streets are when residents break their daily fasts during Ramadan and when the city's two main teams -- Al-Ahly and Zamalek -- take the field.

Saturday's matches feature both those Cairo teams -- Al-Alhy against Ghazl El-Mehalla and Zamalek against Al-Ittihad Al-Sakndary.

But while football has both unified and polarized parts of the country, fans now must cheer or lament from afar.