(Yes, even you Amy.)
The elevation in Johannesburg is 5,751 feet above sea level, which puts it 471 feet above the "Mile High" city of Denver. The players and coaching staff first started noticing the effects in warm-ups today, and will continue to acclimatize throughout the week. The weather may also be a factor, with temperatures in the afternoon reaching the mid-80's. With a 4 p.m. local time kickoff, the players may be working against a couple of other factors besides the Bafana Bafana.