India, Feb. 11 -- T20 is a game of phases: the Powerplay, the middle overs and the death. The data analysts place distinct demands on the team for each. But sometimes, a match shows us that the only true currency in a tight game is nerves. You can have all the strategy in the world but if you don't have heart, you'll never make it over line.

On Wednesday, South Africa and Afghanistan needed a final over made in cricket's chaotic heaven and two Super Overs to decide a winner. Everything that happened before seemed destined to matter little in a match that significantly strengthened South Africa's chances of making the Super Eight while virtually knocking Afghanistan out.

The official result will read 'Match tied (South Africa won the 2nd...