Athletic success cannot be sustained on talent and technique alone. Confidence is essential, too.
Thanks to fiery hot streaks, these Olympians arrived in London equipped with that all-important third element.
Performing well in regional leagues, tune-up tournaments and exhibitions puts competitive minds at ease heading into the 2012 Games.
Prevailing against motivated opponents raises their expectations and gives them reason to believe that such feats can be repeated on the international stage.
All indications suggest that the following athletes will be in medal contention.