Justin Gatlin's nephew adorably challenged Asafa Powell and Usain Bolt's kids as he trained with his uncle for the track. Gatlin has been toe-to-toe with both Powell and Bolt during his active years.

(ATR) Jamaicans Usain Bolt and Asafa Powell plus Tyson Gay of the U.S. headline the first day of athletics competition in three different 100m heats. Two golds will be awarded in the Bird's Nest ...