Kaylin Whitney after pro debut at TX Relays

Milesplit's Jimmy Stevenson caught up with Nike's Kaylin Whitney after her professional debut in the 4x100m at Texas Relays. The 17-year-old Whitney owns world youth records in both the 100m (11.10) and 200m (22.49), and just signed a contract on March 9th, her birthday. WATCH MORE ON MILESPLIT!