Kaylin Whitney after pro debut at TX Relays

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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!