Rugby speedster gets NFL chance

Updated 1:05 PM ET, Fri December 27, 2013
Carlin IslesCarlin Isles
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Former track athlete Carlin Isles has been given the opportunity to prove himself in the NFL by the Detroit Lions. JIM WATSON/AFP/Getty Images/file
The 24-year-old has completed the 40-yard dash in under 4.3 seconds. David Rogers/Getty Images/file
Seen here in action for San Francisco at the World Club Sevens in August 2013, Isles took up rugby the previous year. David Rogers/Getty Images/file
The winger has become a key member of the U.S. international team -- here scoring a try against Kenya at the Gold Coast Sevens in Australia in October 2013. Matt Roberts/Getty Images/file
With the Lions set to miss the NFL playoffs, Isles will be available for the next round of the Sevens World Series in Las Vegas from January 24-26. Bradley Kanaris/Getty Images/file
Kenya-born Daniel Adongo made the switch from rugby to the NFL this year, joining Indianapolis Colts as an outside linebacker. He was promoted to the active roster in December.