Glasgow Warriros have announced that they are to sign Carlin Isles until May 2015, subject to the American getting a work permit, reports BBC Sport.

The 24-year-old, who switched from athletics to rugby sevens in 2012, is often called the fastest man in rugby. His best 100m time would have been quick enough to get him into the semi-finals of the London Olympics.

The former sprinter shot to fame via Youtube playing for hisd national rugby sevens squad, where he literally ran rings round the defence, scoring some remarkable tries whilst leaving opponents in his wake.

In 14 sevens tournaments, Isles has scored 27 tries. He made his first appearance only weeks after first trying out the game.

Whilst he may not have much experience in playing in teams of 15 and his lack of tactically knowledge may initially be a problem, the opportunity to see him sprint down the wing will be a joy for the Glasgow fans to watch.

Glasgow coach Gregor Townsend evidently believes that Isles has proved that he is a quick learner of the game and could challenge to be part of the starting XV soon.

"Carlin is an exceptionally-gifted athlete, who has picked up the game of rugby in a very short period of time and has had a huge impact on the sevens circuit over the last couple of years. With his lightning pace and evasion skills, he already has an excellent base to challenge for a starting place until the end of the season," he said.

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