22 April 2013 Last updated at 12:43

NFL Draft: Manchester's Menelik Watson's trial

Manchester's Menelik Watson is expected to be one of the top picks in the NFL draft on 25 April.

His enormous frame, power and speed make him one of the best offensive tackles in the college game, but Watson's story is remarkable because he only took up the sport less than two years ago.

Here is his workout in front of NFL scouts.

(video courtesy of nfl.com)