The Marriott London Sevens - Day 1 [Getty Images]

LONDON, ENGLAND - MAY 10: Alex Gray of England charges through a tackle from Agustin Cortes of Argentina during the Pool A match between England and Argentina during the Marriott London Sevens - Day One at Twickenham Stadium on May 10, 2014 in London, England. (Photo by Tony Marshall - RFU/The RFU Collection via Getty Imagesges)

The RFU Collection Tony Marshall - RFU