Fastest man in rugby Carlin Isles ready to light up Rio Sevens tournament

"People have to play him differently because he's so fast, and that opens up other opportunities for the other guys."

Carlin Isles has revealed how an early morning telephone conversation with former England scrum-half Nigel Melville helped launch his rugby career.

And Melville's foresight could be underlined in dazzling fashion at the Rio Olympics by the 26-year-old speed machine.