Sonny Bill Williams puts in a monster tackle at the London Sevens

All the talk at this year's London 7s is about another cross-code convert, but Sonny Bill Williams has been quietly going about his work in his own fight to make it to the Olympics. On the opening day in London he made this cracking tackle, reminding everyone he is out there. World Cup winner Williams read this attack from Russia and stepped in to cut it off, chopping down big Denis Simplikevich, exciting commentator and former New Zealand 7s star himself, Karl Te Nana. "Get you some son! Wohooo!" New Zealand beat Russia 33-10, beat Brazil 31-0 and drew with Argentina 14-14. They will face th…