Follow @RedefinedRugby RESULTS - DAY ONE (US Time Fri 13th / NZ Time 14th Feb) 2014/15 HSBC Sevens World Series - DAY ONE Las Vegas RESULT : SOUTH AFRICA 7s 19-00 PORTUGAL 7s Tries RSA: Benjamin , Kok , Senatla Conversions RSA: Du Preez (2) RESULT : USA 7s 52-12 JAPAN 7s Tries USA : Barrett ,Bender