Fiji's Emosi Vucago (R) is tackled by South Africa's Mpho Mbiyozo before scoring during the final match of the Hong Kong Sevens rugby tournament March 29, 2009. Fiji won the championship. REUTERS/Bobby Yip (CHINA SPORT RUGBY) 

Fiji's Emosi Vucago (R) is tackled by South Africa's Mpho Mbiyozo before scoring during the final match of the Hong Kong Sevens rugby tournament March 29, 2009. Fiji won the championship. REUTERS/Bobby Yip (CHINA SPORT RUGBY IMAGE OF THE DAY TOP PICTURE) 

South Africa's Mpho Mbiyozo (bottom) fights for the ball with South Korea's Kim Keun-hyun (top R) during the preliminaries of the Hong Kong Sevens rugby tournament March 27, 2009. REUTERS/Bobby Yip (CHINA SPORT RUGBY) 

Argentina's Gonzalo Camacho (L) is tackled by South Africa's Mpho Mbiyozo during their quarter-final match on the final day of the IRB Rugby World Cup Sevens in Dubai, March 7, 2009. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES SPORT RUGBY) 

South Africa's Frankie Horne (L), Mpho Mbiyozo and Neil Powell (R) walk around the pitch after their quarter-final match against Argentina on the final day of the IRB Rugby World Cup Sevens in Dubai, March 7, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES SPORT RUGBY) 

South Africa's Mpho Mbiyozo walks off the pitch after losing their quarter-final match to Argentina on the final day of the IRB Rugby World Cup Sevens in Dubai, March 7, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES SPORT RUGBY) 

South Africa's Frankie Horne (L, back), Mpho Mbiyozo (C) and Neil Powell walk around the pitch after their quarter-final match against Argentina on the final day of the IRB Rugby World Cup Sevens in Dubai, March 7, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES SPORT RUGBY) 

South Africa's Mpho Mbiyozo (L) and Argentina's Pablo Cora jump for the ball during their quarter-final match on the final day of the IRB Rugby World Cup Sevens in Dubai, March 7, 2009. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES SPORT RUGBY) 

South Africa's Mpho Mbiyozo (L) is tackled by Argentina's Martin Rodriquez during their quarter-final match on the final day of the IRB Rugby World Cup Sevens in Dubai, March 7, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES SPORT RUGBY) 

Scotland's Roddy Grant (front) runs with the ball against South Africa's Mpho Mbiyozo during their match on the second day of the the IRB Rugby World Cup Sevens in Dubai, March 6, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

South Africa's Philip Snyman(R) and Mpho Mbiyozo(2nd L) try to get out of a scrum against Scotland's Roland Reid(2nd R) and Scott Forest during their match on the second day of the the IRB Rugby World Cup Sevens in Dubai, March 6, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

Scotland's Colin Gregor (C) is tackled by South Africa's Frankie Horne and Mpho Mbiyozo (top) during their match on the second day of the the IRB Rugby World Cup Sevens in Dubai, March 6, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

South Africa's Mpho Mbiyozo (L) fights for the ball against Scotland's Colin Shaw during their match on the second day of the the IRB Rugby World Cup Sevens in Dubai, March 6, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

South Africa's Mpho Mbiyozo (R) is tackled by Scotland's Mike Adamson during their match on the second day of the the IRB Rugby World Cup Sevens in Dubai, March 6, 2009. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

Fiji's Mpho Mbiyozo jumps for the ball from the lineout against Japan's Michael Leitch (top) during their match on the first day of the IRB Rugby World Cup Sevens in DubaiMarch 5, 2009. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES) 

South Africa's Mpho Mbiyozo (R) is challenged by England's Josua Drauniniu (2nd R) and Isoa Damu as he lunges to score a try during their final rugby match at the IRB Sevens World Series in Dubai November 29, 2008. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

South Africa's Mpho Mbiyozo (L) celebrates after scoring a try against England during the final rugby match at the IRB Sevens World Series in Dubai November 29, 2008. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

South Africa's Mpho Mbiyozo (R) scores a try as he is tackled by England's Josua Drauniniu (2nd R) and Isoa Damu (3rd L) during their final rugby match at the IRB Sevens World Series in Dubai, November 29, 2008. REUTERS/Jumana El Heloueh (UNITED ARAB EMIRATES) 

South Africa's Mpho Mbiyozo (front) is tackled by Samoa's Simaika Mikaele during the Hong Kong Sevens rugby tournament March 30, 2008. REUTERS/Victor Fraile (CHINA) 

Australia's Andrew Walker (C) struggles with South Africa's Neil Powell (L) and Mpho Mbiyozo during the quarter-finals of the Hong Kong Sevens rugby tournament March 30, 2008. REUTERS/Bobby Yip (CHINA) 

South Africa's Mpho Mbiyozo (front) and Japan's Yusaku Kuwazuru look on during the Hong Kong Sevens rugby tournament in Hong Kong March 28, 2008. REUTERS/Victor Fraile (CHINA) 

New Zealand's D J Forbes (L) scores a try with South Africa's Mpho Mbiyozo on his back during the cup final of the IRB (International Rugby Board) Sevens World Series in San Diego, California, February 10, 2008. REUTERS/Fred Greaves (UNITED STATES) 

New Zealand's Zar Lawrence scores a try with South Africa's Mpho Mbiyozo right behind him during the final cup of the IRB (International Rugby Board) Sevens World Series in San Diego, California February 10, 2008. REUTERS/Fred Greaves (UNITED STATES) 

Tonga's Teuimuli Kaufusi escapes the tackle of South Africa's Mpho Mbiyozo during a quarterfinal match of the IRB Rugby Sevens World Series in Wellington February 2, 2008. REUTERS/Anthony Phelps (NEW ZEALAND) 

Tonga's Teuimuli Kaufusi beats the tackle of South Africa's Mpho Mbiyozo during a quarterfinal match of the IRB rugby Sevens World series in Wellington February 2, 2008. REUTERS/Anthony Phelps (NEW ZEALAND) 

South Africa's Mpho Mbiyozo (C) beats the tackle of Tonga's Vaea Poteki in a quarterfinal match of the IRB rugby Sevens World series in Wellington February 2, 2008. REUTERS/Anthony Phelps (NEW ZEALAND)