Tonga's captain joins Bristol Rugby

Tonga's Siale Piutau is to join Bristol Rugby from the New Year.

The Tongan international captain – who has twenty-four caps to his name – agrees the switch from Yamaha Jubilo and arrives in January.

Piutau previously represented Wasps in the Aviva Premiership, alongside his younger brother Charles.

Piutau represented Tonga at the 2011 Rugby World Cup, playing all four group games against Georgia, Namibia, Argentina and New Zealand.