The Swansea-born centre is returning to Wales after 6 seasons with European Champions Bath.
"I'm really happy to be coming back to Wales I played here for many years before moving to Bath and it's great that the Dragons are giving me the opportunity to come back.
"I have to admit it's a bit nerve-wracking to be coming into such a big weekend with the game away game at the Blues. It's hard work learning all the moves in a short time but I've already done a training session and the players are really easy-going. The coaches have been very helpful and I'm really looking forward to pulling on a Dragons jersey"
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