Two stars of their time, and the unlikeliest half-back pairing in rugby league history: how did Gavin Henson and Rangi Chase end up at West Wales together?

It is a half-back pairing that, up until a few weeks ago, you could have only put together in a fantasy land. They are two of the most recognisable rugby players of recent times, with very different paths that have brought them to this remarkable moment in time together. Gavin Henson. Thirty-three Wales caps. A…