Harlequins target Adam Jones and Jamie Roberts

Adam Jones, the former Wales prop, is poised to leave Cardiff Blues at the end of the season to join Harlequins, who are also in the market for Jamie Roberts, the Wales centre.

Jones joined the Blues last August after an acrimonious exit from the Ospreys.

The 34-year-old tighthead has won 100 caps for the Lions and Wales, but has not featured since the summer tour of South Africa.

After being left out of the Wales squad for the Six Nations this season, Jones announced his retirement from international rugby, a decision he has indicated he might reconsider should Warren Gatland reach o…