Wales fly-half Sam Costelow faces a race to be fit in time for the Six Nations after his head coach at Scarlets Dwayne Peel confirmed he will be out until next year with a “hamstring tear”. Wales fly-half Sam Costelow faces a race to be fit in time for the Six Nations after his head coach at Scarlets Dwayne Peel confirmed he will be out until next year with a “hamstring tear”.