Dylan Hartley ready for Wales but with concussion thoughts at back of his mind

• England captain has had one game since March• “If I got another concussion now, I would be worried’To listen to Dylan Hartley before England’s financially motivated end-of-season fixture against Wales was to be reminded of the significant risks players take whenever they pull on an international jersey. Hartley is keen to lead his squad away to Australia next week on an upbeat note but admits his career could be threatened if he receives another heavy blow to the head.Since being knocked cold in the grand slam-clinching win against France in Paris in March, Hartley has featured in only one c…