Former Snooker professional Ian McCulloch looks ahead to the first two quarter-finals at the Crucible, offering his best bets for Ding Junhui v Mark Williams and Kyren Wilson v Mark Selby..Enjoy.http://serve.williamhill.com/promoRedirect?member=audiobooUK&campaign=DEFAULT&channel=will_football&zone=1478396557&lp=1478422550