By Scott Trotter Mark Williams cut an emotional figure as he came from behind to beat Ronnie O’Sullivan at the Tour Championship in Manchester. The Welsh star rattled off seven straight frames on his way to a 10-5 victory that saw O’Sullivan suffer his first final loss in five years. The Rocket had led 5-3 after scored all four centuries in the match up to that point. Williams put in a clinical evening session to ensure that his opponent was punished as O’Sullivan struggled to find his rhythm. The three-time World Champion recorded breaks of 104, 99 and 112 to ensure the momentum turned in his…