Please use Chrome browser for a more accessible video player Clayton defeated the reigning world champion in the Grand Prix and World Series of Darts Finals. The second half was tighter on the scoreboard, but as the clock ticked down, Mavericks' belief grew and grew. Afghanistan's bowlers seemed to have a vice-like grip on the contest and when Rashid Khan (1-14) bowled Zane Green with his first ball, Namibia were 36-4.