By Matthew Cooper Luke Littler has joked he now has more time to play his Xbox after he was knocked out of the Players Championship 4 in the first round by James Wade. Littler rose to fame at the PDC World Championships as the teenager beat former world champions Rob Cross and Raymond van Barneveld on his way to the final, where he was beaten 7-4 by Luke Humphries. Since then, Littler has gone on to earn a wildcard spot in the Premier League, win the Bahrain Masters and make his Players Championship debut. He won the Players Championship 1, but crashed out in the second round and quarter-final…