Luke Littler has been backed to become the richest darts player ever as his Premier League debut creeps closer. The 16-year-old won the hearts of a nation with his sensational performances at the recent World Darts Championship. The teenager saw off established names such as Rob Cross, Raymond van Barneveld and Brendan Dolan on his way to the final. And though Littler was unable to beat Luke Humphries, he still impressed with his display in last Wednesday’s 7-4 defeat. Littler clearly has a big future ahead. He’ll take part in the Premier League this year having earned a wildcard entry to the …