By Kieran King Darts sensation Luke Littler has earned himself a new lucrative sponsorship after it was confirmed he has teamed up with fashion retailer boohooMAN. The 17-year-old was officially announced as a representative for the clothes brand less than three hours before his Premier League debut in Cardiff. Littler has taken to the world of sport by storm since his memorable run to the World Championship final at Alexandra Palace last month. Littler beat the likes of Raymond van Barneveld, Brendan Dolan and Rob Cross en route to the final, before losing out to Luke Humphries. After winning…