Luke Littler has taken to social media to admit he’s ‘disappointed’ by his Premier League defeat to Michael van Gerwen on Thursday. But fans have flooded the 17-year-old with positive messages after he came close to a hat-trick. Littler had gone into Thursday night’s event in Birmingham looking for a third win in a row after recent triumphs in Belfast and Manchester. The teenager continued his impressive form, beating Rob Cross and Luke Humphries to reach the final. Yet Littler was unable to beat Van Gerwen, with the Dutchman throwing his way to a 6-3 victory. Now, writing on Instagram, the Br…