By Scott Trotter Luke Littler didn’t hold back in enjoying Manchester United’s win over Liverpool and delivered a brutal dig at Reds boss Jurgen Klopp. The United fan has enjoyed a sensational rise to stardom after reaching the World Darts Championship final in January and appeared to take plenty of joy in the victory earned by Erik ten Hag’s side. The Red Devils required extra time after Antony scored a crucial equaliser in the 87th minute having being 2-1 down. The 13-time Premier League champions went behind again after 105 minutes when Harvey Elliott looked to have put the game out of Unit…