Luke Humphries has defended his US Darts Masters title with victory over Luke Littler.Humphries beat his long-term rival 8-7 at Madison Square Garden on Friday night to earn his third PDC World Series Final accolade.Humphries has won back-to-back US Darts Masters titlesGettyThe world No. 2 beat Leonard Gates, Stephen Bunting and Gian van Veen over two days of action before claiming victory in the final.Littler first beat David Cameron and then Jim Long in the quarter-finals, where he left a commentator aghast by his plan of action to win the third leg.Chasing 182, the reigning world champion hit 180, meaning he had to finish on a double 1 to win.“I mean, we should be disgusted by this behaviour, really,” the PDC commentator jokingly said. “How dare he know how good he is!”Littler then hit double 1 at the first time of asking and eventually won the match 6-1, with victory over James Wade sending him to the final.However, he was unable to get the better of Humphries at the last hurdle, days after their World Cup victory for England.Living it up in the Big AppleHumphries and Littler have certainly enjoyed themselves stateside this week.The pair featured on ITV as part of their coverage of the FIFA World Cup, and played darts with Laura Woods and Duncan Ferguson.After their trip to the studio, they appeared at the iconic New York venue Madison Square Garden for the US Darts Masters.It’s where the New York Knicks came from behind to beat the San Antonio Spurs 107-106 in a dramatic NBA play-off game.View Tweet: https://t.co/wO0KEPpb5sA commentator jokingly said he was ‘disgusted’ by Littler’s 180GettyThe tournament was played at the world-famous Madison Square GardenGettyMadison Square Garden has also hosted musical legends such as Elvis Presley, the Rolling Stones and Madonna.And for Humphries, it tops his list of the ultimate darts stages as he said: “This is the most iconic venue I think darts will ever go to.“Every year we come here it gets better and better, and the fans have been absolutely amazing. It’s been insane.“It’s great to go back-to-back. I’m always out to set records and do things that not many players have done.“Me and Luke always have fantastic games, and it’s just another brilliant game in the saga of Luke v Luke.“I feel if I can keep performing like this then I can keep pushing him, because he’s unbelievable. He’s the toughest player in the world to beat.”