Nigeria, Aug. 18 -- Arsenal kicked off their Premier League campaign with a statement win, defeating Manchester United 1-0 at Old Trafford on Sunday.

Defender Ricardo Calafiori scored the only goal of the match in the first half, reacting quickest inside the box to hand the Gunners all three points.

The result extended Arsenal's unbeaten run against United in the league to six games, with five wins and one draw during that period.

It also continued Arsenal's strong recent record at Old Trafford, where they have now avoided defeat in three consecutive visits, winning twice and drawing once.

Mikel Arteta's side are also unbeaten in their last 15 Premier League away games, underlining their consistency on the road.

For United, it was an...