FA has announced the referee for Southampton - Arsenal match.Gunners will visit Saints, and have a good chance to extend their unbeaten run to 23 matches (+ the Europa League match against Qarabag).Chris Kavanagh will be the man to work at St Mary’s stadium on Sunday afternoon.And Unai Emery can hope for another 3 points, as Kavanagh is a ‘successful’ referee for Gunners.Arsenal beat Crystal Palace at the start of the year 4-1 and beat Leicester City 3-1 this season, when the young referee has been in charge of the matches. Currently being 4th in EPL table, North London club can keep on improving and continue the race for Top - 4 place.