By James Cormack Arsenal can once again return to the top of the Premier League table should they overcome Brighton & Hove Albion at the Amex on Saturday evening. Liverpool’s triumph on Thursday saw them restore their two-point advantage at the summit, but they’re next in action at Old Trafford on Sunday. Thus, Arsenal, as well as Manchester City in the early kick-off, have the chance to put some extra pressure on the Reds ahead of their significant duel. Arsenal barely had to break a sweat to overcome an injury-plagued Luton Town in midweek, with Mikel Arteta’s Gunners retaining their unbeate…