Arsenal produced an assured and professional performance to earn a vital 3-0 win against Brighton and Hove Albion on Saturday. Arsenal went back to the summit of the Premier League table with a 3-0 win against Brighton and Hove Albion. Whilst the Seagulls are a very talented team, who posed a real threat to Mikel Arteta’s side, the North London club were still able to put in an extremely impressive display. How Arsenal beat Brighton 3-0 on SaturdayArsenal started very brightly, with Gabriel Magalhaes, Bukayo Saka, and Gabriel Jesus all spurning very presentable chances during the opening excha…