Heading into the international break, Arsenal’s perfect start to the season has now been tarnished at the hands of Brighton & Hove Albion. Mikel Arteta’s Arsenal side started the game extremely well, Bukayo Saka was causing nightmares for Jack Hinshelwood on Brighton’s left. And eventually that pressure paid off when Saka slipped in Kai Havertz to give Arsenal the lead. From that point, it seemed as if Arsenal were heading for another clean sheet and a comfortable win, that was until Declan Rice was controversially sent off. Waking up on Sunday, Arsenal supporters will still be trying to wrap …