Gary Lineker and Alan Shearer have now branded one Arsenal star a “joke” for something he did against Brighton on Saturday. Arsenal produced an efficient and professional performance as they earned a 3-0 win against Brighton and Hove Albion on Saturday. The Gunners travelled to the Amex Stadium knowing that a win would send them back to the top of the Premier League table. However, Mikel Arteta’s side betrayed no sign of nerves as they kept the hosts at arms’ length. It was a ruthlessly effective defensive performance from the North London club. The Arsenal defence has been in a class of its o…