Both Gary Lineker and Micah Richards have defended Mikel Arteta for how animated the Arsenal boss can get on the touchline. The way Mikel Arteta conducts himself in the technical area remains under the microscope. Arteta was booked once again on Sunday as Arsenal beat Brighton at the Emirates. The Spaniard’s passion for the game can hardly be questioned. And you would certainly be left in absolutely no doubt at all about how the Gunners boss is feeling at any stage during a game. Gary Lineker and Micah Richards defend Arsenal boss Mikel ArtetaArteta has come in for criticism for picking up ano…