Garth Crooks believes one Arsenal player could be key to victory at Tottenham Hotspur this Sunday. Ange Postecoglou and Mikel Arteta are set to face off in the second north London derby of the season this weekend. Tottenham will head into the game off the back of a two-week break following their 4-0 defeat at St James’ Park. Arsenal have faced a busy schedule ahead of the derby. The Gunners picked up a 2-0 win at Wolves on Saturday evening following consecutive defeats against Aston Villa and Bayern Munich. Arteta’s side also host Chelsea tomorrow evening at the Emirates Stadium before making …