Arsenal take on Manchester City on Sunday, and Pep Guardiola seems really impressed with one of Mikel Arteta’s key players. The Gunners have been in incredible form recently. They have won eight games in a row in the Premier League, scoring 33 goals and conceding just five in that period. That should give them a ton of confidence going into the game at the Etihad on Sunday, but they will have to be at their best to get something out of the game. One Arsenal player, in particular, seems to have caught Guardiola’s eye, and he will be key for the Gunners tomorrow. Pep Guardiola says one Arsenal p…