By Mitch Wilks Mikel Arteta expressed his delight at Arsenal’s performance and mentality as they beat Chelsea 1-0 at Stamford Bridge on Sunday. Gabriel pounced on poor Chelsea defending from a corner after an hour to tap Arsenal in front and ultimately deliver them a deserved three points. The win puts them back at the top of the Premier League following Manchester City’s late win against Fulham on Saturday, and Arteta was delighted with how side side conducted their business. “Well obviously we want to get back to being at the top,” Arteta told the BT Sport studio pundits post-match. “But obv…