Former Newcastle United striker Alan Shearer believes that one thing could give Arsenal the edge in the Premier League title race this season. Arsenal came back to life in the Premier League title race on Saturday with a thumping 5-0 over Crystal Palace at the Emirates Stadium. Having been woeful form, especially in front of goal, of late, this victory was much-needed and showed that the Gunners have finally rediscovered their clinical edge. Mikel Arteta’s side now needs to build on this display and put together an extended run of positive results. If they can do that, then they still stand ev…