7) Mustafi could be the answer to Arsenal's defensive problems
Arsenal lacked a good, consistent and composed defender to partner Koscielny for quite a while now and that was no secret. To the relief of many Arsenal fans around the world, Arsene Wenger managed to sign Shkodran Mustafi from Valencia after a lot of speculation surrounding the move for weeks.
While Arsenal did concede against Southampton on Saturday, The German centre-back had a good start to his career in England. Mustafi was composed and classy alongside Laurent Koscielny. His distribution of the ball was also fantastic and could be an important aspect for Arsenal as Wenger likes to build up and attack from the back.
8) Roberto Pereyra adds cutting edge to Watford side
After earning Promotion to the Premier League last season, Watford avoided relegation with a convincing display and finished 13th. Troy Deeney and Odion Ighalo were absolutely fantastic for Watford last season but they were inconsistent.
However, with the introduction of Roberto Pereyra has changed the look of this Watford side who tore West Ham apart in the Olympic Stadium. The Argentine adds flair and composure to Watford and has been clinical in the attacking third.