Mikel Arteta hopes new signing WIllian will help to improve two Arsenal players

Mikel Arteta hopes new signing Willian can make an immediate impact at Arsenal (Picture: Getty)Mikel Arteta is confident new signing Willian can make an immediate impact both on and off the pitch at Arsenal.
The 32-year-old ended months of speculation surrounding his future on Friday after he agreed a deal that saw him become the second player in the space of 12 months to swap Stamford Bridge for the Emirates Stadium.David Luiz, after a turbulent start to his Gunners career, has a emerged as a k