Arsene Wenger has insisted Alexis Sanchez’s move to Manchester United is all about money. The Gunners boss Wenger claimed 29-year-old Sanchez went to Old Trafford for one last pay day at the end of his career and the fact even Manchester City could not afford him proves it. Sanchez left Arsenal for a mega £400,000-a-week contract, £15m signing-on fee and his