Arsenal are now expected to put a life changing contract proposal on the table to sign one of Mikel Arteta’s targets this summer. The Gunners have not been scared to back the Spaniard in the market with significant financial commitments, spending £65m and £280,000-a-week to sign Kai Havertz, while Declan Rice was handed a deal worth £240,000-a-week after his £105m move from West Ham. Now, Arsenal are ready to offer another Mikel Arteta target a substantial salary… Arsenal likely to offer Mikel Merino a life changing contractA story from Mundo Deportivo in Spain now claims that Arsenal are ‘pro…