Arsenal have now been handed a huge boost, as journalist David Ornstein has dropped a major update over the future of Mikel Arteta. Arteta had entered the final 12 months of his contract as Arsenal manager, and questions were raised in recent months over his future as Barcelona expressed an interest in him. However, the Spaniard had no intention of departing Arsenal, and Arteta expressed his fury at reports coming out of Spain that he had agreed to join Barcelona. It has now been revealed that Arteta has agreed a new three-year contract at Arsenal, signing fresh terms which will extend his dea…