By Joshua Browne Jorginho wants the Arsenal board to hand a new long-term contract to manager Mikel Arteta. With just over a year remaining on his current deal with the Gunners, Arteta, who took the managerial reins in December 2019, disclosed last month that there were no imminent updates on a possible extension. Arteta’s tenure has brought a sense of renewed optimism and progress to the Emirates Stadium. Guiding the club to their first Champions League quarterfinal in 14 years stands as a testament to his managerial acumen and tactical nous. Moreover, the palpable satisfaction exuding from t…