The Arsenal board could be making a decision that will not go down at all well with manager Mikel Arteta. Off the back of steering the Gunners to successive 2nd-place Premier League finishes, Arteta is perhaps Arsenal’s most prized asset at the moment. That is saying something for a side who have the likes of Bukayo Saka and Declan Rice on the books. The Spaniard has enjoyed a strong relationship with the top brass in his five years at the Emirates. They backed him when some suggested Arsenal should move in a different direction in the early stage of his premiership. But the board appear to be…