Arsenal are still waiting to see how bad Martin Odegaard’s injury is, after the midfielder was dealt a blow during the International break. Odegaard appeared to twist his ankle during Norway’s game against Austria, and was spotted in crutches after the match. With tough trips to Tottenham Hotspur, Atalanta and Manchester City in the coming week, Mikel Arteta now finds himself on the verge of a potential crisis, as new signing Mikel Merino is also injured, and Declan Rice is suspended for the North London Derby. It has been estimated that Odegaard could be absent for a minimum of three weeks, b…