After their record-breaking feats last year in the Champions League, Arsenal are at it again. But having been delayed along with hundreds of travelling supporters by travel chaos on Tuesday, Mikel Arteta’s side had to bide their time against Napoli until Martin Ødegaard continued his rich vein of goalscoring to start the new campaign with the crucial strike. Perhaps it was the fact they were forced to wear red shorts for the first time since a Premier League game against Watford in 2022 due to…