By Grey Whitebloom Mikel Arteta was completely justified in ranking Arsenal’s final match of 2023 as “our worst game of the season”. On a “really tough” and “sad” afternoon on the banks of the River Thames, Arsenal limped to a 2-1 defeat at Fulham’s Craven Cottage. Sitting top of the Premier League table on Christmas Day, the Gunners saw in the new year from a lowly fourth spot. Despite the despair, Arteta offered hope with a sense of perspective. “If we play like we played in the other 19 games we will be up there,” the Arsenal boss insisted. “If we play like today we will be nowhere near.” A…