By Josh O’Brien Arsenal are undeniably one of the biggest clubs on the continent, but their European record is drastically underwhelming considering their stature. From 2017 to the current campaign, the Gunners had to go without Champions League football. The bulk of that period was spent in the Europa League, though there was one season without any sort of European football altogether. With that being said, the days Arsenal spent in Europe’s most prestigious club competition were hardly littered with success. To find the last time Arsenal even reached the quarter finals of the tournament, you…