When Arsenal lost in the Europa League final, it felt like the Gunners were well and truly fucked. That defeat, coupled with a third-consecutive Premier League finish outside the top four, consigned Arsenal to life outside the Champions League for the third year running, presumably a massive setback in the club’s attempt to once again assume its rightful place as one of the (though never the absolute) best teams in England and Europe. And though, at that moment, gloomy prognostications of an extended exile from the Champions League felt justified and still may prove accurate, Arsenal have not-so-quietly had a tremendous summer transfer window that should set them up well for their push to regain entry to Europe’s elite competition. The most impressive of the Gunners’ summer acquisitions has been the signing of Lille winger Nicolas Pépé for only player in Europe’s top five leagues to complete over 100 take-ons, win 100-plus fouls, and take more than 100 shots last season. Pépé’s arrival in North London is a boon for an Arsenal team that can now credibly claim to possess the third-best attack in the Premier League, behind only Liverpool and Manchester City. It’ll take a little experimentation to figure…