The Polish international may have left the 'Gunners' for Serie A a couple of season ago but it seems that he still remembers his former side fondly and the fact that there is no love lost between Arsenal and Tottenham was certainly not lost of the 27-year-old.
Following Juve's victory, which saw them through to the quarter-finals, Szczesny could be seen performing a "chin up" gesture in the direction of the home fans.
7 March 2018
As if that weren't enough, he later took to social media, posting on Instagram that the it was a: "Great win and celebrations vs one of the best teams in North London FORZA JUVE!!! #northlondonisred".