By Ewan Murray Arsenal squeezed into the Champions League last eight on Tuesday evening as they beat Porto in a penalty shoot-out at the Emirates Stadium. Leandro Trossard got Arsenal back into the tie with his well-executed finish four minutes before half-time, but Arsenal couldn’t muster a second across 120 minutes as the match headed to penalties. Arsenal netted all four of their spot kicks with little fuss, but it was David Raya who achieved hero status following two impressive saves in the shoot-out. Here is how X users reacted to the thrilling affair. Having lost 1-0 to Porto at the Esta…