Micah Richards and Alan Shearer had a debate on what Serge Gnabry did against Arsenal this week. The Gunners and Bayern Munich had to settle for a 2-2 draw at the Emirates Stadium after an intense first leg of the quarter-final of the Champions League on Tuesday. Bukayo Saka opened the scoring early in the game, but Serge Gnabry levelled the scores. Harry Kane then doubled Bayern’s lead and went in with a 2-1 lead at half-time. Leandro Trossard saved the day for Arsenal after the break. Richards and Shearer had their say about one incident that involved former Arsenal star Gnabry. The two of t…