Hakan Calhanoglu's controversial penalty secured a narrow victory for Inter Milan against Arsenal, leaving Mikel Arteta facing mounting challenges. The match marked a disappointing turn for Arsenal, who had just experienced the unexpected resignation of their sporting director, Edu. With this defeat, they relinquished their unbeaten record in the Champions League, as Calhanoglu maintained his perfect penalty record for Inter, scoring the only goal in a tightly contested encounter. Arteta's frustration was palpable throughout the match, especially after he received a peculiar booking in the second half, putting him on the brink of being sent off as his team sought an equalizer. Despite a much-improved performance in the second half, where Arsenal earned 14 corners compared to Inter's none, they fell to their second consecutive 1-0 defeat on the road.