Bukayo Saka is one of Mikel Arteta’s main men, but that doesn’t stop the winger from facing the wrath of the Arsenal boss when he doesn’t do the right things. The Gunners welcomed Paris Saint-Germain to the Emirates on Tuesday night for their second game in this season’s Champions League. Kai Havertz gave Mikel Arteta’s side the lead after 20 minutes before Saka got himself a goal when his free-kick went through everyone and found the back of the net. It was a comfortable win from that point for Arsenal, but Arteta wasn’t pleased with one incident before half-time even though his side were in …