Shkodran Mustafi underwent surgery at the weekend and will miss the start of next season, sitting out a second FA Cup final.
While Mikel Arteta received better than expected news on Bernd Leno, he will be without Gabriel Martinelli for months.
It was feared Bernd Leno would be out for the long term following the Arsenal goalkeeper's clash with Neal Maupay, but that is not the case.
Arsenal manager Mikel Arteta's chief gripe was with his own players rather than Neal Maupay after a painful league defeat to Brighton.
Neal Maupay struck an injury-time winner against Arsenal to leave Mikel Arteta furious with his players.
Graham Potter insists Neal Maupay was going for the ball when his foul on Bernd Leno resulted in a horror injury.
Brighton and Hove Albion's Neal Maupay taunted Arsenal after clashing with Bernd Leno and then scoring the winning goal at the Amex Stadium.
Brighton's Neal Maupay and Lewis Dunk left Arsenal stunned after Nicolas Pepe lit up a deserted Amex Stadium with a wonderful opening goal.
Bernd Leno screamed in pain before being taken off on a stretcher during Arsenal's Premier League match at Brighton.
Kedudukan Manchester City yang kini menghuni tangga kedua Liga Perdana Inggeris (EPL) serta hasrat mereka untuk terus menyaingi Liverpool tidak melemahkan semangat Arsenal menjelang pertemuan kedua-dua pasukan 18 Jun ini.