Arsenal track Abdou Diallo ahead of a possible move for the Mainz defender.Arsenal will monitor Mainz defender Abdou Diallo ahead of a potential summer move.The 21-year-old joined the Bundesliga side from Monaco last summer for £4million and has impressed scouts including Sven Mislintat at Arsenal.Diallo has captained France at U21 level and can play as centre-back, left-back or防御的なミッドフィールダー。彼は今シーズン、Mainzに17回出場し、3つのゴールを決めました。