The Gunners midfielder worked under Real Madrid earlier this year. This summer, however, Mourinho rejoined Chelsea, and Ozil was a deadline day arrival at the Emirates.
Clearly, there's enough affection between the two for the German, who came on as a second-half substitute, to give up his jersey to his former boss.
Mourinho taking ozil's shirt after the match, great coach..amazing player pic.twitter.com/M0DAhAEqfC— Hessaaaaaa. (@Heessaax) October 29, 2013