Arteta apologises to Rosenior after disrespect rowRosenior was angry that Arsenal staff encroached onto the Chelsea half of the pitch during the pre-match warm-up at the Emirates Stadium on Tuesday. Rosenior was angry that Arsenal staff encroached onto the Chelsea half of the pitch during the pre-match warm-up at the Emirates Stadium on Tuesday. #Chelsea #Arsenal #Tuesday #Emirates_Stadium #Arsenal_staff #Chelsea_half #staff_encroached #pre-match_warm-up #Arteta_apologises #disrespect_rowRosenior
