Former Manchester United defender Rio Ferdinand provided a warning which his old club failed to heed in their loss at Arsenal.
Nuno Tavares, Bukayo Saka and Granit Xhaka found the net for the Gunners, while Cristiano Ronaldo scored United's goal in their 3-1 defeat. Bruno Fernandes missed from the penalty spot with the score at 2-1, and the loss leaves United six points behind their rivals having played a game more.
The result prompted more questions about interim manager Ralf Rangnick, who warned successor Erik ten Hag there is "a lot of work" needed. Ferdinand, however, anticipated some of the problems in store.
