Man United sign FA Youth Cup winner Karim Cassim from rivals Man CitySportSep 24 at 4:39 AM – Sep 24 at 6:48 AM3 outletsThe IndependentMan United sign FA Youth Cup winner Karim Cassim from rivals Man City Sep 24 at 6:48 AMEvening StandardMan Utd react to Arsenal academy raid by signing Man City wonderkid Sep 24 at 6:26 AMThe New York TimesKarim Cassim, 17, completes Manchester United move from Manchester City Sep 24 at 4:39 AM