Arsenal ace Tierney can be the next Robertson and looks a bargain at £25m – Emery must let him prove it by unleashing him against Man Utd

PIERRE-EMERICK AUBAMEYang and Alexandre Lacazette were not the only ones glowing about Kieran Tierney’s Arsenal debut last night. The £25m summer signing from Celtic will obviously face tougher tests in England than that posed by Championship outfit Nottingham Forest at The Emirates...