Mikel Arteta was frustrated in his chase for a striker with Isak, who fired Newcastle into a Carabao Cup semi-final first leg lead, among those deemed impossible to sign

Arsenal could have major difficulties in securing the signature of Newcastle United striker Alexander Isak this summer.

Fabrizio Romano has shed light on how and why Arsenal failed to sign a striker in the January window, though the Gunners have Alexander Isak and one other striker in their sights for the summer.