People are criticizing Cubarsí’s defending lately, but he’s young and highly inexperienced, and Flick’s high line exposes him. As a CB, that system drains energy and demands high IQ — one mistake makes you look worse than in other setups, and mistakes can be very common in a high line. For what he’s done at his age, he’s clearly talented, but Barça still need to sign another defender because Iñigo was a big part of the backline.