But the point being made was that he played a major role in Athletic Club's build-up play before he moved forward into the box. Not necessarily immediately before a goal, but in the general move that got the team up the pitch and in a good position to mount an attack.
He wasn't just loitering high up the pitch and not contributing to general team play in the way a Trezeguet or Inzaghi typically would.
I wouldn't say he was 'deep-lying', particularly, at Athletic Club, but he was expected to/given the freedom to drift around a bit more.
With Juve having Tevez, Llorente is expected to provide more of a fixed focal point and to occupy defenders that way in order to create the space for Tevez behind him.
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Big gap between being a good finisher - which Llorente undoubtedly is - and being as good a finisher as Trezeguet.
Very few people in the history of football have been as good at finishing as Trezeguet.