Newcastle may therefore need to slap a serious offer on the table or scour the market for alternative options.
A £33m bid for Monaco’s Benoit Badiashile was reportedly rejected, with the French side holding out for a mammoth fee when it comes to their prized youngster.
Having tested the waters for three separate targets, it remains to be seen whether the Magpies have more candidates up their sleeve, or whether they will simply have to table the kind of offer that no sane club could refuse.
Despite Sevilla’s high-flying status in La Liga, Carlos himself is said to be keen on a switch to Tyneside.
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