Nixon saying he's withholding the name in case it scuppers the deal... That would suggest we've heard of this player
Jose Enrique for a starter. He authorised the signing. Just in the same way the consortium if advanced enough (hint they are) can do.
You should probably check the actual facts mate. It’s hardly complicated https://en.m.wikipedia.org/wiki/Mike_Ashley_(businessman) https://en.m.wikipedia.org/wiki/José_Enrique_(footballer)