Yesterday saw the club finalise the transfer of English talent Eric Dier from Portuguese side Sporting Lisbon - with the defence an area of concern for Pochettino.
He was also rumoured to be after another cultured centre-back this summer in the form of Espanyol star Hector Moreno.
Pochettino signed Moreno from Dutch side AZ Alkmaar in 2011 when he was Espanyol boss - so he has previous with the player.
Espanyol's president Juan Collet confirmed that a bid had been made for the player - with Marseille, Stuttgart, Manchester United and Hull City all teams mentioned with an interest.
But no deal ever came off. Moreno, who was earning the move by impressing at the World Cup in Brazil, soon had his dream move ideas dashed. Moreno thrashed out at a loose ball during the second round tie with Holland earlier this summer - catching Arjen Robben with his shin, breaking the tibia in his left leg.
Now Moreno has opened up about his injury and what was a potential transfer this summer - admitting he could have left, not revealing the team, but suggesting he is now happy to make his comeback with Espanyol in four months:
He told ESPN Radio, translated by Inside Spanish Football:
"I had things at a very advanced stage to leave. Certainly I was lacking the final approval, that Espanyol would allow me to leave, but I know there were proposals on the table for me to consider.” I feel good and I’m getting better every day. I’m making good progress. Now it’s up to god and I’m confident about the recovery work I’m doing, which are long days and with six hours work each day. The aim is that if all goes well, I’ll be back in four months.”
If Moreno can return and show some of his best form after January perhaps a summer move could be on in 12 months time. But for now, Moreno will be sticking around Barcelona for a little while longer yet.