“The lad's here having a medical and we're trying to get it done if we can,” the 57-year-old told The Birmingham Mail. “It's not at all linked, it's nothing to do with Saido's position at this football club, but you never say never.
"He's a very good defender coming from a top club in Tottenham. He wants to play regular football and show he can compete and do well in the Premier League.
"That ambition, drive and desire is what you want at the football club. He's won two Europa League medals and is a good signing for the football club."
Fazio is a very good and highly-rated central defender, but he struggled for playing time at Tottenham last season.
The Argentine could feature in just 20 Premier League matches for Spurs during the 2014-15 campaign.
The former Sevilla star made six appearances in the Europa League, but he was not overall impressive in his debut season in the Premier League.
As for Berahino, he will be a good signing for Tottenham, if the North London outfit can convince West Brom to sell him.
Earlier this week, the Baggies announced on their official website that they have rejected an offer from Spurs for the English striker, but The Mirror claims that Mauricio Pochettino’s side will make a second and improved bid for the youngster.