Leeds United boss Marcelo Bielsa is reportedly closing in on his third signing of the summer.
The Whites are back in the Premier League this season for the first time since 2004 having won the Championship last time out.
Rodrigo and Robin Koch have made a summer switch to Elland Road and reports suggest Dinamo Zagreb's Josko Gvardiol could be next.
Centre-back Gvardiol has reportedly impressed Leeds chiefs and is regarded as one of the brightest young defensive prospects around.
Manchester City, Lille, Borussia Dortmund, Bayern Munich and RB Leipzig have all been keeping tabs on his development.
Though renowned transfer expert Fabrizio Romano has claimed a deal is close between Leeds and Dinamo Zagreb with the Whites set to pay £18m for his services.
He tweeted: "Agreement to be reached soon for Josko Gvardiol to Leeds. Confirmed. Talks still on for Rodrigo de Paul."
Bielsa himself is yet to sign a new deal to keep him at Elland Road though Whites director Victor Orta is confident the coach will remain.
Leeds had been hoping to sign Ben White on a permanent basis with the Brighton man having impressed on loan last season.
But United were priced out of a deal with White putting pen to paper on a long-term contract on the south coast.
Though his agent Alex Levack has admitted his client was disappointed not to return to Leeds.
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He told the Sky Sports Transfer Show: "Of course. He enjoyed his time at Leeds incredibly.
"They looked after him so well, the fans were fantastic to him. But when a football club don't want to sell it's very difficult.
"There was a tinge of disappointment but that passed quickly, Ben's head is fully at Brighton and he wants to get cracking in the Premier League now."