EXCLUSIVE By Wayne Veysey

Florian Jozefzoon has passed a medical at Derby and agreed a three-year deal at the iPro Stadium after choosing the Rams over Leeds, Football Insider sources understands.

Derby and Leeds both agreed fees in the region of £2.5million with Brentford for Jozefzoon earlier this week.

Jozefzoon had a medical at Derby earlier on Thursday and the Dutchman has now successfully come through that to put the finishing touches to his move to Derby.

A well-placed source has told Football Insider that the influence of new Derby boss Frank Lampard was the deciding factor in Jozefzoon opting to go to Derby ahead of Leeds.

It is understood the Premier League legend’s persuasive powers proved to be key in what has been a momentous week of transfer activity at the club.

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The former Holland Under-21 will become Derby’s third new signing of the week following the arrivals of Mason Mount and Harry Wilson on loan from Chelsea and Liverpool respectively.

The news is a blow to Leeds manager Marcelo Bielsa and means he will now have to look elsewhere as he aims to boost his side’s attacking options before the close of the transfer window next month.

In other Leeds United news, the club are working on a deal to sign the most creative player in English football in what would be a sensational transfer.