Maurizio Sarri is yet to win a major trophy as a manager (Image: GETTY)
Jorginho joined Chelsea in a £50million move from Napoli in the summer, following his former manager Maurizio Sarri in making the move from Naples to London.
Gullit, who managed Chelsea from 1996 until 1998, has called the big-money transfer a mistake.
The former Netherlands international believes it was an error due to Chelsea already having N’Golo Kante in the squad.
“Kante is a World Cup winner and Jorginho is a player Sarri knows he can trust,” Gullit told the BBC.
I think Sarri's biggest mistake was to buy Jorginho when he already had N'Golo Kante
Ruud Gullit
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"That's why, personally, I think Sarri's biggest mistake was to buy Jorginho when he already had N'Golo Kante," Gullit claimed.
“They are a little bit different as players but both of them are holding midfielders.”
Chelsea reached the final of the Carbao Cup earlier this week win a penalty shoot-out victory over Tottenham at Stamford Bridge.
Jorginho cost in the region of £50million (Image: GETTY)
The Blues will face Manchester City in the final at Wembley as Sarri, 60, looks to win his first ever trophy as a manager.
"I think expectations at Chelsea are different now, because some of the supporters have been spoilt by success," Gullit added.
"They want more, all of the time, but the competition is immense - which just makes things more difficult for Sarri."