Simon Jordan says Wayne Rooney needs to grow up having ignored the Manchester United legend's call following his criticism.
Rooney parted ways with Derby after they suffered relegation to League One at the end of the 2022-23 season.
The Rams were deducted 21 points for historical financial mismanagement, which ultimately cost them their place in the Championship.
Jordan previously lambasted the former England international after his departure, insisting it would be difficult for him to get another top job.
Rooney, now in charge of MLS side DC United, has been linked with a return to England, taking over from John Eustace at Birmingham.
Speaking on talkSPORT, Jordan couldn't help but offer a brutal takedown of the Liverpudlian.
«He let himself down, his behaviour at Derby, it is no good falling asleep in a hotel room, drunk, with some random person in the room with you, is it?» he said on White and Jordan.
«That is not the example of a manager. He is still very young, I mean I am not suggesting he is not old enough to know the difference.
»He is still 37. If you look at his body of work, it is unimpressive.
«I know the Derby situation, they will say people held it together, and ultimately, he worked in very difficult conditions, and I get that.
»Go and look at his record at DC [United], I mean, what are you going to do with a 27 per cent win record?
«Where is that going to get you? I tell you where it will get you, relegated in whatever division you're in.
talkSPORT co-host White revealed he copped for Jordan's comments from Rooney when watching Derby, the former Crystal Palace owner once labelling Rooney 'a fool'.
»He should grow up then," Jordan replied.
«The problem is too many people in society can take praise, but they can't takeRead on talksport.com