He expressed confidence that Diomande would immediately command a starting role and offer a high goalscoring threat compared to alternative options.
"Diomande would 100 per cent get straight in the team and it looks like he would score more goals than Barcola."
Regardless of the final destination, the retired striker noted that securing such a young talent represents a significant financial gamble for any elite side.
"Either way, Liverpool will get one of the two players but PSG will want the 19-year-old.
It's like Jadon Sancho, United paid 75mil for him, if he comes over and it doesn't work, it's a big risk," said Agbonlahor.
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Off the field, Diomande's global profile continues to rise after he recently joined the Roc Nation Sports agency, which is currently facing a legal dispute from his previous representatives, Maxidel Management.