Frimpong was singled out by the former Liverpool ace for his defensive weaknesses as he called for a whole new squad to be introduced at Parkhead.
Following the defeat to Rangers, Celtic are 19-points off the pace in the Scottish Premiership.
Adam told the PLZ Football Show that he didn't rate the 20-year-old right-back as they discussed a mass exodus next summer.
He said: "Frimpong, I don’t think he’s good enough.
"Yes, he’s good going forward but defensively I don’t think he’s at the level everybody thinks he is.
"They desperately need a right-winger with James Forrest coming back from an injury and I think he’s been a massive loss to them.
"If you look at the number of players who might want away if they lose Ten In A Row, you’re looking at a brand new team." Read Full Story
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