Roy Keane and Ian Wright were embroiled in a heated exchange as the duo clashed over Crystal Palace's recent dismantling of Manchester United.
A Michael Olise brace, topped off by some outstanding goals from Jean-Philippe Mateta and Tyrick Mitchell, left the Red Devils shame-faced after a 4-0 defeat.
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And on the latest episode of Stick to Football, former Palace striker Wright was eager to discuss how the bosses of the two clubs made for an interesting comparison.
He sparked the discussion by reflecting upon his scepticism around current United boss Erik ten Hag's ability to change things at the club.
The Arsenal legend said: "I'm looking at [Ten Hag] thinking what more is he going to do? I just mentioned Oliver Glasner, 13 games, look at how Palace have changed. Palace have just changed their manager. How can it take so long [for Ten Hag]?”
But his comments quickly riled up his colleague and Old Trafford icon Keane, who immediately jumped into the conversation.
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He retorted sharply: "Are you comparing Crystal Palace to Man United? Where are Palace in the league? Palace are on a good little run at home."
Wright attempted to explain further: "But Palace just changed their manager 13 games ago."
Keane cut in once again: "So Palace have got all the answers then? Do you know why they're doing well, Palace? Because two of their best players are playing. They've got two very good players playing. They're 14th in the league, so don't get all excited about Palace."
"It's got nothing to do with getting excited about Crystal Palace," replied Wright, as the discussion became more and more heated.
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He went on: "Why I am excited about Palace is that their manager is changing things for them."
He added: "We're talking about Adam Wharton and [Will] Hughes now playing great football, passing it through. They've got a structure of play."
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But Keane then interrupted by asking about Palace's current 14th place spot in the Premier League table.
He was swiftly met with Wright's fervent reply: "I'm not bothered where they are!"
Keane cheekily replied: "You're not bothered where they are! It's pretty important where you are in the league table."
Wright was visibly frustrated with the sarcasm and he hit back by calling the Irishman's comments 'facetious' - something Keane strongly denied.
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"Palace are the team that just absolutely f***ing hammered United!" Wright reminded everyone.
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In the end, it took former Lioness Jill Scott to step in and calm things down.
She told the pair: "Now now, let's shake hands and make up."
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While Keane and Wright may have suspended their debate for now, their former teams will be taking up the rivalry on Sunday 12 May.
Manchester United host Arsenal at Old Trafford from 4:30pm in a match which the Gunners know could be crucial for their title hopes.