The debate of where teams would finish if they competed in a different country's league competition has always been a curious one.
No more so than when the discussion concerns Celtic and Rangers, who have been linked with potentially switching to compete south of the border for many years.
And after the best team in Scotland right now played out a draw against the best team in England, it didn't take long for the conversation to switch to how Celtic would cope in the Premier League.
The English Football League confirmed last week that no Scottish clubs would be considered in any expanded format of the current system in place.
Celtic manager Brendan Rodgers told the press after Wednesday night's epic 3-3 draw with Manchester City that he understands why the notion was blocked.
"There's no doubt Celtic are a major threat to nearly every English club," he said.
"If Celtic were in England, they would be in the top four/top six clubs there.
"If you are another club playing in that league or Championship, or League One, would you want that type of threat coming in? I don't think you'd want it and that's the reality.
"It is going to be difficult for Celtic to be in the English pyramid system because of the sheer scale of the club. Most of our games are packed out now."
Rodgers' prediction is unlikely to be taken too seriously outside of Scotland and many fans of the Premier League would no doubt disagree at Celtic's capability to compete for European places in England.
However, no one can argue Rodgers' men didn't produce a fantastic performance on Wednesday night to take a share of the points against their more established opponents from Manchester.
Pep Guardiola's side were on a ten-match winning run before they travelled up to Parkhead but the Scots brought a halt to the streak after going ahead on three separate occasions.
But doubts still remain whether the Scottish team could reproduce that performance on a weekly basis against the best England has to offer.
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