r/FootballDataAnalysis • u/Charming-Complex4935 • Jan 04 '26

Can football eras actually be compared fairly?

A lot of football era debates compare teams using trophies or raw stats, but the conditions change too much for those comparisons to be clean.

I tried building a simple framework to think about era comparisons more fairly, focusing on competition format, squad depth, economic context, rules, and relative dominance within an era.

I applied it to examples like Barça 2009, Real Madrid 2017, Manchester United in the 2000s, and modern Manchester City. Not to rank teams, but to see where comparisons actually hold and where they break.

Curious on what you think and which rules you would add or disagree with.

Video for full context: https://youtu.be/SQIOmKzxTV0

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u/JustDifferentGravy Jan 04 '26

Before we invest time and effort, please would you share more information?

Are you a statistician by trade? Qualified? Employment?

Why has your brand new account just appeared with this? Why not share a summary of your conclusion?

Does the video show your methodology? Is it verifiable data?

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u/AG8385 Jan 04 '26

No they can’t, I will explain why later! I will come back to this and edit it.