A radical idea being considered by FIFA could have a major impact on how clubs operate — and it may not suit Arne Slot or Liverpool FC at all.
According to Martyn Ziegler, clubs could be required to have at least one homegrown under-21 player on the pitch at all times. Variations of the proposal could even lower that to under-20 level.
A seismic rule change
If introduced, this wouldn’t be a minor tweak — it would fundamentally change:
- Team selection
- Substitution strategies
- Transfer policies
- Squad building
Managers would need to think differently, not just about who starts — but who finishes games.
A problem for Liverpool?
For Liverpool, this rule would raise immediate concerns.
This season, the club have included an English U21 player in just two Premier League starting line-ups — a clear sign that youth hasn’t been a major part of the first-team picture.
That approach could quickly become unsustainable under FIFA’s proposal.
Slot’s reluctance with youth
A rule like this would shine a spotlight on Slot’s current approach.
Fair or not, there’s a growing perception that he:
- Prefers trusted senior players
- Is cautious about giving youngsters minutes
- Prioritises experience over development
If the rule comes into force, that mindset may have to change — quickly.
Forced opportunities
On the flip side, it could open doors.
Young players would:
- Gain guaranteed exposure
- Be trusted in key moments
- Become essential, not optional
Clubs with strong academies could benefit — but only if managers are willing to embrace it.
Tactical headache
It’s not just about starting a youngster.
Managers would need to:
- Keep one on the pitch at all times
- Plan substitutions carefully
- Avoid being forced into tactical compromises
That adds a whole new layer of complexity.
Final thought
This proposal could reshape modern football.
For Liverpool, it might mean a shift in philosophy.
And for Arne Slot, it could be a challenge — one that forces him to do something he’s so far been reluctant to do:
Trust the next generation.
Jamie (The Kopite View)

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