QUIZ: Can you name the Mayo star from their younger photos?
They've changed a lot.
If there's any set of fans that know their players from their baby photos, it's more than likely the Mayo ones.
We've collected some photos of the players who will play in Sunday's All-Ireland final as babies and some from their younger playing days.
See how well you know them players here.
The GAA Hour
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Ireland's number one football and hurling podcast, exclusively from SportsJOE.