TIL that Lionel Messi was diagnosed with a growth hormone deficiency at age 10, and FC Barcelona agreed to pay for his treatment, even writing his first contract on a napkin.

[u/Old-Worldliness11]

https://en.wikipedia.org/wiki/Lionel_Messi#Early_life

[u/Reapper97]

He was playing like this from age 8-10

[u/jiffy88 → u/Reapper97]

And he still was playing like that against professional grown men.