One unknown as a result of the coronavirus pandemic has been sorted, at the very least. Tokyo's 2020 Olympics will be postponed by a full year to July 23-August 8 of 2021, giving all involved a clear path for how to proceed. Nevertheless, the postponement's consequences have spawned a number of human interest stories and a wide web of knock-on effects, and one of the more unique dominoes yet to fall is what happens with the men's soccer tournament.
Being an under-23 competition (with the absurd three overage player exceptions per team, but more on that later), the roster construction for qualifying nations is intrinsically tied to a birthday cutoff date.