Looks like he was in the Mexican league this year, don't know if he's still active or not. https://www.baseball-reference.com/register/player.fcgi?id=remill000zac
It definitely seems like the 78 site is getting prepped, saw people surveying out there last week and the storage are near the bridge seems like its being disassembled. Obviously that's the spot where the Fire stadium is set to be, but there's definitely some movement going on there.
So the Rockies will still occupy whatever slot they have, although they'll get skipped wherever they're drawn since they can't pick higher than 10. The Sox actually drew the 6th slot for the 2025 draft, but were ineligible there bc of the rules.
Here's a snippet of the explanation with the link for the full article https://www.google.com/amp/s/www.mlb.com/amp/news/mlb-2025-draft-lottery-results.html