Kiley McDaniel's 2021 MLB draft stock watch: Which prospects are playing their way into (and out of) the first round?

I have been making the rounds from my home in Atlanta for the past three weeks to watch high school and college games with the 2021 MLB draft now four months away. It's not time to update my initial ranking of the top 50 prospects for this summer's draft just yet, but there are plenty of players making their way up (and down) the first round from what I have seen in my first in-person looks of the season.