Abel is a disappointment, no progress at all this season.
Crawford is on schedule, he's only 20 in high A, he'll be 22 in AAA if he goes year by year, by that point they should have fixed his swing mechanics and he should add 10+ lbs of muscle to his frame. Perfect timing to replace Castellanos, with Rojas and Crawford in the OF, they could play a slug in LF. With Marsh, that could be the best defensive OF in baseball.
Miller is going to be a stud, gambled on his recovery from the wrist injury and won. Not sure he'll stay at SS, but it should translate to plus fielding at 3B, and an emergency option at SS if needed. Tough question, do you give Bohm a big extension or look to trade him in 2-3 years? Probably depends on how fast Miller moves up the ladder, he'll be a big improvement defensively, so they can live with offensive struggles as a rookie.