Coaches have never said anything to us in advance of what admissions tells them. I’m not sure I’d trust a coach who did. As has often been said on the site, admissions offices admit and coaches coach (and recruit).
While the extra stuff—recs, essays— may be critical for some regular, non athletic admits, baseball IS the extra stuff for our boys. That’s oversimplifying it but you get the idea. That doesn’t mean a kid can just sleepwalk through the rest of the app. The rest needs to be done well but it’s not gonna likely be a gamechanger.