It'd be nice if they could be available before spring training instead of after.  Isnt spring training a kind of "tryout"?  Plus, Id rather throw those guys in instead of using anyone of real value. 

The whole point of spring training is to allow your prospects that might actually turn into good major leaguers to get extra IP and AB, thereby increasing their development.  Another reason for spring training is to allow your older major leaguers to get the playing time they need to temporarily stave off decline.

You're basically saying that, even though the chance of serious injury is very slim, you'd rather bench your good players and prospects the entire spring, stifle the younger prospects' development, and speed up the older players' decline. And just because you have to put warm bodies on the field, you'd prefer to give all the valuable playing time to tryout camp players who are completely worthless and only have a 1-in-a million chance to be better than rookie league level?

This logic doesn't make sense to me.

Me neither. People with this mindset should just leave HBD.

Never did I say "the entire spring". 

Thanks for the kind words jsturgis. 

Ok, even if not for the entire spring, its still a huge waste to give even one at-bat or one pitch to a worthless tryout camp player.

Well, an alternative view would be that you should have a ton of semi-useless career minor leaguers that you can play in ST.   If you don't, you've done something wrong.

There's no way you don't have 10-12 position players and an equal number of pitchers that you'd have to declare "non-prospect".    Play them.   If you don't have 20 players in your minors that don't concern you, you either have the best farm system in HBD or you never sign/promote draftees.   If it's "best farm system", congrats.  If it's the other, yeah, HBD isn't for you.

Why aren't they just put in the FA pool and available anytime?

Why do some of the players in try out camp have pro service time without ever being previously signed let alone ever playing in a pro game?

They played in the HBD Mexican League.

The international free agents play in home country but show up with zero pro service.