Here is the first episode of a documentary called “Playing For Peanuts” which chronicled life of an independent minor league baseball team called the South Georgia Peanuts. They played in the South Coast League which lasted one season (2007).
If you want some exposure as to what you will be experiencing if you make it on a lower-level independent pro baseball team then this may give you a decent glimpse:
Become aware of upcoming tryouts by joining the notification service here: Independent Minor League Pro Baseball Tryouts
If you need some help increasing your 60 yard dash speed times, arm velocity, vertical leap ability, hitting power or improve your muscle mass for any professional baseball tryout (or private workout) then here are some resources to help you: Resources for improving your chances at any pro baseball tryouts