Training camp is often the last thing an NFL player sees in his career.
After weeks of early mornings, two-a-day practices, playbook study sessions and preseason games, 37 players will be purged from the Detroit Lions roster. The 90-man training-camp roster will be pared down to the 53-man regular-season roster, and some of those 37 players will have experienced their final moments on an NFL squad.
Of course, undrafted rookies are faced with this reality every single year. They at least have the solace of making it on to practice squads.
For these players, there is no such safety net. They have played for long enough now that the practice squad is no longer an option, and the issue of "upside" is nowhere near as enticing as it once was. Now the only options for these guys are to play well enough to earn a roster spot or go home and wait for a phone call from a different team.
These players can all absolutely play well enough to make the roster, but they're facing competition, and what they do in the month of August will largely determine whether they're even able to do more in September.