Training camp is all about the unknown. It's all about the late-rounders, the undrafted and the ones who don't have a chance.
It's all about Arian Foster stepping up and showing the world that yes, he can be a starter in the NFL. That he can be a superstar, regardless of the fact that he wasn't drafted.
This is the time of the year where the underdogs get chances to make names for themselves. These underdogs find themselves on the roster bubble, where they must play extraordinarily well during training camp to be awarded a spot on the final roster.
Who's on the Houston Texans' bubble. Read on, and find out.