There are a lot of things that NFL teams try to accomplish during training camp.
Get veteran players ready for the grind that is the regular season. Get rookie players acclimated to the NFL. And most importantly, get through all of that without suffering a catastrophic injury.
The Houston Texans have already fallen prey to that last one, with tailback Arian Foster set to undergo surgery Friday to repair a torn groin muscle. At least half of Foster's 2015 campaign, and all of the Texans' chances of contending in the AFC South—gone.