Every year, some injuries end NFL seasons before they begin. Others can put a player's ability to start Week 1 in serious doubt.
2014 is, unfortunately, following suit.
So far this offseason, a number of significant health concerns have popped up on the newswire. Regrettably, they will probably continue to do so.
Whether an injury ends a player's season outright, threatens his availability for training camp or lies somewhere in between, offseason injuries—as well as late-season injuries from the preceding year—continue to affect NFL teams across the league.
Let's take a look at a few, broken down and ranked—very roughly—into green-, yellow- and red-flag medical issues.
Please note this list is not comprehensive. More injuries will be covered throughout the offseason.