It is a well-accepted axiom in the NFL preseason that the key is not performance, it's health.
Don't lose a major contributor.
Several teams failed in their mission this summer, although a few of them should be able to survive the loss (or losses). Others must be wondering if it pays to have regulars see the field at all before September.
Here's a team-by-team look at significant injuries or, in a few cases, who avoided being damaged.
AFC EAST
NEW ENGLAND — As loaded as they appear to be, losing WR Julian Edelman (knee) for the season was a blow for the Patriots.