The training camp injuries start with Jeremy Maclin and Dennis Pitta
The obvious exception to this is training camp injuries, especially severe ones. Unfortunately, the first two big injuries of the year happened yesterday. The first was Eagles WR Jeremy Maclin, who was carted off the field with a knee injury. That injury turned out to be an ACL tear. Presumably that ends Maclin's season before it begins. It's a big blow for the Eagles and their new offense under coach Chip Kelly. Maclin was actually their leader in catches last year. While they still have DeSean Jackson, the slack on the other side of the lineup will have to be filled by some combination of Jason Avant, Riley Cooper, or Arrelious Benn.
The other big injury happened to Ravens TE Dennis Pitta, who dislocated his hip. He's out indefinitely. Last season, Pitta took over as the primary receiving tight end for Baltimore, providing an important wrinkle to the Ravens offense in their Super Bowl run. With Pitta out, it's up to Ed Dickson now. Dickson was just as highly regarded as Pitta going into last season before the latter beat him out. Dickson has no choice but to step up now.
In a league where how healthy a team is late in the season means show up, suffering huge injuries as early as July is a huge blow. We'll see how the Eagles and Ravens bounce back. Their only comfort is they won't be the only teams that will have this problem this summer.