Every team has the obvious cornerstone players, big free agent signings, and even draft picks that everyone will have an eye on. What allows a good team to withstand the marathon of a season is depth. Injuries are and always will be apart of the game. You can have great players at each position, however, as Chargers fans know all too well, if you lack talent in your depth, it will catch up to you.
I won't argue that the number of injuries that piled up the last few years has been absurd. From what I've seen in the five practices I've attended, I’ll give you the names I think are most interesting to watch and that I think will be pivotal in adding the depth that could make the difference this season.