This can be dissected several ways.
As every position will have concerns. Most of them at backups.
Offense:
QB: Dak goes down, does anyone believe Howel or Milton can get the job done.
RB: More so who steps up to be #2, and can he be consistent.
TE: How will the truly be behind Ferguson, and some are not so high even on him.
OL: Many still say Steele and Guyton, will either improve, stay healthy. And yes, it is a concern. Is it as much as some make it out to be?
WR: This is the least concern of any positional group.
Defense:
Too many unknowns with all the changes, both players and coaches
CB: Seems they have some depth on paper. Need to see how they play.
S: This seems it can be a strength for once.
DT: This too, seems to be one of the better positional groups, for once.
MLB: A work in progress, but a much more viable group on paper than last year, who steps up.
OLB / DE: This as well, same as MLB, who steps up, what will the rotation be like. But same, much better than last year.
ST's:
Really no concerns here except KO and PR coverage, can it improve.
Will Turpin be 100%. As I do not believe he was last year.
Coaching:
2nd year under Brian's offense so thing should be more instinctive now.
New defense yet again, however, many are excited over Parker and his new coaching staff.