I don't think there are gaping holes. Every starter should be competent. Just don't have much elite talent anywhere, especially on offense. As others have stated my biggest concern is oline. Robinson-Norwell-Linder-Cann-Taylor is okay. Hopefully Robinson improves now being two years off injury. Don't have high hopes cuz even Boselli who usually talks glowingly of the lineman said that Robinson didnt improve upon the thing he should have unrelated to injury. footwork, etc... Taylor hopefully takes a big step. First three off the bench in the event of injury are Shatley, Richardson, and Bartch. There was that brief glimmer last year that Richardson had elevated his game and would become a clear starter but that never materialized. Shatley is a nice swing backup but that is his ceiling. No idea with Bartch. On paper sounds like he has a lot of potential and there are legit reasons to think he could be a solid player(footwork, attitude, etc..), but relying on high potential midrounder as key backup and future starter isnt what I would call overly promising. The oline is average at best in my opinion and one or two injuries away from real problem.
I think TE is another concern. Just too many unknowns. Eifert could be a very solid to good player if healthy. Oliver we have no idea and have to hope he is healthy. Offense felt like it took a dip when Shaughnessey went out but I wouldnt call him a real threat. Jones sounds like a great blocker. And the rookie is a total project. Seems like a project worth developing but nonetheless a total project. If Eifert is healthy and Oliver lives up to his receiving potential, this could be a pretty solid unit. But it's also a nagging injury or two away from becoming a gaping hole like last year.
I dont love the RB situation. Fournette is just a guy and totally dependent on the blocking in front of him. I hope we dont force feed him the ball like we did last year. He doesnt do enough with the touches that he gets so why give him more. Armstead and Ozigbe don't scream elite but seem competent as backups. Would like to see them get more touches than last year. One of the biggest disappointments in the draft though is that we didnt come away with a mid round RB. Would love to have seen us get true change of pace RB we could swing out of the backfield.
Even without Yannick, I think this defense could be better than last year. Obviously we invested a ton. Safety could be a potential hole but otherwise feel like we should have a middle of the pack defense at worst. Run defense should be better. Think our pass rush will improve with Allen getting more snaps and Chaisson on the other side.
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Scouting well is all that matters. Draft philosophy is all fluff.