For a young roster, the hardest part is not always talent. It is availability, timing and how quickly the next player can step into a role that keeps shifting. That is the situation facing the Dolphins heading into Sunday’s game against Kansas City, with Jeff Hafley confirming that Caleb Douglas will not play and that Miami may be forced to keep adjusting on the fly.
The injury update matters because it is not just about one player. Ryan Miller is expected to practice Friday after dealing with foot and back issues, while JuJu Brents is also expected to practice. Jaylen Wright, meanwhile, is doubtful for Sunday. Put together, that is the kind of uncertainty that can change how a depth chart looks before the first snap is even taken.
What the Dolphins are dealing with
Hafley’s message was less about panic than preparation. Miami has been working through a developmental 7-on-7 period after practice for players who are not getting enough regular reps, which says plenty about where this group is right now. The Dolphins are trying to develop cohesion while also making sure younger players understand where they fit if injuries force the lineup to change.
That is why the loss of Douglas matters beyond Sunday alone. When a team is still learning how to work together, every missing rep has a ripple effect. Someone else has to absorb the work, someone else has to take the timing reps, and someone else has to be ready when the offense needs a different answer.
Hafley put that idea plainly: the Dolphins need to develop because they are going to need these new guys entering different positions as they go. That is not just a coaching slogan. It is the reality of building a roster with new parts and then asking it to hold up against Kansas City.
What to watch Sunday
The immediate question is simple: Will Caleb Douglas play Sunday against Kansas City? The answer is no. The next question is which Dolphins can take the available reps and keep the offense moving if Wright does not go and Miller’s practice time is limited by his injury history.
That is where depth charts become more than a list. They become a test of how quickly a young team can make role changes without losing structure. Miami does not need perfect health to compete, but it does need enough reliability to avoid turning every injury report into a reset.
Sunday will show whether the Dolphins’ depth is merely theoretical or actually functional. In a week defined by injuries, the real story is not just who is out. It is who is ready to step in when the depth chart gets called into action.







