What happened: Kansas City used Thursday to celebrate a first-year member of Chiefs Kingdom with a birthday post, underscoring that fresh pieces are still settling into the roster. The team is doing that under massive attention after its Week 1 opener averaged 23.2 million viewers.

Why it matters: That spotlight is exactly why the Chiefs should be judged harder than their aura suggests. When a team lives at the center of the sport, every newcomer has to help immediately, and until that shows up on the field, brand power alone should not make Kansas City untouchable.