What happened: Buffalo faces Detroit tonight at the new Highmark Stadium, with Dallas' rough opening stretch and Kansas City's early push also shaping the NFL conversation this week.

Why it matters: Buffalo-Detroit offers an immediate measuring-stick game under the lights. Dallas needs momentum fast, while Kansas City's form is drawing wider attention beyond its own schedule.

What to watch: The first result comes tonight in Buffalo. After that, the next read comes from whether Dallas steadies and whether Kansas City keeps this pace.