Today, the Kansas City Chiefs officially announce the start of the 2026 Season Kickoff, a month-long celebration that brings together fans, players, partners, and the community as Chiefs Kingdom gears up for the return of football. "The start of football season always brings a special energy to Kansas City," said Chiefs President Mark Donovan. August 28 – Preseason Game Seattle Seahawks vs. Kansas City Chiefs on KSHB 41: On Friday, August 28, the Chiefs will host the Seattle Seahawks for the club's preseason finale. September 14 – Home Opener: Denver Broncos vs. Kansas City Chiefs (Monday Night Football) on EPSN and ABC: The 2026 regular season opens at home as the Chiefs host the Broncos under the lights on Monday Night Football. Through community outreach, charitable initiatives, and unforgettable gameday moments, the 2026 Season Kickoff celebrates everything that makes Chiefs Kingdom so special.