The Kansas City Chiefs enter the 2026 NFL season under intense scrutiny after a disastrous 2025 campaign in which they went 6–11 and missed the playoffs for the first time since 2014, a collapse capped by quarterback Patrick Mahomes suffering a season-ending ACL tear in Week 15. The team's fortunes this year hinge largely on Mahomes' recovery and availability, with bettors and analysts split on whether last season was a temporary setback or the beginning of a genuine decline for the once-dominant dynasty.

In the offseason, Kansas City bolstered its offence by signing running back Kenneth Walker III, re-signing tight end Travis Kelce on a three-year extension, and extending Mahomes' contract through to 2033, while also adding defensive depth including safety Alohi Gilman and cornerbacks Kader Kohou and Kaiir Elam. However, the team lost key defensive pieces, notably cornerback Trent McDuffie, traded to the Los Angeles Rams, and safety Bryan Cook, who signed with Cincinnati. Bookmakers have set the Chiefs' win total at 10.5 games, with betting analysis suggesting the under is the safer play given Mahomes' injury recovery, defensive uncertainty, and a strengthened AFC West division featuring improved Chargers and Broncos sides.