Week 1 of the NFL season saw several surprising upsets. The Buffalo Bills edged out the Baltimore Ravens in a thrilling 41-40 finish, while the Green Bay Packers defeated the Detroit Lions, suggesting a shift in NFC power. The Los Angeles Chargers also triumphed over the Kansas City Chiefs, marking a potential end to the Chiefs' AFC West dominance. Other notable wins included the Philadelphia Eagles over the Dallas Cowboys and the Denver Broncos over the Tennessee Titans. Several teams underperformed, including the Ravens and Lions, raising questions about their playoff potential.

Prepared by Emily Rhodes and reviewed by editorial team.