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Cowboys' defensive calamity leads NFL Week 1 winners and losers

Week 1 of the 2026 NFL campaign concluded with a series of dramatic developments across the league. A disappointing defensive outing doomed Dallas against the Giants, dampening preseason optimism around the franchise.

Meanwhile, high-powered showings fueled opening victories for Buffalo, Cincinnati, Chicago, and Baltimore, the latter of which posted a 41-23 triumph over Indianapolis behind altered tactical approaches on both sides of the ball. Lamar Jackson and Josh Allen each delivered standout performances under center, in contrast to Deshaun Watson, who faltered during his initial appearance of the year.

The kickoff week proved unforgiving across entire divisions and coaching ranks as well. All four franchises in the NFC South dropped their openers, combining for a winless 0-4 mark to begin the season.

Struggles also mounted for Green Bay and the Chargers following unexpected setbacks, while ten head coaches navigated their first games with new squads on a weekend that included an international excursion to Australia and a replay of the previous Super Bowl.