Through the opening two weeks of the NFL regular season, only a quarter of teams remain undefeated, highlighting how early success can signal potential for continued achievement but doesn't guarantee it. Since the league expanded to a 17-game schedule and increased playoff slots to 14 in 2020, 39 out of 52 teams that started 2-0 advanced to the postseason. However, the trend did not hold as strongly last year, with only six of ten such teams making the playoffs. Examples include the Indianapolis Colts and Tampa Bay Buccaneers, who both began strongly but faded in later weeks, and the Arizona Cardinals, who won just once in their final 15 games after a 2-0 start.

The value of a 2-0 record, however, varies considerably depending on the quality of opponents faced and the strength of a team’s overall roster and strategy. Among the undefeated teams this season, the Buffalo Bills and Seattle Seahawks stand out as having the most credible claims to sustained success.

Buffalo, led by quarterback Josh Allen in his ninth year, has experienced early strong starts before. This season marks the first under head coach Joe Brady, and the Bills’ offense projects as the most aggressive and productive in the league. Allen, fresh from a league MVP campaign in 2024, has elevated his performance, benefiting from a potent rushing attack and a robust offensive line that ranked first in rushing last season. Despite surrendering over 30 points in both opening games—a rare and potentially troubling pattern—Buffalo’s defensive coordinator Jim Leonhard acknowledges the defense currently operates in a volatile “boom-or-bust” manner that is unlikely to be sustainable. Nonetheless, young defenders like edge rusher Greg Rousseau and defensive tackle Deone Walker are generating enough pressure up front to help stabilize the unit. This combination of offensive potency and evolving defense positions the Bills as a serious contender.

The Seattle Seahawks, defending Super Bowl champions, have also started 2-0 despite preseason skepticism about their ability to repeat. Their offense remains efficient, heavily supported by wide receiver Jaxon Smith-Njigba, the NFL’s leading receiver with 277 yards in two games, who has provided reliable production for backup quarterback Drew Lock. Defensively, coordinator Mike Macdonald’s group continues to excel, allowing the fewest yards per play (3.8) and consistently limiting explosive plays. The Seahawks have managed these results despite injury setbacks, including quarterback Sam Darnold’s brief appearance before sidelining and limited action for defensive back Nick Emmanwori. With these players potentially returning to full health, and under the direction of first-year offensive coordinator Brian Fleury, Seattle may improve further and remain a formidable challenger in the season ahead.

As other franchises with 2-0 records face uncertainty and uneven schedules, Buffalo and Seattle underscore how early victories can reflect underlying strength but also expose challenges that must be addressed to maintain momentum through the full NFL season.