Summary
Game recap from the 49ers’ perspective. San Francisco won the 2025 season opener 17-13 in Seattle. Nick Bosa sealed the game with a sack-fumble on Sam Darnold’s final drive. The Seahawks’ new-look offense (with Darnold replacing Geno Smith) struggled in its debut.
Key Points
- Final: 49ers 17, Seahawks 13 at Lumen Field
- 49ers opened with a 95-yard TD drive; Nick Bosa sealed the win with a sack-fumble in the final two minutes
- Darnold’s Seahawks debut: sacked on the final play, fumble recovered by Bosa
- San Francisco’s Christian McCaffrey: 22 carries, 69 yards + 73 receiving yards
- A Week 1 loss that the Seahawks would later reverse dramatically (dominated SF 13-3 in Week 18 for the #1 NFC seed)
Newsletter Angles
- Context piece: establishing the early-season vulnerability that makes the Seahawks’ final-week 14-win dominance more remarkable
Entities Mentioned
- Seattle Seahawks — lost opener
- Sam Darnold — Seahawks debut; sacked on final play
Notes
Lightweight. Written from 49ers POV. Useful only for season-arc context — the Seahawks started 0-1 against SF and finished by dominating them 13-3 in Week 18 for home-field advantage.