49ers vs. Seahawks: NFC West Rivalry Kicks Off the 2025 Season with High Stakes The NFC West is always a powder keg of competition, and no matchup embodies that intensity quite like the San Francisco 49ers facing off against the Seattle Seahawks. As the 2025 NFL season gets underway today, September 7, all eyes are on Lumen Field in Seattle, where the Seahawks host the 49ers in a Week 1 clash...