49ers finalize Week 5 inactives vs. Seahawks, with Mykel Williams and Upton Stout active

The San Francisco 49ers have finalized their inactive list for Week 5 against the Seattle Seahawks, setting the group that will be eligible to play on gameday at Lumen Field. As in every NFL regular-season game, teams are limited to 48 active players for the contest, meaning the inactive designation has immediate consequences for game-day rotation and matchup planning.

Among the players included on San Francisco’s active list are Mykel Williams and Upton Stout. Their status matters for a 49ers defense that relies on depth to maintain pressure throughout the game, especially when drives extend and offensive coordinators try to wear down pass rush and adjust protection schemes late in contests.

While the inactive list determines who cannot dress for the game, it also indirectly clarifies where the 49ers may concentrate their resources. Inactives can reduce options in specific packages, shift responsibilities to the next man up on special teams, and force coordinated adjustments for substitutions at critical points such as third down, red zone, and two-minute situations.

The Seahawks, preparing an offense built around its own personnel groupings and matchups, will also have clarity on San Francisco’s availability. From Seattle’s perspective, gameday eligibility informs how Seattle can attack, whether by leaning into its preferred formations, testing the edges of the 49ers’ run defense, or targeting specific coverages that align with the defenders who are actually on the field.

For the 49ers, the Week 5 inactives are also a reminder that roster availability changes week to week and can quickly alter the rhythm of both sides of the ball. Defensive starters and rotational players often have different conditioning profiles and snap-count roles. When depth pieces are active, it can stabilize those roles, making it easier to keep defensive pressure consistent without overextending a smaller number of athletes.

San Francisco’s finalized list also sets expectations for how the team will deploy its sideline units once the game clock is moving. Even players not starting immediately can carry responsibility for specific downs or special teams snaps. When a roster is set, coaches can finalize who earns the most meaningful snaps and who serves as the most reliable next adjustment against Seattle’s game plan.