Joe Nicholson-Imagn Images
Oct 11, 2026 12:00 PM
Brock Purdy faces a fierce playoff rematch as the undefeated 49ers enter Seattle’s hostile territory, risking their division lead against a stingy Seahawks defense in this underdog battle.
The 4-0 San Francisco 49ers hit the road for the first time in three weeks, heading up to Lumen Field on Sunday for a heavyweight NFC West battle against the 3-1 Seattle Seahawks.
Despite sitting atop the division and holding the NFL’s best point differential (+58), the 49ers enter the matchup in a rare spot, for the first time since Week 1 San Francisco is not the favored team coming into the weekend.
This Week 5 showdown represents the first meeting between the bitter rivals since Seattle ended San Francisco’s 2025 campaign in the divisional round of the playoffs, a game that added insult to injury following Seattle’s Week 18 victory to snatch the conference’s top seed.
Key Game Details
- Matchup: San Francisco 49ers (4-0) at Seattle Seahawks (3-1)
- Date & Time: Sunday, Oct. 11, at 4:25 p.m. ET / 1:25 p.m. PT
- Location: Lumen Field — Seattle, Washington
- TV Broadcast: FOX
Explosive 49ers Offense vs. Elite Seattle Defense
Through four weeks, Kyle Shanahan's offense has undergone a dramatic transformation compared to last season. A year ago, San Francisco's offense generated -0.04 Expected Points Added (EPA) per play through four games. In 2026, the 49ers lead the NFL with 0.25 EPA per play and a league-best 53.1% success rate.
A major reason for that jump is pass protection. San Francisco’s offensive line has permitted zero sacks on Brock Purdy through four games becoming the first team to pull off that feat since the 2005 Indianapolis Colts. Purdy has thrown for 1,007 yards with 11 touchdowns and just one interception, operating at an early MVP-caliber level.
Furthermore, San Francisco enters Sunday far healthier (shocking, I know) at key skill positions than they were in last year's playoff battle. All-Pro tackle Trent Williams and tight end George Kittle are both back on the field, while veteran wideout Mike Evans brings a downfield threat after playing through a rib injury in Week 4.
However, head coach Mike Macdonald's Seahawks defense remains one of the league's stingiest units. Seattle ranks second in EPA per play allowed and success rate, tied for the league lead with six interceptions while allowing the second-fewest yards before contact up front.
Banged-Up Depth Charts
Both rosters face heavy attrition heading into Sunday's kickoff:
- San Francisco: The 49ers will be without Pro Bowl fullback Kyle Juszczyk (knee) and starting safety Marques Sigle (high ankle sprain), while edge rusher Nick Bosa remains sidelined. Nickel cornerback Upton Stout (AC joint) is day-to-day.
- Seattle: The Seahawks' backfield is severely depleted following the free-agency exit of Kenneth Walker III and injuries to their secondary rushing depth, placing increased pressure on quarterback Sam Darnold and star receiver Jaxon Smith-Njigba (481 yards, 6 TDs).
Expert Predictions & National Consensus
National analysts expect a tight, physical divisional contest that could go down to the final drive:
- Adam Kaufman: 49ers 27, Seahawks 24 — "San Francisco keeps winning, even as it loses important players. I trust Kyle Shanahan to find enough answers and Brock Purdy to execute them... Expecting a tight divisional game that comes down to the final possession."
- Michael Middlehurst-Schwartz: 49ers 24, Seahawks 17 — "San Francisco looks well situated to pick apart Seattle's defense with quick hits. The Seahawks shouldn't expect much from their shorthanded rushing attack, so the pressure will be on Jaxon Smith-Njigba."
- Blake Schuster: Seahawks 24, 49ers 21 — "Both teams are already pretty beat up, but that rarely stops this division rivalry from producing a classic. Give me the Seahawks, but just barely, driven by homefield advantage at Lumen Field."
The Bottom Line
If the 49ers win in Seattle, they will build a two game lead in the NFC West and take a commanding 3-0 record in divisional play. If Seattle holds home field, the NFC West drops into a multi-team battle atop the standings.
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