Broncos Will Face 49ers This Sunday in San Francisco

The undefeated San Francisco 49ers host the Denver Broncos on October 4, 2026, for a Week 4 matchup.

Updated on Oct. 3, 2026 in Football

Expressive sports illustration in scarlet, gold, orange, and navy, depicting two football players in mid-action motion during an NFL game. — The San Francisco 49ers host the Denver Broncos this Sunday at Levi's Stadium, with the 49ers looking to maintain their undefeated start to the 2026 NFL season. AI Illustration. Upload story photo >

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The San Francisco 49ers and the Denver Broncos are set to face off this Sunday afternoon on October 4, 2026. The 49ers enter the contest maintaining an unblemished 3-0 record for the 2026 season.

Why it matters

This matchup highlights the growth of young quarterbacks, featuring 2022 draft selection Brock Purdy against 2024 first-round pick Bo Nix. Nix aims to maintain his momentum following two come-from-behind victories earlier this season.

Bo Nix was selected 12th overall in the 2024 NFL draft and has already secured two come-from-behind wins. The San Francisco 49ers hold a 3-0 record heading into the game, which kicks off at 2:25.

The players

Brock Purdy

He is the starting quarterback for the San Francisco 49ers who rose to prominence after injuries to teammates Jimmy Garoppolo and Trey Lance.

Bo Nix

He is the starting quarterback for the Denver Broncos who was selected 12th overall in the 2024 NFL draft.

The details

The game features a significant test for Bo Nix, who earned his starting position through a preseason battle. Brock Purdy remains the anchor for the 49ers after previously leading the franchise to a Super Bowl appearance.

Brock Purdy was selected in the 2022 NFL draft.
Bo Nix was selected 12th overall in the 2024 NFL draft.
The Broncos play the 49ers on Sunday afternoon, October 4, 2026.

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Season Trajectory

This game marks a pivotal moment for both franchises as they adjust to shifting power dynamics in the conference. The result will influence the playoff positioning for both the Broncos and the 49ers as the season reaches its first quarter.

The game provides a key test for Bo Nixs ability to lead a comeback against a 3-0 opponent, directly impacting the AFC standings. Fans should monitor the rotation, as the 49ers look to maintain their undefeated start under Purdy.

The takeaway

Understanding how young quarterbacks navigate early-season adversity offers a window into which teams are prepared for long-term playoff runs. Monitoring these early contests allows viewers to gauge which rising stars are most likely to sustain their success through the winter months.