San Francisco 49ers Projected to Beat Denver Broncos — Preview & Odds

Matchup Analysis SportsFBI AI

The undefeated San Francisco 49ers (3-0) welcome the Denver Broncos (2-1), currently on a two-game winning streak, to Levi's Stadium for their Week 4 contest. San Francisco has shown a strong start, outscoring opponents 98-50 through three games. Denver could contend with multiple offensive absences, as running back J.K. Dobbins and wide receivers Marvin Mims Jr. and Jaylen Waddle are listed as Questionable, while Tyler Badie (RB) and Kage Casey (OT) are Inactive. For the 49ers, linebackers Jaden Dugger and Dre Greenlaw, wide receiver Mike Evans, defensive tackle Gracen Halton, and fullback Kyle Juszczyk are all designated Questionable. Ideal passing conditions and low kicking difficulty are expected at kickoff.

SportsFBI's analytical model projects the San Francisco 49ers to win with 69% confidence, a lean primarily driven by their home-field advantage and starting quarterback efficiency, both carrying the heaviest weight in the model and favoring San Francisco. The 49ers also benefit from stronger record quality, run-game matchup, and explosive-play differential in the analytics. While Denver receives some analytical favor from schedule strength and key injury availability, these factors are less prominent in the overall projection. The betting market similarly aligns with SportsFBI's directional lean, pricing the 49ers at -142 on the moneyline, which implies approximately a 56% chance of victory.

Further underscoring the confidence in San Francisco's offense, SportsFBI's player props model leans toward Brock Purdy exceeding 1.5 passing touchdowns, directly complementing the model's reliance on the 49ers' starting quarterback efficiency for the overall game projection.

SportsFBI Model

Projects San Francisco 49ers to win — 70% confidence

Market agrees (+8pp) Projected score:SF 27 · DEN 21 Blowout chance (14+ margin): 31%

⚖️ Game Edges

Key factors driving this matchup

SFH Home field / environment +1.0 Moderate

SF home field | SF 7 days / DEN 7 days

SFH Starting QB efficiency +0.96 Moderate

Brock Purdy (2026) 72.3% CMP / 9.5 Y/A / 10.8% TD / 1.2% INT / 133.1 RATE · Bo Nix (2026) 60.2% CMP / 6.5 Y/A / 4.3% TD / 3.2% INT / 80.3 RATE

SFH Run-game matchup +0.52 Moderate

SF 4.8 rush Y/A / 3.7 allowed | DEN 3.6 / 4.8 | PBP 84% stuff avoided | 79% stuff avoided

SFH Record quality +0.50 Moderate

SF 3-0 · DEN 2-1

DENA Schedule strength +0.50 Very Strong

SF 25% opp wins · DEN 75%

SFH Explosive-play differential +0.50 Moderate

7% / 2% allowed | 5% / 7% allowed

SFH Early-down efficiency +0.39 Weak

54% / 44% allowed | 40% / 43% allowed

DENA Game-script tendencies +0.37 Moderate

58% neutral pass / 56 plays | 63% / 53

SFH Raw scoring differential +0.31 Moderate

SF 30.5 PPG · DEN 18.5 PPG | SF 16.0 PA/G · DEN 23.5 PA/G

SFH Third-down efficiency +0.20 Weak

SF OFF 57.5% / DEF 44.1% | DEN 39.6% / 47.5% | PBP 67%/58%/57% | 62%/27%/25%

SFH Recent form +0.15 Weak

SF W3 · DEN W2

SFH Red-zone TD efficiency +0.08 Weak

100% / 40% allowed | 60% / 45% allowed

DENA Special teams efficiency +0.07 Weak

SF FG 66.7% / NET PUNT 45.6 | DEN 71.4% / 47.4

DENA Pass defense +0.06 Weak

SF 5.5 net Y/A / 64.8% CMP / 87.1 RATE | DEN 6.2 / 57.4% / 81.3

DENA OL vs DL matchup +0.03 Weak

SF OL sack 0.0% / DEF sack 4.0% | DEN 3.6% / 5.4%

SFH Turnover differential +0.02 Weak

SF 0.5 GIVE / 0.8 TAKE | DEN 1.3 / 1.0

Betting Lines DraftKings

Spread

DEN +7.5 (-115)

SF -7.5 (-114)

Total (O/U)

Over 40.5 (-116)

Under 40.5 (-114)

Moneyline

DEN +600

SF -1100

🔍 Key Suspects Top 4 Preview

Top betting prop targets identified by the BlowOutAlert engine for this matchup. Full rankings, evidence breakdowns, and Hit Rate history are in the workspace.

DEN — Away