Brock Purdy Brock Purdy
Justin Herbert Justin Herbert
SF 8:15 PM ET LAC

NFL Β· MATCHUP INTELLIGENCE

December 17, 2026 Β· 8:15 PM ET

49ers vs Chargers

SoFi Stadium

SF 6-0 Β· LAC 0-6

Matchup Analysis Automated Analysis

San Francisco 49ers face Los Angeles Chargers in Week 15 at SoFi Stadium. This early analysis uses the available pregame data; injury reports and market prices can still change before kickoff.

San Francisco 49ers enter with a 6-0 record across 6 completed games in this competition phase. They average 29.5 points scored and 18.3 allowed. Their current streak is 6 wins.

Los Angeles Chargers enter with a 0-6 record across 6 completed games in this competition phase. They average 15.0 points scored and 25.2 allowed. Their current streak is 6 losses.

The scoring matchup puts San Francisco 49ers’s 29.5 points per game against a Los Angeles Chargers defense allowing 25.2. In the other direction, Los Angeles Chargers average 15.0 against San Francisco 49ers’s 18.3 allowed. These season averages provide a broad view of offensive production and defensive results; they do not adjust for opponent strength or establish a specific passing or rushing advantage.

San Francisco 49ers have injury designations to monitor: Nick Bosa (DE) β€” Questionable; Mike Evans (WR) β€” Questionable; Marques Sigle (S) β€” Questionable. These designations do not confirm who will start.

Los Angeles Chargers have injury designations to monitor: Joe Alt (OT) β€” Questionable; Kayode Awosika (G) β€” Questionable; Tre' Harris (WR) β€” Questionable. These designations do not confirm who will start.

The strongest model adjustments toward Los Angeles Chargers are Home field / environment; Schedule strength.

The strongest model adjustments toward San Francisco 49ers are Starting QB efficiency; Record quality.

The current model leans toward SF at 63.0% estimated win probability. This is a provisional model estimate, not a calibrated guarantee.

  • 🏈 Record: San Francisco 49ers 6-0
  • 🏈 Record: Los Angeles Chargers 0-6

Automated analysis β€” full AI preview generates about an hour before kickoff.

SportsFBI Model

Projects San Francisco 49ers to win β€” 63% confidence

βš–οΈ Game Edges

Key factors driving this matchup

SFA Starting QB efficiency +2.3 Very Strong

Justin Herbert (2026) 59.4% CMP / 6.3 Y/A / 2.8% TD / 4.4% INT / 68.8 RATE Β· Brock Purdy (2026) 69.6% CMP / 8.5 Y/A / 8.2% TD / 1.2% INT / 118.1 RATE

SFA Record quality +1.0 Very Strong

LAC 0-6 Β· SF 6-0

SFA Recent form +1.0 Very Strong

LAC L6 Β· SF W6

LACH Home field / environment +1.0 Moderate

LAC home field | LAC 60 days / SF 59 days

SFA OL vs DL matchup +0.73 Moderate

LAC OL sack 10.4% / DEF sack 6.0% | SF 2.8% / 6.6%

SFA Early-down efficiency +0.68 Moderate

40% / 40% allowed | 52% / 41% allowed

SFA Raw scoring differential +0.54 Strong

LAC 15.0 PPG Β· SF 29.5 PPG | LAC 25.2 PA/G Β· SF 18.3 PA/G

LACH Schedule strength +0.50 Very Strong

LAC 64% opp wins Β· SF 35%

LACH Key injury availability +0.50 Weak

LAC 0 unavailable starters Β· SF 1

SFA Explosive-play differential +0.48 Moderate

5% / 5% allowed | 6% / 4% allowed

SFA Pass defense +0.40 Weak

LAC 6.8 net Y/A / 66.7% CMP / 90.7 RATE | SF 5.5 / 65.9% / 88.4

SFA Red-zone TD efficiency +0.39 Moderate

50% / 48% allowed | 90% / 50% allowed

SFA Run-game matchup +0.24 Weak

LAC 4.2 rush Y/A / 4.0 allowed | SF 4.6 / 3.6 | PBP 83% stuff avoided | 84% stuff avoided

SFA Game-script tendencies +0.13 Weak

43% neutral pass / 56 plays | 56% / 57

SFA Turnover differential +0.05 Weak

LAC 2.5 GIVE / 1.7 TAKE | SF 1.0 / 1.2

SFA Third-down efficiency +0.01 Weak

LAC OFF 34.1% / DEF 31.1% | SF 51.5% / 38.6% | PBP 70%/36%/26% | 64%/45%/40%

See the Full Analysis

All Key Suspects with verdict breakdowns, matchup conditions, sharp money signals, live lineup tracking, and player prop edges β€” available in the BlowOutAlert workspace.