Dallas Cowboys @ Los Angeles Rams — Prediction & Odds, NFL Week 15 2026

Sunday, December 20, 2026 · 4:25 PM ET · SoFi Stadium (indoors)

Prediction: Rams 30, Cowboys 23 (market-implied). The market gives the Los Angeles Rams a 72% chance to win. · Updated

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Every angle of Cowboys @ Rams, on one screen.

Cowboys23.1win 28%
Market-implied score
Rams29.9win 72%
SpreadLA -6.75
Total53
Moneyline+250 / -301
  • The market-implied score next to the spread and total
  • Player projections against their prop lines, with the best price
  • What decides it: each passing matchup, protection and pace
  • Who is out and how much they play, and the best price on every side
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Cowboys vs Rams prediction

The market makes Los Angeles Rams a 6.75-point favorite over Dallas Cowboys, with the game total at 53.

Moneylines sit at +250 for Dallas Cowboys and -301 for Los Angeles Rams, a devigged 72% win probability for Los Angeles Rams; splitting the spread and total leaves market-implied team totals of 23.1 for Dallas Cowboys and 29.9 for Los Angeles Rams.

The Sport Stack's nflsim engine projects Dallas Cowboys — Dak Prescott (QB) at 252 passing yards and 12 rushing yards, CeeDee Lamb (WR) at 1 rushing yards and 85 receiving yards; Los Angeles Rams — Matthew Stafford (QB) at 245 passing yards and 3 rushing yards, Puka Nacua (WR) at 4 rushing yards and 101 receiving yards.

Kickoff is Sunday, December 20, 2026 · 4:25 PM ET, at SoFi Stadium, indoors, Dallas Cowboys take the extra rest, 13 days to 7.

New to these numbers? How devigging turns a price into a probability, how sportsbooks set these lines, what expected value means, and why to shop the number.

Consensus market

Consensus market for Cowboys at Rams — lines as of Thu, 9/10 · 8:01 PM ET
MarketConsensus
SpreadLA -6.75
Total53
Moneyline (DAL / LA)+250 / -301
LA implied win probability72%
Implied team totals (DAL — LA)23.1 — 29.9

Devigged cross-book consensus from the latest snapshot we hold, dated above. See the power ratings for the model's implied line on any matchup.

Cowboys and Rams this season

Games before Week 15. Against the spread and over/under are graded against the consensus line.
TeamRecordAgainst the spreadOver/underPoints forPoints againstDays of rest
Dallas Cowboys4-55-46-327.326.213
Los Angeles Rams5-45-44-523.820.17

Cowboys' last 3 games: W 27-23 @ IND · L 30-33 vs ARI · W 38-21 @ PHI.

Rams' last 3 games: W 20-13 @ WAS · W 24-9 vs LAC · W 35-21 @ LV.

Player projections

Dallas Cowboys · 23.1 market-implied pts
Dak Prescott (QB) — 252 pass yds · 12 rush yds
CeeDee Lamb (WR) — 1 rush yds · 85 rec yds
Javonte Williams (RB) — 70 rush yds · 14 rec yds
Los Angeles Rams · 29.9 market-implied pts
Matthew Stafford (QB) — 245 pass yds · 3 rush yds
Puka Nacua (WR) — 4 rush yds · 101 rec yds
Kyren Williams (RB) — 63 rush yds · 20 rec yds

Research context, not a pick — every staked play is graded on the public ledger. How we grade.

What decides Cowboys @ Rams, who is out and how much they play, the best price on every side, and every book's number.

Open the Cowboys @ Rams matchup →

Played indoors, so weather is not a factor. Every game's conditions are on the NFL slate.

More Week 15 games

← Week 14 · Week 16 → · Full 2026 schedule

Cowboys 2026 schedule

Rams 2026 schedule