49ers vs Cardinals Prediction, Odds & Best Prop Bets โ€“ NFL, Week 18

Arizona Cardinals quarterback Kyler Murray throws a pass against the Philadelphia Eagles during the second half of an NFL football game, Sunday, Dec. 31, 2023, in Philadelphia. (AP Photo/Derik Hamilton)
(AP Photo/Derik Hamilton)
  • The Cardinals are -4 point favorites vs the 49ers
  • Total (Over/Under): 42.5 points
  • Watch this game on FOX

The San Francisco 49ers (6-10-0) visit State Farm Stadium to take on the Arizona Cardinals (7-9-0) on Jan. 5. Kickoff is scheduled for 4:25pm EST in Glendale, AZ.

The Cardinals are betting favorites in this matchup, with the spread sitting at -4 (-110).

The 49ers vs. Cardinals Over/Under is 42.5 total points for the game.

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49ers vs. Cardinals Odds, Spread, Over/Under

SpreadTotal (O/U)Moneyline
49ers+4 -11042.5 -110+165
Cardinals -4 -11042.5 -110-200

49ers vs. Cardinals Prediction

The winning team model predicts the Cardinals will win this game with 61.0% confidence, based on game simulations, player injuries, offensive & defensive matchups and recent game results.

49ers vs Cardinals Spread Prediction

Based on recent against-the-spread trends, the model predicts the 49ers will cover the spread with 59.0% confidence.

This prediction against the spread factors in ATS performances for both teams, opening and current betting lines plus public and sharp money already wagered on this matchup.


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We’ve highlighted some favorite NFL player prop bets for 49ers players this playoff game, looking at profitable historical betting trends:

Best 49ers Player Prop Bets Today

  • Brock Purdy has hit the Rushing Yards Over in 13 of his last 17 games (+8.40 Units / 43% ROI)
  • Brandon Aiyuk has hit the Receiving Yards Under in 8 of his last 9 games (+6.90 Units / 69% ROI)
  • Brandon Aiyuk has hit the Receptions Under in 8 of his last 9 games (+6.65 Units / 60% ROI)
  • Brock Purdy has hit the Carries Over in 12 of his last 17 games (+6.15 Units / 29% ROI)
  • Jauan Jennings has hit the Receptions Over in 11 of his last 16 games (+6.10 Units / 31% ROI)

And here are some top NFL player prop bets for Cardinals players for this matchup, looking at profitable historical betting trends:

Best Cardinals Player Prop Best Bets Today

  • Kyler Murray has hit the TD Passes Under in 14 of his last 17 games (+9.60 Units / 35% ROI)
  • James Conner has hit the Receptions Over in 11 of his last 17 games (+6.30 Units / 31% ROI)
  • Marvin Harrison Jr. has hit the Receptions Under in 7 of his last 8 games at home (+6.15 Units / 59% ROI)
  • Greg Dortch has hit the Receiving Yards Under in 7 of his last 8 games at home (+5.85 Units / 62% ROI)
  • Kyler Murray has hit the Carries Under in 7 of his last 9 games at home (+5.25 Units / 49% ROI)
  • The San Francisco 49ers have hit the 2H Game Total Over in 12 of their last 16 games (+7.63 Units / 43% ROI)
  • The San Francisco 49ers have hit the 3Q Game Total Over in 5 of their last 6 away games (+3.85 Units / 51% ROI)
  • The San Francisco 49ers have hit the 4Q Game Total Over in 5 of their last 6 away games (+3.80 Units / 56% ROI)
  • The San Francisco 49ers have hit the 2Q Game Total Over in 4 of their last 5 away games (+2.85 Units / 51% ROI)
  • The San Francisco 49ers have hit the 1H Game Total Over in 13 of their last 22 games (+2.60 Units / 10% ROI)
  • The Arizona Cardinals have covered the 2H Spread in 8 of their last 9 games at home (+7.38 Units / 71% ROI)
  • The Arizona Cardinals have hit the 2H Moneyline in 7 of their last 8 games at home (+5.80 Units / 59% ROI)
  • The Arizona Cardinals have hit the 3Q Moneyline in 10 of their last 17 games (+5.70 Units / 29% ROI)
  • The Arizona Cardinals have covered the 3Q Spread in 7 of their last 9 games at home (+4.70 Units / 41% ROI)
  • The Arizona Cardinals have covered the 1Q Spread in 7 of their last 10 games at home (+3.95 Units / 30% ROI)

49ers Against the Spread (ATS) Record

Against the spread this NFL season, the 49ers art 5-11 (-7 Units / -40% ROI).

  • 49ers are 6-10 when betting on the Moneyline for -12 Units / -34.63% ROI
  • 49ers are 9-7 when betting the Over for +1.3 Units / 7.39% ROI
  • 49ers are 7-9 when betting the Under for -2.9 Units / ROI

Cardinals Against the Spread (ATS) Record

Against the spread this NFL season, the Cardinals are 10-6 (+3.2 Units / 17.88% ROI).

  • Cardinals are 7-9 when betting on the Moneyline for -2.2 Units / -10.4% ROI
  • Cardinals are 7-8 when betting the Over for -1.8 Units / -10.23% ROI
  • Cardinals are 8-7 when betting the Under for +0.3 Units / 1.7% ROI

San Francisco 49ers: Keys to the Game vs. the Arizona Cardinals

The 49ers were winless (0-5) when scoring less than 22 points last season — T-worst in NFL; League Avg: .253.

The 49ers are 16-5 (.762) when rushing for 120 or more yards since the 2023 season — 10th-best in NFL. The Cardinals have allowed an average of 135.4 rushing yards per game since the 2023 season — 3rd-worst in NFL.

The 49ers were winless (0-3) when within 7 points at the two minute warning last season — worst in NFL; League Avg: .500.

The 49ers are winless (0-12) when scoring less than 22 points since the 2023 season — worst in NFL; League Avg: .244.

Arizona Cardinals: Keys to the Game vs. the San Francisco 49ers

The Cardinals were winless (0-3) when forcing 2 or more turnovers last season — worst in NFL; League Avg: .707.

The Cardinals were 1-12 (.077) when converting less than 50% of third down conversion opportunities last season — worst in NFL; League Avg: .430.

The Cardinals were winless (0-5) when allowing 250 or more passing yards last season — T-worst in NFL; League Avg: .414.

The Cardinals were 1-6 (.143) when sacking the QB 3 or more times last season — 2nd-worst in NFL; League Avg: .650.

Additional Matchup Notes for San Francisco 49ers vs. Arizona Cardinals

The Cardinals have been successful on 48.1% of plays they have run with motion this season — 5th-best in NFL. The 49ers have allowed their opponents to be successful on 46.9% of plays against motion this season — 4th-worst in NFL.

The Cardinals were successful on 57.6% of plays they ran with motion last week — 5th-best in NFL. The 49ers allowed their opponents to be successful on 59.1% of plays against motion last week — 4th-worst in NFL.

The Cardinals have run successful plays on just 33.9% of pass attempts against a heavy rush since the 2023 season — 2nd-worst in NFL. The 49ers have allowed successful plays on just 35.7% of pass attempts with a heavy rush since the 2023 season — 4th-best in NFL.

The 49ers have been successful on 48.8% of plays they have run against a base front since the 2023 season — 2nd-best in NFL. The Cardinals have allowed their opponents to be successful on 47.8% of plays with a base front since the 2023 season — worst in NFL.

The 49ers have averaged 0.12 epa per play against a light front since the 2023 season — 4th-best in NFL. The Cardinals have allowed 0.06 epa per play with a light front since the 2023 season — T-3rd-worst in NFL.

The 49ers have run 53.3% offensive plays on their opponent’s side of the field since the 2023 season — best in NFL. The Cardinals have allowed their opponents to run 50.6% of plays in their territory since the 2023 season — 2nd-worst in NFL.

San Francisco 49ers Offense: Important Stats

The 49ers ran successful plays on 53% of rush attempts against a base front last season — best in NFL; League Avg: 41%.

The 49ers averaged 9.3 yards per attempt (4,577 yards/491 attempts) last season — best in NFL; League Avg: 7.0.

The 49ers have averaged 11.5 yards per play against open coverage since the 2023 season — best in NFL; League Avg: 9.3.

The 49ers ran successful plays on 51% of plays last season — best in NFL; League Avg: 42%.

Arizona Cardinals Offense: Important Stats

The Cardinals had 23 rushes of 20+ yards last season — most in NFL.

The Cardinals have run successful plays on 23% of rush attempts on play action passes this season — worst in NFL; League Avg: 53%.

The Cardinals have targeted TEs 33% of the time (346 Pass Attempts/1,063 plays) since the 2023 season — highest in NFL; League Avg: 21%.

The Cardinals have run successful plays on 37% of rush attempts against a base rush this season — 2nd-worst in NFL; League Avg: 51%.

San Francisco 49ers Defense: Important Stats

The 49ers defense allowed successful plays on 10% of plays with a light rush last season — best in NFL; League Avg: 39%.

The 49ers defense have allowed just 5.9 yards per play against play action passes this season — 2nd-best in NFL; League Avg: 7.6.

The 49ers defense allowed scores on 20% of opponent drives in the 4th quarter last season — best in NFL; League Avg: 33%.

The 49ers defense have allowed just 6.2 yards per play against play action passes since the 2023 season — 2nd-best in NFL; League Avg: 7.6.

Arizona Cardinals Defense: Important Stats

19% of the plays ran against the Cardinals were in the red zone last season — worst in NFL; League Avg: 14%.

The Cardinals defense has allowed a passer rating of just 39.6 with a stacked front (2 Pass Attempts) this season — 2nd-best in NFL; League Avg: 112.6.

The Cardinals defense allowed 25 TD passes in the red zone last season — T-most in NFL.

The Cardinals defense allowed 6 TD passes when the opposing QB was scrambling last season — most in NFL.

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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.