Probetrics — Sports Analytics
NFL slate
San Francisco 49ers
13-6 last yr · #9 Elo
at
Sun, Jan 10, 1:00 PM ET
State Farm Stadium
Arizona Cardinals
3-14 last yr · #29 Elo
Spread Total Moneyline

The read

On rating alone San Francisco 49ers are 7.2 points better (#9 vs #29 of 32), and ARI add 0.0 for home field. The clearest mismatch is the third down & red zone: SF third-down conversion ranks #1, ARI defends it at #29; the other way ARI #9 into SF's #14.

Who has the edge

Rating
Clear edge
SF
SF rated 7.2 points better on Elo (#29 vs #9).
Home & rest
Even
ARI gets 0.0 points for home field.
Quarterback
not priced
Usual starters on both sides — Jacoby Brissett and Brock Purdy — no adjustment.
Passing game
Slight edge
SF
SF passing ranks #8, ARI defends it at #26; the other way ARI #19 into SF's #25.
context · not in the margin
Rushing game
Clear edge
SF
SF rushing ranks #13, ARI defends it at #25; the other way ARI #29 into SF's #23.
context · not in the margin
Third down & red zone
Clear edge
SF
SF third-down conversion ranks #1, ARI defends it at #29; the other way ARI #9 into SF's #14.
context · not in the margin
Form (last 5)
Clear edge
SF
ARI −19.0 per game over the last five, SF −3.2.
context · not in the margin
Market
not priced
No line yet.
context · not in the margin

The margin, factor by factor

San Francisco 49ersArizona Cardinals
1554 Elo · #9
RatingThe Elo gap in points — the model's core read on who is better, before the situational pieces below.
SF +7.2 pts
1396 Elo · #29
road
Home field
not priced
home
Rest
even
Purdy · +6.7 EPA/g
QuarterbackStarter's value against what the team usually gets at quarterback. Only moves when someone other than the usual starter plays.
even
Brissett · +0.2 EPA/g
+6.9 pts vs ARI D
Offense vs defenseEach offense's scoring rating against the other defense's — what drives the model total. Shown as an edge, though the winner call runs on Elo.
SF +7.9 pts
−1.0 pts vs SF D
L W L W W · −3.2
Form (last 5)Average margin over the last five games. Already inside the ratings — listed so you can see when recent form and the rating disagree.
SF +7.9 pts
L L L L L · −19.0
9 out/IR
InjuriesCount of players listed Out or on IR. Not priced beyond the quarterback.
not priced
5 out/IR
MarketThe consensus spread, read as points. Compare with the model margin above it.
not priced

Bars are in points toward the favored side. Blue factors are inside the model's margin; grey ones are context it does not add on top (form and offense/defense are already in the ratings; injuries beyond the quarterback are not priced).

Dissect the matchup

nflverse play-by-play + FTN charting · 2025 season (last season until three games are in)

Biggest mismatches

  • SF pass success rate (#3) against a ARI defense ranked #31 at stopping it
  • SF third-down conversion (#1) against a ARI defense ranked #29 at stopping it
  • SF sack rate (#4) against a ARI defense ranked #28 at stopping it
  • ARI interception rate (#7) against a SF defense ranked #31 at stopping it
  • SF red-zone touchdown rate (#5) against a ARI defense ranked #27 at stopping it

A mismatch is a rank gap of at least a fifth of the league between an offense and the defense it faces on the same measure. Descriptive rows (pass rate, pace, direction) are shown for reading the game, not ranked. ▲▼ mark where the last three games sit clearly above or below the season number, in the direction that helps that side.

San Francisco 49ers offense vs Arizona Cardinals defense

ranks of 32
SF offARI defEdge
Identity
Pass rate / Pass rate facedDropbacks as a share of plays. On the defense column: what opponents do against them.59%59%·
Early-down pass rateFirst and second down only — the cleanest read on run-heavy vs pass-heavy.55%55%·
Neutral-script pass rateEarly downs with win probability between 20% and 80%: intent, not catch-up mode.58%57%·
Pass rate over expectedHow much more (or less) a team passes than the down, distance, score and clock predict. nflverse xpass.−0.7%−1.3%·
Seconds per playTime of possession divided by plays — lower is faster.29.329.2·
No-huddle4%8%·
Shotgun55%61%·
Play-action rate / Play-action facedShare of dropbacks with a play fake (FTN charting).22%22%·
RPO rate / RPOs faced1%4%·
Screen rate / Screens faced6%5%·
Pre-snap motion / Motion faced67%57%·
Blitzes faced / Blitz rateFive or more pass rushers (FTN). On the offense column: how often opponents blitz them.21%28%·
Pass rushers faced / Avg pass rushers4.184.31·
Passing
EPA / dropbackThe single best pass-efficiency number; on the defense column, what they allow.+0.13#8+0.17#26SF
Pass success rate52%#352%#31SF
Explosive pass rateDropbacks gaining 20+ yards.8.0%#158.7%#22SF
Yards / dropback6.9#86.6#24SF
Depth of target (aDOT)Average air yards per attempt — how far downfield they throw, or get thrown at.7.67.8·
Deep-ball rate (20+ air)10%10%·
Short throws (≤5 air)53%52%·
Completion % over expectednflverse CPOE, per attempt. Defense column: what they allow.+4.7#3+1.0#19SF
YAC / completion4.6#285.0#16ARI
Sack rate / Sack rate generatedSacks per dropback. Lower is better for an offense; the defense column shows sacks they create.4.3%#44.8%#28SF
Scramble rate4.9%3.9%·
Interception rate / Interceptions forced3.0%#281.8%#22ARI
Throws left / middle / rightDirection shares are shown in full on the row.L 41 · M 26 · R 34L 39 · M 20 · R 41·
Rushing
EPA / rush−0.04#13−0.02#25SF
Rush success rate42%#1444%#26SF
Explosive rush rateRushes of 10+ yards.8.2%#2512.8%#29·
Yards / rush3.7#294.7#26·
Runs left / middle / rightL 35 · M 27 · R 38L 34 · M 34 · R 33·
Situational
Third-down conversion51%#145%#29SF
Red-zone touchdown rateDrives reaching the 20 that end in a touchdown.65%#564%#27SF
Turnovers / game / Takeaways / game1.42#311.12#18ARI
Plays / game6262·

Arizona Cardinals offense vs San Francisco 49ers defense

ranks of 32
ARI offSF defEdge
Identity
Pass rate / Pass rate facedDropbacks as a share of plays. On the defense column: what opponents do against them.70%60%·
Early-down pass rateFirst and second down only — the cleanest read on run-heavy vs pass-heavy.67%57%·
Neutral-script pass rateEarly downs with win probability between 20% and 80%: intent, not catch-up mode.63%56%·
Pass rate over expectedHow much more (or less) a team passes than the down, distance, score and clock predict. nflverse xpass.+4.0%−2.3%·
Seconds per playTime of possession divided by plays — lower is faster.28.329.8·
No-huddle12%11%·
Shotgun72%66%·
Play-action rate / Play-action facedShare of dropbacks with a play fake (FTN charting).25%23%·
RPO rate / RPOs faced3%6%·
Screen rate / Screens faced8%9%·
Pre-snap motion / Motion faced44%54%·
Blitzes faced / Blitz rateFive or more pass rushers (FTN). On the offense column: how often opponents blitz them.21%22%·
Pass rushers faced / Avg pass rushers4.234.27·
Passing
EPA / dropbackThe single best pass-efficiency number; on the defense column, what they allow.+0.02#19+0.14#25ARI
Pass success rate45%#1949%#25ARI
Explosive pass rateDropbacks gaining 20+ yards.6.8%#266.9%#6SF
Yards / dropback5.7#266.4#21·
Depth of target (aDOT)Average air yards per attempt — how far downfield they throw, or get thrown at.7.27.9·
Deep-ball rate (20+ air)10%12%·
Short throws (≤5 air)58%54%·
Completion % over expectednflverse CPOE, per attempt. Defense column: what they allow.+1.0#13+2.1#24ARI
YAC / completion4.9#214.6#5SF
Sack rate / Sack rate generatedSacks per dropback. Lower is better for an offense; the defense column shows sacks they create.7.9%#243.4%#32ARI
Scramble rate5.1%4.5%·
Interception rate / Interceptions forced1.7%#70.9%#31ARI
Throws left / middle / rightDirection shares are shown in full on the row.L 37 · M 21 · R 42L 41 · M 20 · R 40·
Rushing
EPA / rush−0.11#29−0.02#23SF
Rush success rate38%#2648%#32ARI
Explosive rush rateRushes of 10+ yards.7.7%#298.6%#8SF
Yards / rush4.0#244.4#22·
Runs left / middle / rightL 34 · M 31 · R 36L 30 · M 28 · R 42·
Situational
Third-down conversion42%#940%#14·
Red-zone touchdown rateDrives reaching the 20 that end in a touchdown.54%#2456%#14SF
Turnovers / game / Takeaways / game1.18#170.74#28ARI
Plays / game6360·

Route-by-route data (which routes are run and how coverage plays them) is not published anywhere public — it is sold by PFF and NGS. Throw depth, direction, play-action, RPO, screens, motion and pass-rush counts above are the public pieces of the same picture.

San Francisco 49ers · key players

  • Brock Purdy QB20.9/31.1 · 234 yds/g · 22-13 TD-INT · +0.16 EPA/db
  • Jauan Jennings WR5.8 tgt/g · 19% share · 42 yds/g · 9 TD · aDOT 10.3
  • George Kittle TEQuestionable5.9 tgt/g · 20% share · 53 yds/g · 7 TD · aDOT 6.7
  • Kendrick Bourne WR3.7 tgt/g · 11% share · 37 yds/g · 0 TD · aDOT 11.3
  • Ricky Pearsall WR5.5 tgt/g · 17% share · 53 yds/g · 0 TD · aDOT 13.8
  • Christian McCaffrey RBQuestionable17.7 car/g · 68 yds/g · 3.8 ypc · 10 TD · −0.08 EPA/car
  • Brian Robinson RB5.6 car/g · 24 yds/g · 4.3 ypc · 2 TD · −0.03 EPA/car

2025 season, per game. Targets ranked by volume, rushers by carries.nflverse weekly player stats. Target share is the player's average share of his team's targets in the games he played. A player who changed teams carries his own games from last season.

Arizona Cardinals · key players

  • Jacoby Brissett QB22.5/34.6 · 240 yds/g · 23-8 TD-INT · −0.01 EPA/db
  • Trey McBride TE9.9 tgt/g · 28% share · 73 yds/g · 11 TD · aDOT 6.7
  • Michael Wilson WR7.4 tgt/g · 19% share · 59 yds/g · 7 TD · aDOT 11.9
  • Marvin Harrison Jr. WR6.1 tgt/g · 18% share · 51 yds/g · 4 TD · aDOT 13.0
  • Elijah Higgins TE2.5 tgt/g · 8% share · 20 yds/g · 0 TD · aDOT 4.0
  • Michael Carter RB7.1 car/g · 26 yds/g · 3.6 ypc · 1 TD · −0.07 EPA/car
  • Bam Knight RB8.2 car/g · 27 yds/g · 3.3 ypc · 4 TD · −0.20 EPA/car

2025 season, per game. Targets ranked by volume, rushers by carries.nflverse weekly player stats. Target share is the player's average share of his team's targets in the games he played. A player who changed teams carries his own games from last season.

Season

SFARI
13-6Record3-14
24.5Points for / game20.9
22.7Points against / game28.7
5-3 / 8-3Home / road1-7 / 2-7
12-7Against the spread6-11
11-8Over / underOvers–unders in this team's games. A tendency, not a lean.10-7
L W L W WLast 5L L L L L

Season numbers are from 2025 until this season has games.

Power ratings

SFARI
1554Elo1396
#9 of 32Rank#29 of 32
+2.5Offense ratingPoints per game above league average scored, opponent-adjusted.−2.0
−1.1Defense ratingPoints per game below league average allowed, opponent-adjusted. Positive is good.−4.4
Strength of scheduleMean Elo of opponents faced this season.

Elo drives the winner call. Offense/defense ratings drive the total.

Efficiency

SFARI
0.060EPA / play (offense)Expected points added per offensive play, nflverse. The single best efficiency number.-0.016
0.071EPA / play allowed0.082
250Pass yards / game256
105Rush yards / game93
232Pass yards allowed243
113Rush yards allowed127
1.2 / 1.0Turnovers / takeaways0.9 / 1.4
1.6 / 1.2Sacks allowed / made3.5 / 1.8
20.5First downs / game18.1
37Penalty yards / game50
+6.7 · #7 of 52QB EPA / gameThe listed starter's passing + rushing EPA per game, ranked among starters with three or more games.+0.2 · #29 of 52

Efficiency is from the 2025 season until this one has games. Source: nflverse.

Head to head

2025SF 41 at ARI 22SF · SF covered
2025ARI 15 at SF 16SF · ARI covered
2024SF 24 at ARI 47ARI · ARI covered
2024ARI 24 at SF 23ARI · ARI covered
2023SF 45 at ARI 29SF · SF covered
2023ARI 16 at SF 35SF · SF covered
2022ARI 13 at SF 38SF · SF covered
2022SF 38 vs ARI 10SF · SF covered

How the margin was built

Rating gap
SF +7.2 pts
Home field
ARI +— pts
Rest
Even
Quarterback
Usual starters — no adjustment
Weather / roof
— pts on the total
Model margin
Model total

Market

Spread
Total
Moneyline

Per-book prices appear once the multi-book feed has this game (about a week out).

San Francisco 49ers injuries

  • Isaac Guerendo RBOut
  • Mykel Williams DEOut
  • Austen Pleasants OTInjured Reserve
  • Brett Toth CInjured Reserve
  • Christian Kirk WRInjured Reserve
  • Nate Hobbs CBInjured Reserve
  • Nick Martin LBInjured Reserve
  • Nick Zakelj OTInjured Reserve
  • Sam Okuayinonu DTInjured Reserve
  • Christian McCaffrey RBQuestionable
  • De'Zhaun Stribling WRQuestionable
  • Ephesians Prysock CBQuestionable

From ESPN's report. The model prices the quarterback; other absences are context it does not yet price.

Arizona Cardinals injuries

  • Tip Reiman TEOut
  • Chase Bisontis GInjured Reserve
  • James Conner RBInjured Reserve
  • Trey Benson RBInjured Reserve
  • Zachary Carter DTInjured Reserve
  • Blake Gillikin PQuestionable
  • Dadrion Taylor-Demerson SQuestionable
  • Jeremiyah Love RBQuestionable
  • Will Johnson CBQuestionable

From ESPN's report. The model prices the quarterback; other absences are context it does not yet price.

Informational only. Winner probabilities are backtested and calibrated; spread and total calls are tracked leans. 21+, 1-800-GAMBLER.