Market reference
| Market | Selection | Signed line | American | Decimal | Bookmaker |
|---|---|---|---|---|---|
| Moneyline | Arizona Cardinals · home | — | +205 | 3.05 | Draft Kings |
| Moneyline | Detroit Lions · away | — | -250 | 1.4 | Draft Kings |
| Spread | Arizona Cardinals · home | +5.5 | -112 | 1.8928571428571428 | Draft Kings |
| Spread | Detroit Lions · away | -5.5 | -108 | 1.925925925925926 | Draft Kings |
| Total | Over | 54.5 | -115 | 1.8695652173913042 | Draft Kings |
| Total | Under | 54.5 | -105 | 1.9523809523809523 | Draft Kings |
Retrieved · Supplied ESPN scoreboard source [https://site.api.espn.com/apis/site/v2/sports/football/nfl/scoreboard?dates=20261011&limit=1000] · Event 401872991. Bookmaker update timestamp was not supplied. These launch-time prices remain the report reference; no odds were refetched or replaced.
Betting preview: offense edges, personnel risk
2–2 · Last result: loss
1–3 · Three straight losses
Canonical status: scheduled; scores and outcomes are null. Non-neutral conference matchup, outside the division. External research observed October 11, 2026, approximately 10:18–10:21 UTC.
Closest lean: Arizona +5.5 at -112. Every supported margin forecast is closer than the market’s Detroit-by-5.5 reference, but Arizona’s new offensive-line losses reduce the relevance of its four-game baseline. Detroit’s productive passing offense faces a vulnerable defense; Detroit’s own defense leaves a credible Arizona cover path.
The total has opposing model cases, not a reliable consensus. No stake is recommended: the accepted evidence supplies model means and win estimates, but no validated spread-cover or over/under distribution.
The two directional matchups
Detroit offense → Arizona defense
| Metric | DET offense | ARI allowed |
|---|---|---|
| Points / game | 29.75 | 29.25 |
| EPA / play | +0.144 · #6 offense | +0.067 |
| Success rate | 49.4% · #4 offense | 43.0% |
| Yards / play | 6.12 | 6.35 |
| Explosive-play rate | 9.4% · #14 offense | 10.9% |
| Points / drive | 2.77 · #5 offense | 2.79 |
Advantage: Detroit’s passing production. Goff has +0.289 EPA/dropback across 169 dropbacks, 1,214 passing yards and nine TDs without an interception. St. Brown has 46 targets; LaPorta has 32. Arizona’s safety change creates a plausible route to efficient intermediate completions.
Run-game restraint: Gibbs has 353 yards on 80 carries, but -0.018 EPA/rush. External 2026 scouting describes Arizona’s run defense as stronger than its pass defense; an automatic dominant rushing script would overstate the evidence.
DET: 265 offensive plays / 43 drives. ARI: 230 defensive plays / 42 drives. Defense ranks are not supplied. Player figures: four 2026 games, complete listed QB/RB coverage; player ranks unavailable.
Arizona offense → Detroit defense
| Metric | ARI offense | DET allowed |
|---|---|---|
| Points / game | 21.75 | 31.75 |
| EPA / play | -0.029 · #20 offense | +0.183 |
| Success rate | 46.3% · #11 offense | 48.4% |
| Yards / play | 4.71 | 6.27 |
| Explosive-play rate | 3.9% · #32 offense | 12.6% |
| Points / drive | 1.98 · #17 offense | 3.02 |
Cover route: sustained possessions against a leaky defense. McBride’s 33 catches on 46 targets and Wilson’s 25 on 44 provide established volume. Detroit’s defensive efficiency and missing defensive backs support Arizona’s opportunity to move the ball and keep the margin inside six.
Failure route: protection breaks down. Brissett has -0.045 EPA/dropback across 159 dropbacks, 5.38 yards/attempt and four interceptions. A rookie left tackle and replacement right guard increase uncertainty against Hutchinson, who has 3.5 sacks and nine QB hits in four games; accepted pressure totals are unavailable.
ARI: 259 offensive plays / 44 drives. DET: 285 defensive plays / 42 drives. Player figures: four 2026 games, listed coverage complete except unavailable defensive pressure measures; player ranks unavailable.
Source: analytics.v_team_season_metrics and v_player_season_metrics, nfl / 2026, football-metrics-v1. Coverage: 4 complete games, 0 partial or box-only games for each team. DET data as-of 2026-10-05 00:20 UTC; ARI 2026-10-04 17:00 UTC. These are supplied data-as-of fields, not live injury timestamps. Ranks shown are stored offensive metric ranks.
Style and consistency: why confidence stays low
Production pattern ≠ weekly stability
Detroit’s strong success rate supports a repeatable possession path in this matchup, but its defense can erase that advantage. Arizona’s reasonable success rate alongside last-ranked explosiveness suggests it needs more plays to finish scoring drives; protection errors can therefore be costly.
These are style inferences from season aggregates. Weekly scoring dispersion, rolling EPA, situational pace and a numerical consistency score are not exposed in the accepted season summaries. One Detroit loss and three Arizona losses establish recent results, not a measured efficiency trend.
External scheme context · kept separate
An October 8 scouting report describes Arizona using 11 personnel on 61.7% of plays, 13 personnel on 20%, and play-action on 17.8% (#27). It reports 81.3% zone defense, with pass EPA allowed +0.29 (#30) versus rush EPA allowed -0.24 (#2).
That supports testing Arizona through the air while respecting its run defense. Formation variety does not itself prove volatile outcomes, and current line changes could alter the scheme’s execution.
2026 context: four team games; underlying play denominators and weekly variance are not stated. These source-reported splits are supplemental, not replacements for canonical metrics. Pride of Detroit scheme analysis [https://www.prideofdetroit.com/detroit-lions-analysis/175931/lions-week-5-preview-breaking-down-cardinals-offensive-defensive-schemes] · Published October 8, 12:00 UTC; observed October 11, about 10:20 UTC.
The available roster differs from the form sample
| Personnel | Latest evidence | Matchup implication |
|---|---|---|
| ARI offensive line | Paris Johnson Jr.: season-ending biceps injury. Isaiah Adams: ankle injury, placed on IR October 10. Jayden Williams starts at LT; Jon Gaines II at RG. Johnson report [https://www.azcardinals.com/news/paris-johnson-jr-out-for-season-as-offensive-line-shuffles-again]; Adams transaction [https://www.azcardinals.com/news/cardinals-guard-isaiah-adams-placed-on-injured-reserve]. | Four-game averages mostly reflect the previous line. Pressure and blocking uncertainty weaken both Arizona cover and scoring cases. No injury-related point adjustment is estimated. |
| ARI replacement experience | Williams had 18 offensive snaps, 17 in jumbo packages, before becoming the starting LT. Jedrick Wills supplies added depth. October 7 replacement report [https://www.azcardinals.com/news/rookie-or-not-jayden-williams-ready-for-left-tackle-turn]. | The starter’s small conventional-tackle sample is a concrete reason to reduce confidence; veteran depth does not establish continuity. |
| ARI skill players | Love: full Friday, expected to play. Harrison: reportedly a healthy inactive amid trade discussions, not yet verified through the final inactive list. Friday report [https://www.azcardinals.com/news/injury-report-week-5-vs-lions]; October 10 Harrison report [https://www.azcardinals.com/news/reports-cardinals-readying-to-trade-marvin-harrison-jr]. | Love’s availability preserves the rushing plan. Harrison has only five canonical catches for 85 yards in four games, so a large automatic production deduction is unsupported; losing a receiving option still matters. |
| ARI defense | Wingard: out, knee. Taylor-Demerson: full Friday after missing two games. Nolen: questionable, calf; Sharar: questionable, hamstring. Sweat and Burch: full Friday. Official Cardinals designations [https://www.azcardinals.com/news/injury-report-week-5-vs-lions]. | A returning safety partly offsets Wingard’s absence, but the combination has limited recent continuity. Nolen’s uncertain availability matters to interior depth. |
| DET availability | Branch (Achilles), Mays (wrist), Bartch (foot), Ya-Sin (hamstring): out. Tyleik Williams (foot): questionable. Wonnum (back): full Friday, no game designation listed. Official Lions report [https://www.detroitlions.com/news/lions-at-cardinals-injury-report-oct-9-branch-mays-williams]. | No Branch return is credited merely because his practice window opened. Missing defensive backs sustain Arizona’s passing opportunity; uncertain interior-line depth adds risk on both sides. |
Canonical availability: 0 accepted rows. Latest-per-player roster query: 190 entries, including 166 Week 5 entries and earlier released players; roster status is not game-day clearance. Roster updated 2026-10-11 09:54:23.575513 UTC. Club Friday reports are dated October 9; October 10 transaction/news updates were also read. Final inactives, snap limits and quantitative injury impacts remain unverified.
Better Detroit profile, smaller forecast margin
Matchup’s prospective SRS boundary
Both teams are below the training sample’s league average. Arizona faced the harder schedule: +0.81 SRS strength of schedule versus Detroit -1.10. With the forecast’s home adjustment, traditional SRS predicts Arizona home margin -1.39, not Detroit by 5.5.
2026 · 4 team games each · 64 league training games · 32-team connected component. Traditional-SRS uncertainty 4.45 each is descriptive, not a betting confidence interval. Pregame rating ranks are not supplied.
Separate current-season rating table
| Team | Traditional SRS | Rank |
|---|---|---|
| Detroit | -2.98 | 20 |
| Arizona | -7.08 | 28 |
These descriptive season values use 65 accepted league games, as-of October 9, 00:15 UTC; each team still has four games, with complete coverage. They include an additional league result and are not substituted into the 64-game prospective forecast.
analytics.v_rating_values · traditional-srs-v1. The two boundaries legitimately produce different values; mixing their ratings and forecasts would misstate the evidence.
All 14 accepted game forecasts
Home = Arizona. Negative home margin favors Detroit. A dash means the model does not support that target.
| Model | Declared purpose | ARI win estimate | Home margin | Total mean |
|---|---|---|---|---|
| Simple Rating System | descriptive | 44.7% | -1.39 | — |
| Location-adjusted SRS | descriptive | 35.2% | -3.98 | — |
| Offense / Defense SRS | descriptive | 37.1% | -3.43 | 61.87 |
| Predictive SRS | predictive | 43.1% | -1.82 | 46.22 |
| Massey Margin Rating | predictive | 45.9% | -1.07 | — |
| Margin Elo | predictive | 54.4% | +1.23 | — |
| Football Elo | predictive | 55.6% | — | — |
| Glicko-2 | predictive | 46.5% | — | — |
| Bradley-Terry | predictive | 41.4% | — | — |
| Pythagorean Expectation | predictive | 42.5% | — | — |
| Opponent-adjusted EPA Power | predictive | 52.6% | +0.68 | — |
| Drive Power | predictive | 57.7% | +2.01 | — |
| Keener Graph Rating | predictive | 56.0% | — | — |
| AMF Power | composite | 48.4% | -0.41 | 63.93 |
analytics.v_rating_forecasts and v_rating_snapshots · period regular:5 · 14 forecasts / 34 snapshots. Training cutoff: 2026-10-09 00:15 UTC; latest included kickoff: 2026-10-06 00:15 UTC. Policy: completed prior periods only. Calculated: 2026-10-11 09:55:12.996344 UTC. Formula versions: registered system-specific v1 definitions. Actual outcomes and postgame ratings are null.
Total models fall on opposite sides of 54.5
Vertical gold line: market 54.5. Dots: model means, not confidence intervals.
Predictive SRS’s total is a prior league-average baseline. AMF and Offense / Defense SRS share scoring-component inputs; their high totals are not independent confirmations. Canonical forecast values are retained.
Calibration controls the confidence claim
| Model | Brier score | Margin MAE | Margin rank | Total MAE |
|---|---|---|---|---|
| Margin Elo | 0.240 | 9.83 pts | 1 | Unsupported |
| AMF Power | 0.264 | 10.99 pts | 2 | 21.82 pts |
| Traditional SRS | 0.295 | 14.76 pts | 4 | Unsupported |
| Predictive SRS | 0.321 | 17.20 pts | 5 | 12.53 pts |
| Offense / Defense SRS | 0.335 | 20.79 pts | 9 | 21.42 pts |
analytics.v_rating_benchmarks returned 17 league rows; 14 support forecasts. Historical market-comparison margin MAE is 12.23 points over 65 samples. That benchmark does not replace the supplied launch-time prices.
Useful signal, limited calibration
Margin Elo’s 50–60% home-probability bucket has 44 games: mean estimate 56.5%, observed home-win rate 54.5%. Its Arizona estimate here is 54.4%. AMF’s relevant 40–50% bucket has only eight games: mean estimate 44.1%, observed 62.5%. Traditional SRS’s relevant bucket has just one game.
Those observations justify preferring Margin Elo’s evidence quality, but they do not produce a precisely calibrated probability for this matchup. The models are correlated, and 65 league samples do not erase the four-game team sample.
No distribution for cover or total
All nine margin means favor the Arizona +5.5 side of the line; they range from Arizona -3.98 to +2.01. That is a directional price comparison, not nine measured cover chances.
No accepted validated residual distribution or calibrated spread/total model is supplied. Mean margin, mean total, MAE, descriptive rating uncertainty and price break-even arithmetic cannot establish cover probability, over/under probability or expected value.
Special teams, venue and rules
Special teams · modest DET edge
Canonical special-teams EPA/game: Detroit +1.98, Arizona +1.13. Bates is 7/7 on field goals and 14/14 on extra points; Ryland is 8/9 and 9/9. Fox’s net punting average is 42.07 yards on 15 punts; Gillikin’s is 39.20 on 20.
2026 · four games each · same team data-as-of fields above. Expected field-goal value is not modeled; special-teams ranks unavailable. This small sample cannot guarantee field-position outcomes.
Weather · roof controls exposure
The canonical game records a closed roof; the stadium confirms retractable roofing and natural grass. A live roof decision is unverified. Official venue information [https://www.statefarmstadium.com/stadium-info/about].
Outdoor kickoff forecasts differ: NFLWeather shows 84°F, SW 21 mph, gusts 32 and 18% rain; Forecaster HQ shows 84°F, SSW 20 mph, gusts 32 and 31% rain. NFLWeather [https://www.nflweather.com/games/2026/week-5/lions-at-cardinals]; Forecaster HQ [https://www.forecasterhq.com/tools/nfl-weather/game/lions-at-cardinals-week-5].
Observed October 11, about 10:19–10:21 UTC; provider update times not stated. Direct NWS retrieval failed. Base case: no outdoor wind/rain scoring deduction under the canonical closed roof. If opened, passing and kicking uncertainty rises; no numerical adjustment is claimed.
Schedule and NFL conventions
Equal seven-day rest supplies no rest advantage. Arizona is at home; the forecasts already include their declared home adjustment.
The supplied 2026 NFL profile specifies four 15-minute periods, a 40-second play clock, continuous first-down timing, two-foot catches and a 10-minute regular-season overtime period with ties possible and guaranteed possession.
Canonical rule profile effective January 1, 2026; supplied rules source [https://operations.nfl.com/rules-officiating/2026-nfl-rulebook/]. Rule context is distinct from market settlement: overtime and tie treatment for these prices were not supplied. No college-stat conventions are applied.
Market-by-market judgment
Arizona +205 / Detroit -250
Arizona’s price case: its 32.79% settled-outcome break-even hurdle is below every model home-win estimate, ranging 35.2–57.7%. Margin Elo estimates 54.4%; AMF 48.4%. That is potential model-price disagreement, not a verified profit claim.
Detroit’s case: superior offensive production and Arizona’s protection losses support winning. But Detroit needs 71.43% at -250; no listed model supplies that win estimate. Arizona’s personnel uncertainty and weak local calibration also prevent endorsing +205.
Winner lean from phase evidence: Detroit. Betting edge confidence: low. No moneyline expected value is asserted.
Arizona +5.5 at -112
Cover case: win outright or lose by five or fewer. Detroit allows 3.02 points/drive and is missing defensive backs; McBride/Wilson volume offers a route to sustained scoring. All nine supported home-margin means are above -5.5.
Uncertainty: two replacement linemen, reported Harrison inactivity and Detroit’s passing advantage create a credible loss by six or more. The smallest mean-line gap is only 1.52 points, versus substantial benchmark errors.
Value reasoning: Arizona’s hurdle is 52.83%, but no validated cover probability establishes it clears that price. Detroit -5.5 at -108 requires a win by at least six and a 51.92% hurdle; its football case exists, but the stored means do not favor laying the line. PASS both sides.
54.5 · Over -115 / Under -105
Over case: both defenses concede scoring drives. Offense / Defense SRS projects 61.87 and AMF 63.93, respectively 7.37 and 9.43 above the line. Over needs 53.49% at -115.
Under case: Arizona’s low explosiveness, new protection problems and reported missing receiver could stall possessions. Predictive SRS’s league-baseline total is 46.22, 8.28 below the line. Under needs 51.22% at -105.
Value reasoning: correlated high-total models have roughly 21-point total MAE, and the lower baseline is not a tailored personnel forecast. Pace and calibrated total tails are unavailable. Neither price has demonstrated value; no weather-based under is added under a closed roof.
Break-even figures are 1 ÷ supplied decimal price and assume settled win/loss outcomes. They are price thresholds, not game probabilities. No stake, cover probability, total probability or numerical spread/total expected value is invented.