Arizona at Washington State. Lean: Under 49. No call on the spread.

Spread.The strongest explanation for Arizona -10/-10.5 is its established quarterback and offensive continuity against a rebuilding Washington State team that scored only 17 combined points in its two FBS games. Fifita's productive NIU performance supports that premium. Our Arizona -5.1 number implies a five-point disagreement, but the model's unproven ATS record and questionable WSU returning-production input prevent treating that difference as value. The incremental home-side argument is an offensive-line reshuffle that improved protection last week; however, Duquesne provides weak evidence that the improvement will survive this matchup. Arizona's receiver injuries also support taking points, although those reports predate the current quote. The supplied capture history already shows WSU shortening from +13.5 at two books to +10, so much of the attractive cushion has disappeared. Tucker's uncertain availability creates another route to Arizona separating through the air. I lean Washington State but pass +10.5 at -110; my minimum is +12.5 at -110. Confidence is ordinal, not a cover probability.

Total.A total near 49 reasonably balances WSU's weak FBS offense against Arizona's passing efficiency. The under case is that WSU's Duquesne rebound overstates its scoring capacity and both teams have reported receiving absences. Our 45.98 projection supports that direction, but a three-point difference is small relative to its historical error. The over deserves equal weight: improved WSU protection could sustain drives, Tucker's absence could help Fifita, and Arizona reports a 60% third-down conversion rate. Mild weather supplies no meaningful under advantage. Captured totals also moved in opposite directions across books, undermining a unified market signal. I pass under 49 at -112 and would require 51 at -110. This is a modest directional lean, not a model-derived edge.

Where our number looks wrong.Arizona -5.1 likely understates the quarterback and continuity gap. WSU's 91.3% preseason returning-production input needs an audit against the team's report of 50 newcomers and a transfer starting quarterback; those measures are not identical, but the apparent mismatch is material. A final-margin refit also cannot distinguish genuine offensive improvement from an FCS-opponent rebound. I would move toward the market rather than treat the entire five-point gap as exploitable.

• Published market context corroborates Arizona -10 and total 48.5; it does not replace the supplied executable receipts.
• The September 23 splits board provides no betting percentages for this matchup.
• Arizona's preview reports 60% third-down conversions and touchdowns on nine of 11 red-zone trips.
• WSU rushed for 316 yards with no sacks allowed against Duquesne after changing its line.
• Secondary injury listings include Richardson and Freeman out; Toney and McKendry entries still discuss Duquesne.
• Pac-12 nonconference availability reporting depends on reciprocal opponent/conference participation; a report cannot be assumed.

Spread.Market-first: Arizona -10 reflects Noah Fifita's efficiency (77/95 passing, 834 yds, 7 TD) against a Washington State defense that ranks last in sacks and forced fumbles and gave up 295 rushing yards to K-State, plus a WSU offense that scored 10 and 7 in its two games against power-conference teams. But the line opened at 13.5 at two books and has moved 3.5 points toward WSU, which points to money on the Cougars. Our number is Arizona -5.1 and ESPN's predictor (77%) is roughly the current price. Under first-year coach Kirby Moore, WSU runs well (316 yards against Duquesne; Pinnick has 10 runs of 10+ yards), and Arizona is last in the Big 12 in rushing. Arizona's leading receiver Giovanni Richardson is listed out on our Covers scan, and I could not confirm his status. My lean is WSU at home with double digits, but the move has taken the best of the number and WSU's passing (134 yards per game) is a real limit, so I pass.

Total.Under case: WSU's offense has produced 10 and 7 points against power-conference defenses and throws for 134 yards per game. Arizona's defense allows 17.3 points per game and 75.7 rushing yards per game. WSU is 9-1 to the under in its last 10, our totals model says 46.0, and Pullman at a 4:30 local kickoff will be cool (57-59F). Over case: Fifita is completing 81% of his passes against a WSU defense with no pass rush, so Arizona could reach 30 on its own. WSU's run game found 316 yards against Duquesne, and Arizona's games against FBS teams have totaled 45 and 59. The total has held at 48.5-49, so the market is not moving against the under.

Where our number looks wrong.Our Arizona -5.1 has WSU rated as if its preseason prior (+2.9) still holds. WSU's results against power-conference teams (10-24 at UW, 7-34 at K-State) and its 134 passing yards per game argue for a bigger gap, closer to 8-9.

• WSU 21.7 PPG, 134.3 pass yds/game; Arizona allows 17.3 PPG
• Total 48.5

Spread.The market's strongest explanation for the number dropping from an opening -13.5 to today's -10 is that Washington State bounced back with a 48-7 win over Duquesne last week, and Arizona has real questions at receiver (G. Richardson out for an extended period, S. Brennan and RB C. Warren III both questionable). Against real competition, though, WSU has scored just 7 (at K-State) and 10 (at Washington) points, while Arizona is averaging 31.3 ppg and has a healthy starting QB in Noah Fifita. I like Arizona directionally, but the skill-position injury cluster is enough that laying a full 10 points on the road for a divisional-style game doesn't clear my bar today; I'd need a shorter number to feel good about it.

Total.Arizona is missing or unsure on three skill-position players (Richardson out, Brennan and Warren questionable), and Washington State's offense has produced points almost exclusively against an FCS opponent this year, 17 combined points in its two games against real competition (Washington, Kansas State). Weather is mild (57F, light wind) and not a factor either way. I like the under here more than the ATS side because it doesn't require picking a winner, just projecting reduced offensive efficiency on both sides of a game where neither unit has shown it can consistently move the ball against a real defense.

• Arizona WR G. Richardson is out for an extended period and RB C. Warren III and WR S. Brennan are questionable heading into the Washington State game.