NCAAM
Elite Eight Saturday — March 28, 2026
Saturday · 2-Game Slate · South & West Regionals · ARBITER V4.0
✓ O4 Clean (2/2)
⚠ No POTD
Lean-Only Slate
❄ IOW/ILL Total — Verify
🛡 LEAN-ONLY SLATE: Zero official bets. No play qualifies for TIER C — ORACLE sub-MEDIUM on the closest candidate (Arizona -5.5 at LOW 57%). No POTD is better than a forced POTD. No bet is better than a forced bet. Capital is protected.
⚡ Quick Reference Card
Full Play Card — Elite Eight Saturday
LEAN
Arizona -5.5 vs Purdue · 8:49 PM
0.5u
MED 62% / LOW 57%
LEAN
Under 138.5 Iowa/Illinois · 6:09 PM
0.5u
MED 63% ORACLE
CEO
Illinois -6.5 (CORTEX MH 64%) OR Iowa +6.5 (ORACLE LOW 60%) — choose one
0.5-1.0u
PASS
Purdue/Arizona total (engine split + SportsLine conflict)
0u
Near-Consensus Lean — Arizona -5.5
Purdue vs Arizona · SAP Center, San Jose CA · West Regional
Arizona Wildcats -5.5
8:49 PM ET · Sat Mar 28
MED 62% LOW 57%
0.5u — Lean Only
★ ARI #3 DeFG% (44.9%) controls paint★ ARI #6 OOR% dominates glass★ Model: ARI by ~7, spread 1.43 pts below⚠ Purdue 17-21 ATS this season⚕ CJ Cox (PUR) knee — monitor warmups
CORTEX V5.0 — #2 PLAY
MED 62%
Arizona’s #3 DeFG% controls Purdue’s paint attempts. #6 OOR% dominates the glass vs Purdue’s below-average #21 DOR%. Free throw rate (#25 OFT%) manufactures scoring Purdue’s defense cannot prevent. Model projects ARI by ~7.
ORACLE V4.0 — #5 PLAY
LOW 57%
Purdue’s counter-threats are real: Fletcher Loyer 53.5% from three last 6 games, Braden Smith’s playmaking creates structural opportunities. Purdue’s 17-21 ATS record (historically poor cover team) moderates conviction. Arizona is the right side — but LOW prevents official status.
Iowa vs Illinois — Engine Split
⚡ Engine Split — Iowa/Illinois Spread · Line Moved -5.5 → -6.5 (Sharp ILL Action)
CORTEX V5.0 — TOP PLAY
Illinois -6.5
MH 64% · Edge 6/10
Illinois #1 AdjO (131.2) faces Iowa’s #31 defense. Iowa’s primary weapon (DTO% #14) structurally neutralized by ILL being dead last (#365) in turnovers. ILL #3 OOR% creates second-chance volume. Model gap +2.45 pts. Regular season ILL won at Iowa City by 6.
ORACLE V4.0
Iowa +6.5
LOW 60%
Iowa beat 1-seed Florida and 4-seed Nebraska as underdogs this tournament. Cinderella identity is real. Sharp line move from -5.5 to -6.5 signals ILL money but buying a point against a documented tournament-resilient team is a concern. Stirtz’s cold trend (15/61 from 3 last 7) is Iowa’s primary risk.
🎲 LUCK SCORES: Illinois -.050 and Iowa -.061 — both teams are better than their records suggest. The 6.5-point spread is being contested by two programs whose underlying quality is closer than the market implies.
Leans — 0.5u each
Arizona -5.5 vs Purdue · 8:49 PM
0.5u · MED 62%
Near-consensus · ORACLE LOW prevents upgrade
Under 138.5 Iowa/Illinois · 6:09 PM
0.5u · MED 63%
⚠ VERIFY LINE (138.5 vs 137.5) · ORACLE primary engine
CEO Discretion — 2 Items
Iowa/Illinois Spread — Choose One Side
Illinois -6.5 · 6:09 PM — CORTEX Top Play at MH 64%. #1 AdjO faces #31 defense, Iowa’s DTO% structurally neutralized, model gap +2.45 pts. Regular season ILL won by 6 in Iowa City. 0.5-1.0u if CEO accepts CORTEX’s structural dominance over ORACLE’s Cinderella narrative.
Iowa +6.5 · 6:09 PM — ORACLE LOW 60%. Beat Florida and Nebraska as tournament underdogs. Luck score -.061 (better than 21-12 record). Folgueiras buzzer-beater mentality is real. 0.5u if CEO accepts the live underdog case. Choose one side only.
Trap Alerts
⚠ Trap Alerts — Both Games
Illinois -6.5 — Public money follows the Houston upset narrative. But Iowa’s luck score (-.061) means they’re materially better than 21-12. Both teams having high negative luck = gap is closer than the line implies. Bidirectional trap.
Purdue/Arizona Over — Arizona’s 109-point game vs Arkansas inflates public perception. That included garbage-time inflation against an inferior opponent. A competitive game against Purdue’s experienced grinders will not reproduce that output. Engine split + SportsLine conflict = PASS.
ARBITER Commentary
Capital Protection
Leanest Slate of the Season — Zero Official Bets
Both games feature genuine analytical tension where the engines diverge meaningfully. Forcing capital into contested markets would violate the core principle. The Iowa/Illinois game is particularly tight — two teams with high negative luck scores meeting at a line that moved a full point toward chalk. The Purdue/Arizona total is the most analytically contested market on the slate: CORTEX Over (LOW 56%), ORACLE Under (LOW 56%), SportsLine Over — three sources, two directions, identical confidence. ARBITER correctly passes both totals.
Pre-Game Items
2 Items Before First Tips
(1) Verify Iowa/Illinois total at book of record (138.5 vs 137.5) before 6:09 PM ET. Under lean holds at either number. (2) Monitor CJ Cox (Purdue, knee) pre-game warmup mobility. If visibly limited, Arizona -5.5 lean strengthens in CEO’s assessment.
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