2026 NCAA tournament betting, lines, odds: Michigan, Illinois open as favorites in Final Four

The No. 1 seed Michigan Wolverines have looked impressive throughout the 2026 NCAA Tournament, winning every game by at least 13 points, including a 95-62 demolition of No. 6 Tennessee in the Elite Eight on Sunday afternoon to advance to the Final Four.

There, they will meet fellow No. 1 seed Arizona, which beat No. 2 seed Purdue 79-64 on Saturday despite trailing by seven points at halftime. The Wolverines opened as slight 1.5-point favorites at BetMGM in Game 2 of Saturday’s Final Four, with a total of 157.5.

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If the line holds, it would be the first time the Wildcats have been underdogs since they were a 5.5-point dog in Houston on Feb. 21. Arizona won that game 73-66.

The other Final Four game will see surprise 2-seed UConn — which stunned No. 1 Duke on Sunday 73-72 as a 4.5-point underdog thanks to a last-second 3-pointer from Braylon Mullins — faces No. 3 Illinois. The Fighting Illini were impressive in pulling away in the second half in a 71-59 win over No. 9 Iowa.

Illinois opened as a 2.5-point favorite against UConn, but early line moves pushed it to -1.5 for Illinois, with a total of 139.5. The Fighting Illini are a perfect 4-0 ATS in the tournament.

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Duke was the +300 favorite to win the national title before the tournament, but Arizona (+165) is now the favorite, followed by Michigan (+180). UConn has the longest odds of any team at +550.