INDIANAPOLIS — Derrick Walton Jr. scored 26 points and Michigan made 16 3-pointers Friday to hold off Oklahoma State 92-91 in the first round of the Midwest Regional.

The seventh-seeded Wolverines (25-11) set a school record for 3s in an NCAA Tournament game. They have won six straight — five since a frightening plane mishap on the way to last week’s Big Ten Tournament.

Juwan Evans scored 23 points to lead the 10th-seeded Cowboys (20-13), who finished the season with four consecutive losses.

It looked like that streak might end Friday after Oklahoma State opened the second half on a 12-5 run to take a 52-46 lead.

But Michigan charged back with a relentless 3-point barrage, taking a 62-61 lead on Walton’s 3 with 12:26 left making three more 3s in a 14-4 run that made it 76-68.

The Cowboys never led again.

D.J. Wilson had 19 points and four blocks for the Wolverines. Zak Irvin and Muhammad-Ali Abdur-Rahkman each had 16.

Jeffrey Carroll had 19 points for Oklahoma State while Phil Forte added 12 points and Leyton Hammonds had 10.

Louisville 78, Jacksonville State 63

INDIANAPOLIS — Mangok Mathiang scored 18 points and Deng Adel added 16 Friday to help second-seeded Louisville pull away from Jacksonville State 78-63 in the first round of the Midwest Regional.

The Cardinals (25-8) have won five straight opening round games. Louisville was making its first postseason appearance since 2015 after sitting out last year because of a one-year, school-imposed postseason ban for alleged recruiting violations.

Norbertas Giga scored 30 points for 15th-seeded Jacksonville State (20-15), which was one of a record five teams making their first tourney appearance.

And it was a bigger challenge than most expected.

But after trailing for the first 13 minutes, the Cardinals finally took the lead with an 8-2 late in the first half. It closed the half on a 9-4 spurt then opened the second half on 10-2 run to make it 48-33. Louisville led by double digits most of the rest of the game.

KANSAS 100, UC DAVIS 62

TULSA, Okla. — Frank Mason III scored 22 points and had eight assists as top-seeded Kansas won its opening game of the NCAA Tournament for an 11th straight year with a 100-62 victory over UC Davis on Friday night.

Freshman Josh Jackson, making his return after a one-game suspension for an accumulation of embarrassing incidents, added 17 points on 8-of-12 shooting for the Jayhawks (29-5).

The win ensures top seeds will remain perfect since the tournament expanded, with the schools now 132-0 against No. 16 seeds.

Five players finished in double figures for Kansas, with Svi Mykhailiuk and Devonte’ Graham adding 16 points each and Landen Lucas 13.

Chima Moneke scored 20 points to lead the 16th-seeded Aggies (23-13), who were in their first NCAA Tournament. Brynton Lemar added 17 and Siler Schneider 10 in the loss.

North Carolina 103, Texas Southern 64

GREENVILLE, S.C. — Justin Jackson broke out of a shooting slump with 21 points to help top-seeded North Carolina roll past Texas Southern 103-64 on Friday in the first round of the NCAA Tournament’s South Region.

The Atlantic Coast Conference player of the year had made just 20 of 60 shots (33 percent) and 7 of 31 3-pointers (23 percent) in his last four games. But he had 19 points by halftime in this one, helping the Tar Heels (28-7) quickly eliminate any chance of an unprecedented upset.

Jackson, a 6-foot-8 junior, finished 8 of 13 from the field and 5 of 8 from 3-point range with seven rebounds.

Isaiah Hicks added 17 points and Kennedy Meeks had 13 for the Tar Heels, who are a No. 1 regional seed for an NCAA-record 16th time.

Kevin Scott scored 19 points to lead the 16th-seeded Tigers (23-12), the champions of the Southwestern Athletic Conference.

Duke 87, Troy 65

GREENVILLE, S.C. — Grayson Allen had 21 points off five 3-pointers, Jayson Tatum had 18 points and 12 rebounds, and second-seeded Duke continued its perfect postseason with an 87-65 victory over Troy in the NCAA Tournament on Friday night to start the East Region.

The Blue Devils (29-7) became the first team to win four games on the way to the Atlantic Coast Conference Tournament crown last week. They kept up that pace in blowing past the 15th-seeded Trojans (22-15).

Duke will take on either No. 7 seed South Carolina or No. 10 seed Marquette and its coach, former Blue Devils point guard and assistant Steve Wojciechowski, on Sunday.

The Blue Devils improved to 34-7 all-time in openers and put this one out of reach early with their 3-point shooting.

Jordon Varnado had 18 points to lead Troy, which made its first NCAA appearance since 2003.