Dez Wells gave the floor a hard slap, and No. 2 Duke certainly felt it. It knocked the Blue Devils out of the Atlantic Coast Conference...

GREENSBORO, N.C. — Dez Wells gave the floor a hard slap, and No. 2 Duke certainly felt it.

It knocked the Blue Devils out of the Atlantic Coast Conference tournament early — and maybe off the No. 1-seed line for the NCAA tournament, too.

Wells scored a career-high 30 points and Maryland upset Duke 83-74 on Friday night in the ACC tournament quarterfinals.

Wells was 9 of 13 from the field and 10 of 10 from the free throw line to lead the seventh-seeded Terrapins (22-11), who delivered the first big shocker of the week in Greensboro and advanced to the semifinals for the first time since 2009.

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“You have to be good and be lucky to beat a great team. We’re a little bit of both,” Maryland coach Mark Turgeon said. “Watching them play tonight, I think they fully expected to win that game and that’s a good feeling when you have such a young basketball team to play on such a big stage in such a big game and to play with the poise that they played tonight.”

They never trailed, held the league’s best three-point-shooting team to 4 of 25 from beyond the arc and bolstered their NCAA tournament credentials by beating Duke for the second straight time.

“One of the things during this time of the year … is that if you lose, it’s final,” coach Mike Krzyzewski said. “Our team did not feel that. And now we have to understand that that’s the way it is. I mean, if you don’t do it, it’s done.”

Mason Plumlee had 19 points to lead the second-seeded Blue Devils (27-5).

Wisconsin tops Michigan

CHICAGO — Ben Brust scored 11 of his 14 points in the second half and No. 22 Wisconsin knocked off sixth-ranked Michigan 68-59 in the Big Ten tournament quarterfinals on Friday.

Traevon Jackson had 16 points for the Badgers (22-10), who will play top-seeded Indiana in the semifinals on Saturday. Ryan Evans added 12 points, six rebounds and six assists.

Trey Burke had 19 points and seven assists for Michigan (26-7), but the Big Ten player of the year was 8 for 22 from the field. Tim Hardaway Jr. shook off a leg injury in the first half and finished with 14 points and nine boards.

Wisconsin finally found its shooting stroke in the second half, putting together a 10-0 run to take a 29-24 lead with 15:09 to go.

Big East tournament

No. 19 Syracuse advanced to the championship game in New York with a 58-55 overtime victory over No. 5 Georgetown in the final conference clash of their storied heavyweight rivalry. In the title game, Syracuse will face No. 4 Louisville, which beat No. 24 Notre Dame 69-57 in the other semifinal. Peyton Siva, the former Franklin star, had 12 points for Louisville.

Big Ten Tournament

Cody Zeller scored 24 points and grabbed nine rebounds to lead No. 3 Indiana past Illinois 80-64 in a quarterfinal. Indiana will face Wisconsin in Saturday’s semifinals in Chicago.

• No. 8 Michigan State earned a rugged 59-56 victory over Iowa in the quarterfinals. Iowa will have to sweat out a nervous Selection Sunday, while the Spartans will play No. 10 Ohio State on Saturday. The Buckeyes routed Nebraska, 71-50, in another quarterfinal.

ACC Tournament

Shane Larkin scored 20 points to help No. 9 Miami withstand an early scare and beat Boston College, 69-58, in the quarterfinals in Greensboro, N.C. Miami advanced to a semifinal matchup on Saturday with North Carolina State, which beat Virginia 75-56.

P.J. Hairston scored 21 points to help North Carolina beat Florida State, 83-62, and advance to a semifinal matchup with Maryland on Saturday.

Big 12 Tournament

Perry Ellis scored a career-high 23 points, and No. 7 Kansas pulled away in the second half to beat Iowa State 88-73 in Kansas City, Mo., and reach the final. The Jayhawks will face rival No. 11 Kansas State, which beat No. 14 Oklahoma State 68-57 in the other semifinal behind Rodney McGruder’s 25 points.

SEC Tournament

Derrick Millinghaus made a driving basket with 1.1 seconds left Friday as Mississippi rallied from a 14-point, second-half deficit to beat Missouri, 64-62, in the quarterfinals. Mississippi’s semifinal opponent will be Vanderbilt, which beat Kentucky 64-48 in the quarterfinals, putting the Wildcats’ hopes of reaching the NCAA tournament in serious doubt.

• Erik Murphy scored a career-high 27 points and grabbed a career-best 12 rebounds to help No. 13 Florida past LSU, 80-58 in the quarterfinals. Florida’s semifinal opponent will be Alabama, which beat Tennesse 58-48.