Dez Wells gave the floor a slap, and No. 2 Duke certainly felt it in Greensboro, N.C.
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’ 9-of-13 shooting from the field and 10-of-10 free-throw accuracy helped the seventh-seeded Terrapins (22-11), who delivered the first big shocker of the week in Greensboro and will play third-seeded North Carolina today in their first semifinal appearance since 2009.
No. 9 Miami 69, Boston College 58: Shane Larkin scored 20 points and Miami (25-6) pulled away to beat Boston College (16-17) in the quarterfinals of the ACC tournament.
No. 19 Syracuse 58, No. 5 Georgetown 55, OT.: Brandon Triche scored the go-ahead basket early in overtime as Syracuse (26-8) advanced to the Big East title game in the final conference clash of their storied heavyweight rivalry with the Hoyas (25-6).
No. 3 Indiana 80, Illinois 64: Cody Zeller scored 24 points and grabbed nine rebounds to lead Indiana (27-5) past Illinois (22-12) in the Big Ten quarterfinals.
No. 22 Wisconsin 68, No. 6 Michigan 59: Ben Brust scored 11 of his 14 points in the second half as Wisconsin (22-10) knocked off Michigan (26-7). Traevon Jackson had 16 points for the Badgers, who will play top-seeded Indiana in the semifinals today.
No. 7 Kansas 88, Iowa State 73: Perry Ellis scored a career-high 23 points for Kansas (28-5), which pulled away in the second half to beat Iowa State (22-11) and reach the Big 12 tournament title game against Kansas State in Kansas City, Mo.
No. 8 Michigan State 59, Iowa 56: Adreian Payne had 18 points and 10 rebounds, leading Michigan State (25-7) to a rugged victory over Iowa (21-12).
No. 10 Ohio State 71, Nebraska 50: DeShaun Thomas and Sam Thompson had 19 points apiece, helping Ohio State (24-7) rout Nebraska in the Big Ten quarterfinals.
No. 13 Florida 80, LSU 58: Erik Murphy scored a career-high 27 points and grabbed a career-best 12 rebounds to help Florida (25-6) beat LSU in the SEC tournament.
No. 15 New Mexico 60, San Diego State 50: Tony Snell scored 17 points, including five 3-pointers, to lead New Mexico (28-5).
No. 16 Saint Louis 72, Charlotte 55: Dwayne Evans scored 25 points for top-seeded Saint Louis (25-6) in the quarterfinals of the Atlantic 10 tournament.
No. 20 Memphis 85, Tulsa 74: Chris Crawford scored 30 points as Memphis (29-4) reached the Conference USA title game against Southern Mississippi.
No. 25 VCU 82, Saint Joseph’s 79: Treveon Graham scored 17 points as VCU (25-7) beat Saint Joseph’s in the quarterfinals of the Atlantic 10 tournament.
Big Sky tournament: Davion Berry scored 25 points and Kyle Tresnak’s basket with 19 seconds left broke a late tie as Weber State defeated North Dakota, 76-74, in the semifinals. The Wildcats (26-5) will face Montana (24-6), which beat Northern Colorado, 70-56.