WACO, Texas — Pierre Jackson had 28 points and 10 assists as Baylor took an 81-58 victory over Kansas on Saturday to keep the fourth-ranked Jayhawks from the outright Big 12 men’s basketball title.

Cory Jefferson added 25 points for Baylor (18-13, 9-9 Big 12), combining his usual powerful dunks with his first three career 3-pointers.

Even after their worst loss in seven years, Kansas (26-5, 14-4) will still be the No. 1 seed for next week’s conference tournament in Kansas City, and now has at least a share of the past nine Big 12 regular-season titles.

The Jayhawks had won the previous four outright, but have to share this one with rival Kansas State.

Ben McLemore had 23 points for Kansas.

No. 1 Gonzaga 66, Loyola Marymount 48: In Las Vegas, Elias Harris had 21 points and eight rebounds to lead Gonzaga in the semifinals of the West Coast conference tournament.

Kevin Pangos added 14 points, and Kelly Olynyk had eight 8 points and eight rebounds for the Zags (30-2).

Anthony Ireland led Loyola Marymount (11-23) with 19 points.

No. 3 Duke 69, North Carolina 53: In Chapel Hill, N.C., Seth Curry hit his first seven shots during Duke’s torrid start and finished with 20 points.

Mason Plumlee had 23 points and 13 rebounds for Duke (27-4, 14-4 Atlantic Coast).

Duke scored the game’s first 14 points, never let North Carolina (22-9, 12-6) closer than nine and led by 25 points after halftime.

No. 5 Georgetown 61, No. 17 Syracuse 39: In Washington, Georgetown used stifling defense to close its Big East rivalry against Syracuse and earn a share of regular-season conference title.

Markel Starks scored 19 for the Hoyas (24-5, 14-4).

Syracuse (23-8, 11-7) was led by Michael Carter-Williams’ 17 points.

No. 6 Miami 62, Clemson 49: In Coral Gables, Fla., Kenny Kadji had 23 points and 12 rebounds to help the Hurricanes (24-6, 15-3) win the Atlantic Coast Conference championship.

Clemson fell to 13-17, 5-13.

No. 8 Louisville 73, No. 24 Notre Dame 57: In Louisville, Ky., Gorgui Dieng had 20 points, 11 rebounds and five blocks to help Louisville earn a share of the Big East title.

Peyton Siva added 13 points and five assists in his final home game for the Cardinals (26-5, 14-4).

Garrick Sherman led Notre Dame (23-8, 11-7) with 14 points.

Air Force 89, No. 12 New Mexico 88: In Air Force Academy, Colo., Todd Fletcher hit a 3-pointer with 3.5 seconds remaining for Air Force (17-12, 8-8 Mountain West).

Tony Snell’s 3-point attempt from the right wing clanged off the iron as time expired, snapping an eight-game winning streak for the Lobos (26-5, 13-3).

No. 13 Oklahoma State 76, No. 9 Kansas State 70: In Stillwater, Okla., Le’Bryan Nash scored 24 points, Marcus Smart added 21 for Oklahoma State (23-7, 13-5 Big 12).

McGruder led the Wildcats (25-6, 14-4 12) with 22 points.

No. 15 Marquette 69, St. John’s 67, OT: In New York, Vander Blue’s driving shot fell through the rim as the overtime buzzer sounded, giving Marquette a share of the Big East title.

Blue had 16 points, including four of Marquette’s six in overtime, for the Golden Eagles (23-7, 14-4).

No. 16 Saint Louis 78, La Salle 54: In St. Louis, Dwayne Evans had 16 points and 17 rebounds and Saint Louis hit 17 of its 20 shots in a pull-away second half, clinching a share of the Atlantic 10 Conference championship.

Kwamain Mitchell had 19 points and six assists for Saint Louis (24-6, 13-3).

Tyrone Garland had 15 points off the bench for La Salle (21-8, 11-5).

No. 18 Arizona 73, Arizona State 58: In Tucson, Ariz., Nick Johnson scored 17 points, Solomon Hill added 12 as Arizona earned a first-round bye in next week’s Pac-12 tournament.

Kevin Parrom had 13 points for Arizona (24-6, 2-6).

Arizona State fell to 20-11, 9-9.

Utah 72, No. 19 Oregon 62: In Salt Lake City, Jason Washburn had 20 points and 13 rebounds, and Jarred DuBois added 15 points for Utah (13-17, 5-13).

E.J. Singler had 21 points and seven rebounds for Oregon (23-8, 12-6).

No. 23 UCLA 61, Washington 54: In Seattle, Shabazz Muhammad scored 21 points as UCLA clinched the Pac-12 Conference regular-season title.

Muhammad scored 14 in the second half for UCLA (23-8, 13-5 Pac-12).

Scott Suggs had 14 points for Washington (17-14, 9-9).

No. 25 Memphis 86, Alabama-Birmingham 71: In Memphis, Tenn., Joe Jackson had 17 points, 10 assists, nine rebounds and six steals for Memphis.

Chris Crawford scored 20 points for Memphis (27-4, 16-0 Conference USA).

Jordan Swing led the Blazers (15-16, 7-9) with 19 points.