PARADISE ISLAND, Bahamas (AP) - Andrew Wiggins scored 12 of his 17 points in the second half and No. 2 Kansas moved into the semifinals of the Battle 4 Atlantis, downing previously unbeaten Wake Forest 87-78 on Thursday.
Frank Mason scored 13 points and Joel Embiid added 10 for the Jayhawks (5-0), who had a 14-point halftime lead trimmed to four before hanging on in the final minutes.
Kansas will play Villanova on Friday night for a spot in the title game.
Codi Miller-McIntyre scored 20 of his 26 points in the second half for Wake Forest (5-1). The Demon Deacons held Kansas to a season-low 47 percent from the field, but lost forward Devin Thomas after he was ejected for two technical fouls with 7:28 remaining.
No. 5 OKLAHOMA STATE 97, PURDUE 87
LAKE BUENA VISTA, Fla. (AP) - Marcus Smart scored 30 points but Oklahoma State nearly blew a big lead before beating Purdue in the opening round of the Old Spice Classic.
Markel Brown added 25 points for the Cowboys (6-0), who came in averaging 100.2 points and had defeated their first five opponents by an average of 37.8.
Oklahoma State led 52-29 at halftime after going to the foul line 25 times.
Purdue (5-1) got 18 points from Bryson Smith, and Errick Peck added 12. Ronnie Johnson, who was averaging 13.8 points, battled foul trouble and had 10 points.
The Boilermakers stormed back late and pulled to 84-80 on a 3-pointer by Kendall Stephens with 3 minutes left. Brown and Smart made layups to give Oklahoma State a little breathing room.
No. 19 UCLA 105, NEVADA 84
LAS VEGAS (AP) - Jordan Adams and Zach LaVine each scored 21 points to lead UCLA over Nevada in the opening round of the Las Vegas Invitational.
Five players scored in double figures for the Bruins (6-0), who quickly erased an early five-point deficit and built a double-digit lead less than 10 minutes into the game.
UCLA's lead got as high as 19 in the first half, when the Bruins shot 16 of 25 (64 percent) from the field and 17 of 18 at the free throw line. They finished at 60.7 percent from the floor, including 10 of 20 from 3-point range.
It was the second consecutive 100-point game for the Bruins, who beat Tennessee-Chattanooga 106-65 on Sunday. UCLA will play Northwestern on Friday.
Deonte Burton and Jerry Evans Jr. each scored 20 points for Nevada (3-4).
No. 20 CREIGHTON 88, ARIZONA STATE 60
FULLERTON, Calif. (AP) - Doug McDermott scored 27 points, Devin Brooks added 23 and Creighton beat Arizona State in the opening round of the Wooden Legacy.
The Bluejays (5-0) used an early 14-2 run to take control and then put away the Sun Devils with 3-point shooting in the second half.
Arizona State (6-1) shot 39 percent from the field and went a woeful 7 of 18 at the free throw line.
Jahii Carson led the Sun Devils with 15 points. Jermaine Marshall and Richie Edwards scored 12 apiece.
Creighton will play San Diego State in the second round of the eight-team tournament.
No. 21 MEMPHIS 87, SIENA 60
LAKE BUENA VISTA, Fla. (AP) - Joe Jackson scored 18 points, Shaq Goodwin had 17 and Memphis advanced to the semifinals of the Old Spice Classic by beating Siena.
Michael Dixon Jr. added 16 points for Memphis (3-1).
The Tigers' lone loss this season came against Oklahoma State, a game the Cowboys won handily 101-80 on Nov. 19. Memphis could get a rematch in the championship game of this event Sunday if both teams win Friday.
Siena (2-5) got 11 points from Brett Bisping. Leading scorer Rob Poole (15.5 points per game) was held to six on 3-of-15 shooting.
No. 23 IOWA 77, XAVIER 74, OT
Roy Devyn Marble scored 30 points before leaving with a leg injury, and Iowa rallied from a 15-point second-half deficit to beat Xavier in overtime at the Battle 4 Atlantis.
The Hawkeyes (6-0) never led in regulation, but never trailed in overtime.
Zach McCabe scored 11 points, and Gabriel Olaseni had 10 points and 11 rebounds for the Hawkeyes. Aaron White's 10-point night ended with a clutch tip-in with 1:40 left in overtime.
Xavier (5-1) had three 3-point tries all bounce off the rim in the final 10 seconds. Justin Martin led the Musketeers with 15 points.
No. 25 MARQUETTE 86, CAL STATE FULLERTON 66
FULLERTON, Calif. (AP) - Jamil Wilson scored a career-high 24 points and grabbed nine rebounds, and Marquette routed tournament host Cal State Fullerton in the first round of the Wooden Legacy.
Davante Gardner and Jajuan Johnson each had 18 points off the bench for the Golden Eagles, who quickly squashed any hope the Titans had of pulling an upset. Marquette grabbed a double-digit lead just 10 minutes into the game and cruised from there.
The Golden Eagles (4-2) shot 55.7 percent from the field and outrebounded Cal State Fullerton 40-20. They led by as many as 26, allowing backups to play most of the second half.
Michael Williams scored 16 points for Cal State Fullerton (2-4).
Marquette will play George Washington in the tournament semifinals Friday.