The visiting Oakland Grizzlies left Gallagher-Iba Arena with a 56-55 upset victory over the Cowboys on Friday.
Kalib Boone made a layup and 1 of 2 free throws and Keylan Boone made a 3-pointer and two foul shoots in successive possessions and Oklahoma State (2-1) led 24-8 with 5:54 before halftime.
The Cowboys led 38-15 at halftime before the Panthers went on a 15-0 run to start the second half as four different players scored to cut the deficit to eight.
Later, Rondell Walker made a 3 for a 45-33 Cowboys lead with 12:38 left and Oklahoma State led by double figures for the remainder. Twelve players scored for Oklahoma State.
Drell Roberts scored 27 points for the Panthers (0-4) and Dewayne Cox 11.
Texas lands nation's top available college basketball transfer in former Iowa State guard Tyrese Hunter
Former Iowa State guard Tyrese Hunter, the nation's top available transfer, announced his commitment to Texas on Friday.
'You want that opportunity': Current men's college basketball coaches on why they transferred as players
Some of the top coaches in men's college basketball were transfers. As more players than ever have entered the portal, Myron Medcalf asks these coaches about their decision to switch schools.
Texas Tech Red Raiders land five-star men's basketball recruit Elijah Fisher, who will reclassify into 2022 class
Five-star small forward Elijah Fisher committed to Texas Tech on Thursday, choosing Mark Adams' program over a final list that included Kentucky, Louisville and Memphis. The Canada native also announced he would reclassify into the 2022 class.