De'Vion Harmon scored 20 points and Lamar Washington established career bests of 13 points and five steals as host Texas Tech knocked off No. 12 Kansas State 71-63 on Saturday at Lubbock, Texas.

Jaylon Tyson added 11 points and Kevin Obanor scored 10 as the last-place Red Raiders (13-12, 2-10 Big 12) won for just the third time in the past 13 games.

Markquis Nowell recorded 18 points and four steals for Kansas State (19-6, 7-5), which dropped its ninth consecutive game in Lubbock. Desi Sills added 12 points and Nae'Qwan Tomlin had 10 for the Wildcats, who are just 4-5 after a 15-1 start.

Kansas State leading scorer Keyontae Johnson had just nine points on 3-of-11 shooting.

Texas Tech shot 41.8 percent from the field, including 7 of 25 from 3-point range.

The Wildcats shot just 35.2 percent and were 6 of 26 from behind the arc. Kansas State committed 23 turnovers while the Red Raiders had 18.

Texas Tech never trailed in the second half and used a late 8-0 burst to separate from the Wildcats.

Tyson's tip-in gave the Red Raiders a 64-61 edge with 1:27 remaining and Harmon added a driving hoop with 44 seconds left. Obanor made four straight free throws to boost the advantage to 70-61 with 28 seconds remaining and Texas Tech closed it out.

Harmon scored back-to-back baskets to give the Red Raiders a 43-35 lead with 14:04 remaining in the game.

Kansas State answered with six consecutive points to move within two. But Texas Tech received a three-point play from KJ Allen and a 3-pointer from Washington while scoring seven of the next 10 points to hold a 50-44 lead with 10:06 left.

Nowell hit two free throws to pull the Wildcats within 52-51 with 8:19 remaining. But Kansas State committed its 19th turnover on its next possession when Washington stole the ball and fed Harmon for a layup with 7:50 left.

D'Maurian Williams tacked on a 3-pointer to give the Red Raiders a 57-51 lead with 6:32 left.

Johnson later buried a 3-pointer as Kansas State crept within 60-59 with 3:58 to play. The Wildcats again came up empty while trying to move ahead when Johnson missed a layup.

Harmon made two free throws with 3:08 left to give the Red Raiders a three-point edge. Nowell hit two free throws to cut the Kansas State deficit back to one with 2:15 to play.

Harmon scored nine points during a half-ending 12-3 run as Texas Tech led 33-26 at the break.

--Field Level Media