LUBBOCK, Texas — Kansas clinched a share of the Big 12 Conference regular season championship Wednesday. No one seemed to notice.

The Jayhawks received no trophy. They didn’t celebrate. They didn’t feel like the top team in the Big 12. How could they? Kansas suffered an embarrassing 84-65 defeat to Texas Tech, the 11th place team in the Big 12, at United Spirit Arena.

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Kansas Basketball vs. Texas Tech

The Jayhawks were stunned Wednesday night as they suffered an unthinkable 84-65 defeat at the hands of the Red Raiders.

“Yeah, I’m ecstatic,” Kansas coach Bill Self said sarcastically. “I told our guys, ‘Yeah, congratulations, we win our league and get beat by 19.’”

But by virtue of Missouri’s 73-64 victory against Oklahoma at Mizzou Arena, Kansas is assured the No. 1 seed in the Big 12 Conference tournament next week in Oklahoma City. Kansas (25-5, 13-2) can also win the Big 12 outright with a victory against Texas Saturday at Allen Fieldhouse.

The Jayhawks were not interested in discussing that. Why would they be? A disastrous effort from the entire team enabled Texas Tech to win only its third Big 12 game of the season.

“Everybody was just kind off of their mark tonight,” sophomore center Cole Aldrich said.

Junior guard Sherron Collins, who averaged 25.5 points in two games last week, went 3-for-19 from the field for 11 points. Aldrich, who averaged 14 rebounds per game in the last four games, recorded only three rebounds to go with eight points against the Red Raiders.

Sophomore guard Brady Morningstar failed in his assignment of guarding Texas Tech’s Alan Voskuil, who had a career-high 35 points and nine three-point shots on his senior night. Self and freshman forward Marcus Morris ruined Jayhawk comeback attempts in the second half with technical fouls.

On a night where the Kansas women’s basketball team recorded the biggest victory of coach Bonnie Henrickson’s career at Kansas — a 69-45 victory against No. 5 Baylor — Self suffered possibly his worst defeat.

“We had no post presence inside. We had nobody else making shots. Our whole team, collectively, played very, very poor all around,” Self said. “Coaching, execution, everything was poor. They whipped us in every capacity.”

It was Kansas’ third straight defeat at United Spirit Arena. A building Self has never won in with the Jayhawks. But their defeats in 2005 and 2007 came down to the final possessions.

Wednesday, the Red Raiders started to saddle up and ride off into the sunset immediately. That part wasn’t anything unusual for the Jayhawks.

Like their last two road games at Kansas State and Oklahoma, Kansas followed its road routine at the beginning of the first half by falling behind by double digits immediately. The Red Raider lead got as large as 18 points when Voskuil made two free-throws with four and a half minutes remaining to make the score 39-21.

Voskuil eluded Kansas defenders — particularly Morningstar — like a crafty firefly throughout the first half and made four three-point shots.

“They made a lot of tough shots,” Morris said. “It felt like they were perfect from the three-point line.”

In addition to Voskuil’s 9-for-15 performance from beyond the arc, Texas Tech went 15-for-27 as a team. Kansas was only able to limit the long-range onslaught for a nine-minute stretch from the end of the first half to the middle of the second.

Not coincidentally, that’s when Kansas got back in the game. The Jayhawks trimmed the lead to 43-41 when Collins converted on a layup in traffic. They got an opportunity to tie the game for the first time on the next possession.

But Aldrich missed a layup and Morningstar, who went 1-for-7 from the field for three points, bricked a three-point attempt. From there, the Jayhawks’ chances spiraled away.

The two technical fouls didn’t help. Self received his for arguing with an official over a call with 12 minutes remaining. Texas Tech extended its lead to 54-43 when Voskuil made both free throws awarded.

Kansas cut it to a two-possession game at 60-54 with eight minutes remaining. That’s when Marcus disagreed with a personal foul call on him and got a technical of his own. Texas Tech made all four free throws resulting from Marcus’ personal and technical fouls. Texas Tech 64, Kansas 54. Game over.

“You should never get a ‘T.’ I deserved my ‘T,’” Self said. “I don’t know what the official said Marcus did.”

So the Jayhawks suffered their biggest defeat of the season, but still won their fifth consecutive Big 12 title. Don’t blame them for their lack of excitement.

“To us, it doesn’t mean anything,” Aldrich said, “until we play well Saturday.”

— — Edited by Andrew Wiebe