The McKale Memorial Center in Tucson, Arizona, was buzzing on Saturday evening as No. 16 Texas Tech stormed into hostile territory and delivered one of the most dramatic upsets of the 2025-26 college basketball season, toppling No. 1 Arizona 78-75 in overtime. The Big 12 showdown, broadcast live on ESPN and witnessed by a national audience, more than lived up to the hype. For Arizona, the loss marked a second straight defeat after starting the season with 23 consecutive wins, sending shockwaves through the college basketball landscape and raising questions about the Wildcats’ ability to weather adversity as the postseason looms.
Texas Tech (19-6, 9-3 Big 12) arrived in Tucson riding high from a 78-44 rout of Colorado earlier in the week. Yet, facing a Wildcats squad that had only just lost their first game of the season to Kansas, the Red Raiders were pegged as 9.5-point underdogs. Few outside of Lubbock expected coach Grant McCasland’s group to leave with a win, let alone a signature victory that would reverberate across the sport. But this is a Texas Tech team that’s grown accustomed to defying expectations, and Saturday night was no exception.
In a game that saw both teams battle fatigue, adversity, and the pressure of national scrutiny, the Red Raiders’ resilience stood out. Arizona (23-2, 10-2 Big 12) seemed poised to escape with a win, building a 64-57 lead with just over three minutes remaining in regulation. But Texas Tech’s never-say-die attitude, honed through a season of close games and tough opposition, came to the fore. The Red Raiders clawed their way back, forcing overtime in front of a raucous, sold-out crowd.
Overtime belonged to JT Toppin. The sophomore forward was nothing short of spectacular, pouring in 31 points and grabbing 13 rebounds while playing 44 minutes. He scored eight points in the extra period and collected a crucial offensive rebound with just six seconds left—an effort that all but sealed the outcome. Toppin’s stat line was historic: according to ESPN Research, he became the first player in over 20 seasons to post 30 points, 10 rebounds, and zero turnovers against a No. 1-ranked team. He’s also only the second player in AP poll history to record a 30-point double-double in a road win over a No. 1 team. “We just told ourselves we just got to stay together,” Toppin told ESPN’s Kris Budden. “Because it’s a large crowd in here. We can’t let them get going. And we said we were going to win on defense and we executed.”
Christian Anderson, Toppin’s backcourt partner and fellow Wooden Award Top 20 candidate, was equally instrumental. Anderson logged all 45 minutes, finishing with 19 points and eight assists. His poise under pressure and ability to orchestrate the offense were vital, especially as the Red Raiders leaned on a short rotation. Donovan Atwell, one of the nation’s most efficient three-point shooters, didn’t lead the scoring this time but continued to provide floor spacing and defensive grit. LeJuan Watts and freshman Jaylen Petty chipped in with key contributions, helping Texas Tech withstand Arizona’s late surges.
Arizona’s night was marred by misfortune. Star freshman Koa Peat, a linchpin of the Wildcats’ frontcourt, suffered a lower body injury in the first half and did not return. Already without freshman Dwayne Aristode due to illness, Arizona was forced to rely on a six-man rotation for the remainder of the game. The lack of depth showed in the closing minutes, as the Wildcats’ offense sputtered and Texas Tech’s defense tightened the screws. Despite out-rebounding Texas Tech by just two—their smallest margin of the season—Arizona shot only 39% from the field, marking just the second time all year they failed to reach 40% shooting.
National reaction to the upset was swift and effusive. “JT Toppin with 31 points and 13 boards as Texas Tech goes to Tucson and knocks off No. 1 Arizona at McKale,” tweeted Jeff Goodman. Ryan Mainville called it a “season-defining win,” while Matt Norlander declared, “One of the best wins of THE SEASON by Grant McCasland’s Texas Tech Red Raiders. Outmuscles Arizona, giving the Wildcats a second straight loss, with a 78-75 win in OT.” The victory was Texas Tech’s third all-time over a top-ranked opponent and the latest in a string of high-profile wins this season, including triumphs over Duke and Houston.
For Arizona, the defeat stings. The Wildcats, who entered the week as the last unbeaten high-major team, now find themselves looking for answers after consecutive losses. Head coach Tommy Lloyd faces the challenge of rallying his squad for a tough stretch ahead, with BYU and Houston looming on the schedule. The status of Koa Peat will be closely monitored, as his presence is critical to Arizona’s hopes of regaining momentum in the Big 12 race.
The implications of Saturday’s result extend beyond the immediate aftermath. With Arizona’s stumble, No. 2 Michigan is poised to ascend to the top of the AP Top 25 when the new poll is released. No. 3 Houston, meanwhile, now sits alone atop the Big 12 standings. For Texas Tech, the win is a massive boost to their NCAA tournament résumé. According to CBS Sports Bracketology, the Red Raiders are projected to remain a No. 4 seed but could climb higher thanks to this metric-moving result. They now boast six Quad 1 wins—matching their six Quad 1 losses—and have proven they can beat the nation’s best on any given night.
Saturday’s thriller also underscored the evolution of Grant McCasland’s program. Once criticized for defensive lapses early in the season, Texas Tech has transformed into a gritty, hard-nosed unit capable of out-toughing even the most talented opponents. “This team is so different than it was early in the season. Early they don’t want to defend, looked soft. Now this team defends and out toughed Arizona down the stretch. Program win for Grant McCasland,” observed analyst Sean Paul. The Red Raiders’ culture of resilience, forged through battles in the Big 12 and a challenging non-conference slate, is now paying dividends.
As the dust settles in Tucson, one thing is clear: Texas Tech’s victory over Arizona was more than just an upset—it was a statement. The Red Raiders, led by a transcendent performance from JT Toppin and a cast of battle-tested teammates, have announced themselves as legitimate contenders on the national stage. With March fast approaching, both teams will look to regroup and refocus, but for now, the college basketball world can only marvel at one of the season’s defining moments.