Texas Tech beat Arizona 34-26 on Saturday, October 31, 2026, at Jones AT&T Stadium in Lubbock, as Thomas Castellanos made a winning first start at quarterback for the Red Raiders and J'Koby Williams sealed a top-25 showdown with a 64-yard touchdown run in the final minutes. The win lifted No. 14 Texas Tech to 7-1 overall and 4-1 in Big 12 play, while No. 21 Arizona fell to 6-2, ending a five-game winning streak in a game both teams entered at 6-1.

Castellanos, starting in place of Will Hammond, threw for 144 yards and two touchdowns and ran for 117 yards and another score, giving Texas Tech a dual-threat dimension it had been missing. Arizona quarterback Noah Fifita threw for 417 yards, but the Wildcats managed almost nothing on the ground, and their final drive was stopped by a third-down sack before Williams broke free to settle the game.

Key Points

• No. 14 Texas Tech beat No. 21 Arizona 34-26 on Saturday, October 31, 2026, at Jones AT&T Stadium in Lubbock.
• Thomas Castellanos, in his first start for Texas Tech, threw for 144 yards and two touchdowns and ran for 117 yards and a touchdown.
• J'Koby Williams finished with 223 total yards, including the game-sealing 64-yard touchdown run with about two minutes left.
• Noah Fifita threw for 417 yards for Arizona, including a 94-yard touchdown to Isaiah Mizell, who finished with 182 receiving yards.
• Texas Tech improved to 7-1 overall and 4-1 in the Big 12; Arizona fell to 6-2, with its five-game winning streak ended.

What Happened

Arizona struck first with a 35-yard field goal from Michael Salgado-Medina, but Castellanos answered on his first drive as a Texas Tech starter. The Red Raiders went 75 yards, converting a fourth down on a Castellanos scramble, and Castellanos found Terrance Carter Jr. for a 24-yard touchdown. Castellanos completed three of six passes for 48 yards on that drive and added 15 yards on the ground, and Texas Tech led 7-3 at the end of the first quarter after a defensive stand that allowed just one first down apart from a 55-yard Fifita pass to Giovanni Richardson.

Arizona took control before halftime. With 10:02 left in the second quarter, Fifita rolled away from pressure on third and 12 and found Mizell racing up the sideline for a 94-yard touchdown. The Wildcats then consumed seven minutes and seven seconds on a 15-play, 89-yard drive, helped by a pass-interference call on fourth and two, and Kedrick Reescano scored from five yards out. A 29-yard Stone Harrington field goal ended a four-drive scoreless stretch for Texas Tech, but Arizona led 17-10 at the break.

The second half belonged to Castellanos and Williams. Texas Tech opened the third quarter with another 75-yard, 13-play drive, exactly matching its first possession, and Castellanos tied the game with an eight-yard keeper behind the left side of the line. Arizona answered with a Reescano touchdown from the one, but the extra point was blocked, leaving the Wildcats ahead 23-17. Texas Tech then went for it on fourth and two at the Arizona 27 and took a shot at the end zone, where Castellanos hit Kenny Johnson for a 27-yard touchdown and a 24-23 lead at the end of the third quarter.

A 42-yard field goal stretched the lead to 27-23 after a Johnson punt return for a touchdown was wiped out by a holding penalty. Texas Tech's next two drives ended with a fumble and a punt, but the defence held when it mattered most. Arizona took over at its own 33 with 4:29 left, gained nothing on two plays, and then A.J. Holmes Jr. sacked Fifita on third down. On third and one near the two-minute timeout, Williams took a carry up the middle and turned it into a 64-yard touchdown, making it 34-23. Arizona added a late field goal and tried an onside kick with 22 seconds left, but Texas Tech recovered to close out a 34-26 win.

Background and Context

The quarterback change was the story before kickoff, and it shaped the game from the first snap. Castellanos, a transfer who previously played at Florida State, had featured in five games for Texas Tech before Saturday, splitting time with Hammond and throwing only a handful of passes. Head coach Joey McGuire confirmed before the game that Castellanos would start, saying the veteran would help the running game while still giving the offence chances to throw downfield, and the plan worked almost exactly as drawn up: Castellanos ran for 117 yards, threw two touchdown passes, and kept Arizona's defence honest on every snap.

The result also mattered for the Big 12 race. Both teams entered the game at 6-1 overall and 3-1 in conference play, with Texas Tech ranked 14th and Arizona 21st in the coaches poll after the Red Raiders' 37-24 loss at Cincinnati the previous week. Arizona arrived on a five-game winning streak behind Fifita, who had been one of the most efficient passers in the conference, and the Wildcats' running game had been a strength all season. On Saturday, though, Arizona managed just 12 net rushing yards as a team in the box score, a remarkable figure that forced Fifita to carry the offence through the air and left the Wildcats one-dimensional when Texas Tech's pass rush found its rhythm late.

For Texas Tech, the win was also a response to a difficult fortnight. McGuire had accepted blame after the Cincinnati defeat for failing to simplify the game for Hammond, and offensive coordinator Mack Leftwich had shared that responsibility, noting that Castellanos had been unavailable for two weeks before Hammond's best game of the season against Arizona State. The decision to turn to Castellanos on Saturday was therefore a gamble on experience and mobility, and it paid off in the game's biggest moments: the fourth-down scramble on the opening drive, the keeper to tie the game, the fourth-down touchdown throw to Johnson, and the poise to keep the offence moving after the fumble and the negated punt return.

Texas Tech Beats Arizona: The Run Game Decides a Top-25 Game

The box score tells the story of the game in one contrast. Texas Tech's rushing attack, led by Castellanos with 117 yards and Williams with 223 total yards, produced explosive plays at every stage, while Arizona's ground game disappeared. Fifita completed 33 of 45 passes for 417 yards and a touchdown, and Mizell caught seven passes for 182 yards, but the Wildcats could not run the ball, could not protect a lead, and could not convert when the game was decided in the fourth quarter. Even the 94-yard touchdown, the longest play of the day, was a pass, and Arizona's other scores came through the air or on short fields.

Williams was the difference-maker in the end. His 27-yard run flipped the field on the drive that produced the go-ahead touchdown, and his 64-yard sprint on third and one was the kind of play that ends a game rather than merely extending a drive. Texas Tech's defence deserves equal credit: after giving up 17 first-half points, it allowed only a blocked-extra-point touchdown in the third quarter, stopped Arizona cold on its final meaningful possession, and produced the sack that gave Williams his chance. The Red Raiders' special teams also played a part, with Harrington's field goals keeping the scoreboard ticking when drives stalled.

Reactions and Quotes

The local broadcast's verdict was that Texas Tech stood tall in an important game for the Big 12 race, and the numbers backed that assessment. McGuire's pregame explanation for the quarterback change, that Castellanos would help the rushing attack while still offering downfield shots, was borne out almost literally: the Red Raiders ran for the game's decisive yards and threw for two touchdowns, and Castellanos accounted for three scores in total. Arizona's frustration was visible in the fourth quarter, when a promising drive died on an incompletion, a run for no gain and a sack, and the Wildcats never got the ball back with a chance to tie.

Around the conference, the result reshuffles the pecking order behind the Big 12 leaders. Texas Tech, now 7-1, has put itself firmly in the conference title conversation, while Arizona, now 6-2, must regroup quickly to keep its own hopes alive. The Red Raiders return home next week to host West Virginia, a game that now carries real momentum, while Arizona faces the task of fixing a running game that vanished on the road in Lubbock.

Why It Matters

Texas Tech beats Arizona matters because it answers the question that has followed the Red Raiders all season: whether their offence can win a big game without relying on one quarterback or one plan. The answer on Saturday was yes, and it came from a player who had barely played. Castellanos's performance gives McGuire a genuine choice at quarterback for the run-in, and it gives the rest of the Big 12 a new problem to prepare for, because Texas Tech can now hurt opponents on the ground from the quarterback position as well as through its running backs.

It also matters for the College Football Playoff picture. A top-25 win over a 6-1 opponent, achieved on a day when several ranked teams stumbled, strengthens Texas Tech's resume at exactly the moment the selection committee begins to separate contenders from pretenders. For Arizona, the defeat is not fatal, but it removes the margin for error: the Wildcats can no longer afford another loss if they want to stay in the conference race, and their inability to run the ball against a good defence is now a known weakness that every remaining opponent will test.

What Happens Next

Texas Tech hosts West Virginia next week, back at home in Lubbock, with the quarterback question now a strength rather than a worry. The coaching staff must decide whether Castellanos keeps the starting job outright or whether Hammond returns to a shared role, and the answer will shape the offence's identity for November. Either way, the Red Raiders have shown they can win a physical, back-and-forth game against a ranked opponent, and that confidence will travel with them into the final stretch.

Arizona, meanwhile, must find its running game again and protect Fifita better on third down. The Wildcats still have a prolific passing attack, and Mizell's 182-yard day showed that no secondary can contain their receivers for four quarters, but a team that cannot run for more than a handful of yards will always be vulnerable in close games. How quickly Arizona corrects that will determine whether Saturday in Lubbock was a blip or the start of a slide.

Frequently Asked Questions

What was the final score of Texas Tech vs Arizona? Texas Tech won 34-26 on Saturday, October 31, 2026, at Jones AT&T Stadium in Lubbock.

Who started at quarterback for Texas Tech? Thomas Castellanos, in his first start for the Red Raiders, replacing Will Hammond. He threw for 144 yards and two touchdowns and ran for 117 yards and a touchdown.

What sealed the game for Texas Tech? J'Koby Williams's 64-yard touchdown run on third and one with about two minutes left, making it 34-23 after Arizona had been stopped on its previous drive.

How did Noah Fifita play for Arizona? Fifita completed 33 of 45 passes for 417 yards and a touchdown, including a 94-yard score to Isaiah Mizell, but Arizona managed almost no rushing yardage as a team.

What are the teams' records now? Texas Tech improved to 7-1 overall and 4-1 in the Big 12, while Arizona fell to 6-2, ending a five-game winning streak.

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