LAS VEGAS — UNLV’s response to its worst home loss of Mountain West play will not be measured by emotion Friday night in Reno. Josh Pastner wants to see whether the Rebels can keep their structure when the game stops going according to plan.

That was one of the biggest problems in Tuesday’s 89-61 loss to New Mexico. UNLV lost Tyrin Jones to a shoulder injury on the opening possession, saw a game plan built partly around his interior presence immediately disrupted and never adjusted well enough to recover. The offense became stagnant, the defense lost some of its organization and the Rebels trailed by 19 at halftime.

Pastner called the performance a bad game “all the way around” and took responsibility for not adjusting quickly enough after Jones went down. Two days later, his message had shifted toward one word: connectivity.

That will be tested Friday against a Reno team built differently from UNLV. The Rebels want to create disruption, generate steals and use those stops to play faster. Reno has been more comfortable operating through repetition, protecting the basketball and creating offense without needing the game to become chaotic.

For a UNLV team coming off consecutive home losses, the challenge is proving its structure can survive when the first option disappears.

Pastner also used Thursday’s availability with reporters to address discussion surrounding comments he made earlier in the week about rebuilding the atmosphere around UNLV basketball. He pushed back on a headline tied to an article that he believed misrepresented those comments, saying narratives can sometimes be created “out of thin air” when a headline prioritizes attention over context.

His larger point remained unchanged. Pastner believes rebuilding the program and restoring the environment around it will take time, and he does not believe that responsibility should be placed on fans.

“It’s our responsibility to win,” Pastner said. “If we win enough, they’re gonna come back.”

That puts Friday back where Pastner wants the focus. UNLV cannot depend on rivalry energy, fan expectations or anything surrounding the game to solve its problems. The Rebels have to put a better product on the floor.

UNLV enters 10-10 overall and 5-4 in the Mountain West after losing to San Diego State and New Mexico at the Thomas & Mack Center. The Rebels have been better away from Las Vegas, going 4-2 on the road, but they are entering a stretch that leaves little room for extended inconsistency.

After Friday’s trip to Reno, UNLV travels to Fresno State before returning home for Grand Canyon and San Jose State. Road games at Boise State and San Diego State remain, along with home meetings against Reno and Utah State.

The immediate concern is figuring out why the structure that had produced wins at San Jose State and Utah State disappeared so quickly against New Mexico.

UNLV entered Tuesday intending to establish the interior immediately. Its first offensive action went inside, and the defensive plan was designed with Jones providing weak-side rim protection behind the initial coverage.

Jones injured his shoulder on the opening possession.

Pastner initially believed the freshman might be able to return. When it became clear that he could not, UNLV had already started losing its shape. The Rebels committed 11 first-half turnovers, struggled to move the basketball and repeatedly allowed offensive mistakes to influence their defensive execution.

Pastner acknowledged afterward that he needed to respond sooner once the personnel changed.

“I should have done a better job,” he said.

That becomes important against Reno because Friday’s game will inevitably create situations UNLV did not script. There will be missed shots, foul trouble, defensive adjustments and stretches when the Rebels cannot create the transition opportunities they prefer.

UNLV has to prove the offense can remain connected when those problems arrive.

The statistical contrast explains why.

UNLV averages 78 points while allowing 77.3, leaving the Rebels with a plus-0.7 scoring margin. They shoot 31.1% from 3-point range and 68.1% from the free-throw line while averaging 8.5 steals and 4.4 blocks. Their plus-1.4 turnover margin reflects how much of their best basketball has been built around disruption.

Reno averages 76.3 points while allowing 70.6, a plus-5.7 scoring margin. The Wolf Pack shoot 38.6% from 3-point range and 76.1% at the free-throw line, commit only 9.4 turnovers per game and hold a plus-2.4 turnover margin. They also carry a plus-2.2 rebounding margin.

UNLV wants opponents uncomfortable. Reno is comfortable repeating the same successful possession.

That difference makes ball security particularly important. The Rebels cannot assume they will create enough turnovers to offset their own mistakes because Reno rarely gives possessions away. If UNLV commits early live-ball turnovers, it removes one of its easiest ways to create transition offense while allowing the Wolf Pack to remain in their preferred half-court structure.

The same issue applies defensively. Reno does not need a chaotic game to create scoring opportunities.

Pastner highlighted Corey Camper Jr., Tayshawn Comer and Elijah Price while discussing how the Wolf Pack operate. Camper gives Reno shooting and spacing, Comer organizes the offense and Price provides an interior presence that can stabilize possessions around the basket.

That combination allows Reno to remain patient. If UNLV overhelps, the Wolf Pack have enough shooting to punish the rotation. If the Rebels stay home on shooters but lose an individual matchup, Reno can continue working inside. The offense does not need to manufacture a different answer every trip.

For UNLV, that increases the importance of staying connected through the entire possession.

Jones’ availability could significantly affect how Pastner handles that challenge.

Pastner said Jones is day-to-day with the shoulder injury and indicated the issue is not expected to end his season. His return will depend largely on his range of motion. Jones previously injured the same shoulder during the summer, an injury Pastner said cost the freshman months of development.

Even when Jones is not producing large offensive numbers, his presence gives UNLV rim protection, rebounding and energy around the basket. Losing him on the first possession against New Mexico changed the Rebels’ defensive structure immediately.

His availability also affects UNLV offensively because of another issue opponents have increasingly targeted: spacing.

Jones is not a perimeter shooting threat, while Kimani Hamilton can shoot from outside but is most comfortable operating closer to the basket. When UNLV plays multiple paint-oriented players together, opponents have increasingly loaded the lane and challenged the Rebels to beat them from the perimeter.

San Diego State did it. New Mexico did it again.

That is where players such as Naas Cunningham can become more important. Pastner credited Cunningham for providing an offensive lift late against New Mexico, and Jones’ absence could create additional minutes for lineups with more shooting.

The tradeoff is that spacing only creates an advantage if those shots are converted, while removing interior players can create new concerns with rebounding and rim protection.

Pastner has to determine which combination gives UNLV the best chance to maintain enough balance to function at both ends.

That lineup question becomes more significant against a Reno team whose strongest combinations have been sustainable. The Wolf Pack can build around the Comer-Price pairing and surround it with enough shooting to preserve spacing without dramatically changing how they want to play.

UNLV does not have the same luxury.

The Rebels’ best basketball depends more heavily on forcing discomfort. They need ball pressure to create transition opportunities, rebounds that allow them to run and enough collective movement offensively to prevent the floor from shrinking.

When those things disappear, the margin becomes thin quickly.

The 3-point line could expose that difference. Reno enters shooting 38.6% from beyond the arc compared with UNLV’s 31.1%. The Rebels cannot afford to create additional rhythm opportunities through unnecessary help or late defensive rotations.

UNLV also needs to protect the basketball from the opening possession. Reno’s 9.4 turnovers per game suggest the Wolf Pack are unlikely to provide enough mistakes for UNLV to survive a sloppy offensive night of its own.

The glass and free-throw line provide another pressure point. Reno rebounds consistently and converts 76.1% of its free throws, giving the Wolf Pack two reliable ways to accumulate points without needing an exceptional shooting stretch. UNLV has to prevent those small advantages from developing into the type of slow separation that becomes difficult to overcome on the road.

Most importantly, Pastner wants the ball to move.

He described UNLV as selfish in the first half against New Mexico because the ball stopped once the offense encountered resistance. Players tried to solve possessions individually, spacing deteriorated and the Rebels made an organized defense easier to guard.

Reno is equipped to punish the same approach.

Friday also comes with the emotional layer that accompanies any meeting between UNLV and Reno, but Pastner’s message has been that rivalry intensity cannot replace execution. The Rebels still have to defend, rebound, make connected offensive reads and respond correctly when something goes wrong.

That is why Friday represents a useful test of the rebuild.

UNLV has already shown several different versions of itself during Mountain West play. The Rebels have won an overtime game against Boise State, controlled San Jose State on the road and erased a 14-point deficit to win at Utah State. They have also been blown out at Wyoming and New Mexico and failed to finish a winnable game at Colorado State.

The difference between those performances has often been how long UNLV remains connected when its initial plan stops working.

Tuesday provided the most extreme example. Jones went down immediately, the structure changed and the Rebels never recovered.

Reno gives them another chance three days later.

UNLV does not have to play a perfect game, and Pastner has made clear that being connected does not guarantee a victory. What it does is give the Rebels a chance to survive the moments that have turned several games against them.

An early whistle cannot become three disconnected possessions. A missed shot cannot become a defensive breakdown. A compressed floor cannot turn into hero ball. A Reno run cannot make UNLV abandon the way it wants to play.

Those responses are what Pastner is trying to build into the program.

Friday will not define the entire season, but it should provide a clear measure of where that process stands.

Reno is built to punish teams that lose their shape.

UNLV now has to show that when something breaks, the rest of its structure no longer has to break with it.