Michael Barnett flipped a weighted baseball into his hand and threw it against the side of the strength-training room next to UCLA’s clubhouse.

Jostling through folding tables, water coolers, television stands and a postgame news conference podium, he resumed his starting pitcher routine, as he would for any start, moving inside the weight room to stretch his right arm with resistance bands.

The junior right-hander’s pregame obstacle course — navigating university staffers, media and more — before trotting down to the bullpen, was outside of the ordinary. Friday afternoon at Jackie Robinson Stadium was different — from the energy on the concourse to the noise from the dugouts and ultimately, the power from the Bruins’ bats.

Hosting its first regional since 2019, national No. 15 seed UCLA posted season highs for hits and runs in a dominant, 19-4 victory over regional No. 4 seed Fresno State.

“It wasn’t the cleanest game — it didn’t feel like the cleanest game,” said UCLA coach John Savage, “but at the end of the day, at this time of the year, you win any way you can and certainly we did that today. So it was a good win.”

A six-run, seventh-inning sent the Bulldogs unknowingly waving a white flag. UCLA first baseman Mulivai Levu’s line drive off the left-field wall cleared the loaded bases to provide the Bruins with a 12-2 lead. Fresno State’s nine players dejectedly walked off the field, as if they’d been walked off in a mercy-rule defeat.

But the field crew reminded the Bulldogs that in the NCAA tournament, no matter how many runs you trail by, both teams play nine innings. The Bruins still had seven more runs to score in the eighth inning Friday.

It wasn’t Big Ten player of the year Roch Cholowsky — the 20-year-old who dreamed of Omaha when he chose the Bruins over entering the MLB draft — who led the offensive barrage that gave UCLA a 4-0 lead in the first inning. The middle of the UCLA lineup helped produce a rally as they had all year.

UCLA’s Dean West makes contact during the Bruins’ blowout win over Fresno State on Friday.

(Carlin Stiehl / Los Angeles Times)

Levu — who led the Bruins in regular-season RBI with 74 and led UCLA with five RBI against Fresno State — singled into left field to start the rally. Cleanup hitter Roman Martin brought home the first run of the game with a single into left. Payton Brennan and Blake Balsz (who tallied his third-career, three-hit game) connected for back-to-back RBI base hits, solidifying a lead as the Bulldogs awaited the walk back to the dugout for a mid-inning reprieve.

“The nice part about today is I was just trying to simplify everything and trust that my teammates are gonna pick me up,” Balsz said.

Before Fresno State starting pitcher Jack Anker knew it, UCLA strung together four runs in the blink of an eye, creating distance against the Mountain West champions they never made up.

Martin connected for a third-inning solo home run — his seventh of the year — while Balsz joined his teammate with multiple RBI after a run-scoring single a few batters later.

“One of the huge things we talked about, one of our offensive goals is to score first, and that’s really a huge momentum shift for us,” Martin said. “It definitely kind of took a little bit off, especially during our first playoff game, kind of eased us into it a little bit.”

UCLA tagged Anker for six earned runs and 10 hits across five innings, holding the Bulldogs junior who entered the game averaging 10.5 strikeouts-per-nine innings to just two punchouts. The two strikeouts were the second-fewest Anker forced against an opposing team this season.

UCLA pitcher Michael Barnett delivers during the first inning Friday.

(Carlin Stiehl / Los Angeles Times)

Barnett’s outing on the mound was an obstacle much like his routine before toeing the Jackie Robinson Stadium mound. The sinkerballer struggled with command against the Bulldogs, throwing just 40 strikes among 74 pitches, and lasted just 4⅓ innings before UCLA coach John Savage pulled Barnett with runners on the corners and one out in the fifth.

Southpaw Chris Grothues, a junior in his first season of high-leverage pitching opportunities, broke Barnett out of the inherited jam with a 3-6-1 double play to end the inning. Grothues then spun a scoreless sixth — placing the Bruins in cruise control for the rest of the contest, earning the victory.

“They did a really good job against Barnett,” Savage said, adding that he felt lucky to be up 6-2 entering the seventh. “Our bullpen did a nice job. Grothues came in, got that double play. That was a big play — the 3-6-1 — that was a big momentum swing.”

Cholowsky, who also led the nation in wins-above-replacement with 6.36, according to D1Baseball, still collected two hits Friday.

Leadoff hitter Dean West was hit by a pitch three times by Bulldog pitchers, the last of which brought home a run to make it 9-2 in the bottom of the seventh.

Brennan hit a two-run home run in the eighth, while catcher Cashel Dugger also pulled a solo home run over the right-field wall for the Bruins’ 15th run.

UCLA advances to the winner’s bracket where it’ll face the winner of the UC Irvine-Arizona State game late Friday. The Bruins split midweek season series against both the Anteaters and the Sun Devils.