LONG BEACH — If what happened during the first eight-plus minutes of the second half Saturday is any indication of how good the Long Beach State men’s basketball team can be, the rest of the teams in the Big West Conference might be in trouble.

Down by four points at halftime, the 49ers began the second half with a dazzling 30-0 run on their way to a 99-74 victory over UC Davis before 2,119 at Walter Pyramid.

The 49ers were only down by four at the break because of freshman Travis Hammonds, who came off the bench to score 16 of his team-high 20 points in 12 minutes. Hammonds, who made 7 of 9 shots, also finished with four assists with some sweet passing in the paint.

Tyler Lamb did not score in the first half, but he finished with 16 points. Mike Caffey had 17 points and seven assists. David Samuels also had a fine game, with 10 points and 10 rebounds. McKay LaSalle scored nine points, Dan Jennings had eight points and seven rebounds and A.J. Spencer scored eight points.

Long Beach State (5-11, 1-1) shot 55.9 percent from the field, and 83.3 percent from the free-throw line. The 49ers went into the game shooting 39.2 percent from the field and 62.8 percent from the free-throw line.

49ers coach Dan Monson entered the media room afterward and spoke as if he almost couldn’t believe what he had seen.

“These guys did some things today I’ve never had a team do that were unbelievable,” he said. “I’ve been (coaching) 30 years and I’ve never had a team in any kind of DII, anything, and have a 30-0 run. To sustain that against somebody is really hard to do.

“I mean, that’s a lot of stops, a lot of not giving up offensive rebounds, a lot of making the next right play.”

Monson raved about Hammonds, a 6-foot-6 wing who didn’t even practice Friday because he spent all day at student orientation.

“He’s got an innate feel for the game of basketball,” Monson said of Hammonds, who has been with the team for just five games. “He’s getting more comfortable now. When you have a sense for the game, you’re just making the right plays.”

Like Lamb, Caffey didn’t do much in the first half, scoring just four points. Caffey was asked how the 49ers were able to run the Aggies out of the arena in the second half.

“I think we just picked up our pace,” he said. “Just playing Long Beach State basketball, getting up and down the court and getting stops.”

Had Caffey ever been part of a 30-0 run?

“No,” he said.

Had Hammonds?

“Never,” Hammonds said.

And again, it was Hammonds who kept his team afloat in the first half. When he entered the game, Long Beach was struggling and trailing 16-8. He immediately hit a 3-pointer and scored seven of the 49ers’ next nine points.

“Just come in and hit shots,” said Hammonds of his thoughts when he went in. “Play hard, play good defense and do what I can to help the team pick up a win.”

Hammonds looked ultra-calm when making several step-back jumpers.

UC Davis (5-12, 0-2), which was missing one of its top players in 6-foot-9 senior forward Josh Ritchart, got a game-high 21 points from Ryan Sypkens, who made 6 of 10 shots from 3-point range. Corey Hawkins added 19 points for the Aggies, who shot 53.6 percent in the first half but just 36 percent in the second to close at 45.3 percent.

Long Beach, which will next play at UC Santa Barbara on Thursday, led by as many as 29 points (99-70) with 1:45 to play. Fans really wanted the 49ers to hit the century mark, but they couldn’t make anymore baskets. They had the ball with about 25 seconds to play, but Monson instructed his players to back off and run out the clock.