[15] In 2012, the arena was home to the Ontario Warriors of American Indoor Football but the team folded before the season ended.

On March 11, 2024, the team announced the club would be relocating to Oceanside, California, and rebranding as the San Diego Clippers.

[18] On October 24, 2008, its first event took place in front of a sold-out crowd of 10,316, for an NBA preseason game, where the Los Angeles Lakers defeated the Oklahoma City Thunder 105–94.

Carrie Underwood played the arena's first concert on November 9, 2008, with Little Big Town as her opening act.

[23] American heavy metal band Metallica performed at the arena during their World Magnetic Tour on December 12, 2008, in front of a crowd of 10,959 and filmed part of their music video Broken, Beat & Scarred during the concert and also at the concert at the Save Mart Center in Fresno, California, on December 13, 2008.

[24][25] The arena has also hosted Bill Gaither, Larry the Cable Guy, Vicente Fernández, Sade, Justin Bieber, Earth, Wind & Fire, Chicago, Elton John, The Eagles, Disney on Ice, Playhouse Disney Live, Sesame Street Live, The Harlem Globetrotters, Bob Dylan, Scorpions, Neil Diamond, André Rieu, American Idol Live!, Trace Adkins, Alan Jackson, Pitbull, Dancing With the Stars, Stars on Ice, Ringling Bros. and Barnum & Bailey Circus, Trans-Siberian Orchestra,and other events.

[26] On September 1, 2013, the arena was the site where Mexican singers Joan Sebastian and Ezequiel Peña sang together for the first time ever.

English singer Sade recorded her Bring Me Home Live 2011 DVD at the arena on September 4, 2011.

The first boxing event was on November 28, 2008, with two fights, Chris Arreola vs. Travis Walker and Paul Williams vs. Verno Phillips.

[29] On December 5, 2009, the arena hosted a women's title fight between champion Kina Malpartida and Lyndsey Scragg.

[30] On April 24, 2010, the arena was the venue where Tomasz Adamek defeated Chris Arreola to retain the IBF International Heavyweight Title.

[31] The arena also hosted ESPN Friday Night Fights on July 2, 2010, headlined by Demetrius Hopkins vs. Mike Arnaoutis.

[34] On November 24, 2012, Robert Guerrero successfully defended his interim WBC Welterweight title against Andre Berto at the arena.

The arena also hosts various events of MMA promotion King of the Cage, which has its headquarters in nearby Rancho Cucamonga.