One of its shows at the 2008 Festival Latinoamericano in Provo, Utah set an attendance record with over 1,000 people present at opening night.

Neilson promoted the first UCW-ZERO show, under the banner of American Professional Wrestling, in May 2002 at a local high school after forcefully pushing out previous partners, Early APW/UCW Zero events featured the high flying tag team known as Los Mochis, the athletic standout Blitz, and an arrogant loud mouthed wrestler known as Derrick Jannetty.

Steven Neilson himself would appear as "Stevie Slick" whose in-ring persona is modeled after World Wrestling Entertainment's "Mr.

Notable UCW-ZERO events took place in early February at Centro Civico (the first Mochi-Palooza) and in March at Northridge High School.

[5] During this period, the UCW training school continued to grow and develop, producing an influx of new talent such as Martin Casaus, Kahn Kushion, and Tyson Ferrari.

In early 2004, UCW Zero standout Blitz faced the biggest challenge of his young career when he squared off against multiple time TNA champion "The Phenomenal" AJ Styles.

Martin Casaus (then known as Tristan Gallo) became the first Ultra X champion by defeating GQ X, Derrick Jannetty, and Paco in a double elimination fatal four-way match.

In the main event, Blitz avenged his earlier loss by defeating AJ Styles in a re-match to their first encounter held at the beginning of the year.

Within five years, UCW-Zero was able to build a strong following in the region and eventually expanded into Arizona, Colorado and California as well holding shows as far as Chicago and West Virginia.

In one of the first major shows promoted at the coliseum, ECW alumni Sabu and the Public Enemy entered the UCW ring to take on Derrick Jannetty, Paco, and Kahn Kussion.

[6] In 2006, the UCW locker room continued to grow with fresh faces Dallas Murdock, Cassidy, Guerrero Azteca, Radical Ricky, Kid Kade, and Devan Payne entering the ranks.

At the event, Los Mochi Paco and Guerrero Azteca teamed with Konnan to face the heel faction of Blitz and JMB.

In January 2007, UCW-Zero held a major event at Salt Lake City's Fight Coliseum which featured a championship tournament where Los Mochi Paco, Jeff Orcut, “Mr.

The main event saw UCW-Zero Heavyweight Champion Tristan Gallo (Martin Casaus) successfully defend his title against David Young.

Steve Neilson, then in a kayfabe feud with newly appointed commissioner Stan the Man, was forced to participate in the battle royal opening the show.

[8] In 2007, the promotion also left AWA Superstars to join the National Wrestling Alliance and began co-promoting shows with NWA Pro.

One of these events was headlined by a match up pitting former WWE tag team champion Rob Conway against Martin Casaus (then known as Tristan Gallo).

Casaus, then holding the UCW Championship, continued to defend the belt against a number of worthy challengers from across the United States during the summer and fall of that year.

Also during the summer, UCW originals Paco and Blitz formed a tag team to take on challengers from Fusion Pro Wrestling in Denver, Colorado.

Martin Casaus was a routine competitor on the NWA television show, taking on Lance Cade and Trevor Murdoch, Kahn Kussion, and TJ Perkins.

After a very impressive showing, Martin's dream of winning a contract with WWE was eliminated after he fractured his ankle and was forced to leave the competition.