| Date | Transaction |
| 02-28-1993 | Omar Esparza has retired from football. |
| 09-07-1992 | The Las Vegas Chivas have waived Omar Esparza. |
| 08-05-1991 | The Las Vegas Chivas have moved Brian Edwards, Joe Dupre, Bruno Kranz, Dean Morse, John Brock, Sammy Miller, Swede Sowells, Rex Fiore, Diron Francis, Kevin Netherton, Ed Schaum, Ralph Oden, Cliff Reinhard, Max Studaway, Craig Frazier, Jim Kiick, and Ed McKetes to the active roster. The Las Vegas Chivas have moved Alberto Coyote, Hijin Cardenas, Max Woog, Everaldo Begines, Omar Esparza, Noe Zarate, Claudio Suarez, Camilo Romero, Jaime Pajarito, Jim Spragan, Jamaicon Villegas, Jose Luis Real, Gabriel Lopez Zapiain, Demetrio Madero, Victor Rangel, and Octavio Muciño to the inactive roster. |
| 09-03-1990 | The Las Vegas Chivas have moved Omar Esparza to the active roster. The Las Vegas Chivas have moved Cliff Reinhard to the inactive roster. |
| 08-06-1990 | The Las Vegas Chivas have moved Jair Garcia, Cliff Reinhard, David David, Jeff Gates, Jerry Goodspeed, Ray Robinson, Norberto Collie, and Jake Thomas to the active roster. The Las Vegas Chivas have moved Octavio Muciño, Gerardo Mascareno, Omar Esparza, Bofo Bautista, Ray Abrams, Noe Zarate, Sergio Lugo, Guillermo Sepulveda, and Nacho Vazquez to the inactive roster. |
| 12-23-1984 | Omar Esparza of the Las Vegas Chivas is injured with a hip contusion and is expected to be out for approximately 7 days. |
| 09-05-1983 | The Las Vegas Chivas have changed Fred Young's name to Omar Esparza. |
| 08-08-1983 | The Las Vegas Chivas have moved John Brown, Fred Young, Aaron Word, Dave Mahalic, Paco Jara, Earl Noa, and Arch Scott to the active roster. The Las Vegas Chivas have moved Gern Cone, Guameru Garcia, Bobby Krueger, George Evans, George Marshall, Brad Johnson, Cadaver Valdez, Jason Lenon, and Jerry Washington to the inactive roster. |
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