Omon was also a member of the Seattle Seahawks, New York Jets, San Francisco 49ers, Cleveland Browns and Denver Broncos.
However, he learned he had a half-brother during the latter part of 2010, who was a defensive tackle for the San Diego Chargers, Ogemdi Nwagbuo.
Nwagbuo has since been released by the Chargers and signed by the Carolina Panthers, while Omon has moved on to the Denver Broncos practice squad.
Along with this brother, Omon has also discovered Nwagbuo's full siblings Gerald and Darlene, the latter of whom is a volleyball player for Boise State.
Xavier rumbled for 160 yards on 22 carries against Pittsburg State at the annual Fall Classic at Arrowhead Stadium.
As the team's 3rd string back, he saw very limited action during the regular season, only amassing 6 carries for 5 yards.
[4] On September 29, 2010, the New York Jets signed Omon to their practice squad following the departure of running back Chauncey Washington.
[9] After participating in the team's Summer 2011 training camp and preseason games, Omon was released by 49ers on September 3, 2011.
After amassing 36 yards rushing and a touchdown on 8 carries in the 2012 NFL Preseason,[12] Omon was waived by the Broncos on August 27, 2012.