UFC on Versus 1: Vera vs. Jones was a mixed martial arts event held by the Ultimate Fighting Championship on March 21, 2010 in Broomfield, Colorado, United States at the 1stBank Center. This event was the UFC's debut on Versus.
Jon Jones
Brandon Vera
Junior dos Santos
Gabriel Gonzaga
Cheick Kongo
Paul Buentello
Alessio Sakara
James Irvin
Clay Guida
Shannon Gugerty
Vladimir Matyushenko
Eliot Marshall
Darren Elkins
Duane Ludwig
John Howard
Daniel Roberts
Brendan Schaub
Chase Gormley
Mike Pierce
Julio Paulino
Jason Brilz
Eric Schafer