UFC newcomers Chris Weidman and Reuben Duran have been called up as late replacements for the "UFC on Versus 3"

Event: UFC on Versus 3: "Sanchez vs. Kampmann"
Date: Thursday, March 3, 2011, at 9 p.m. ET on Versus
Location: KFC Yum! Center in Louisville, Kentucky
Main event:

170 lbs.: Martin Kampmann vs. Diego Sanchez
Main card (Televised):

185 lbs.: C.B. Dollaway vs. Mark Munoz
185 lbs.: Chris Weidman vs. Alessio Sakara
135 lbs.: Brian Bowles vs. Damacio Page
Under card (May not be broadcast):
155 lbs.: Shane Roller vs. Thiago Tavares
135 lbs.: Takeya Mizugaki vs. Reuben Duran
185 lbs.: Dave Branch vs. Rousimar Palhares
145 lbs.: Eric Koch vs. Cub Swanson
205 lbs.: Cyrille Diabate vs. Steve Cantwell
155 lbs.: Joe Stevenson vs. Danny Castillo
205 lbs.: Todd Brown vs. Igor Pokrajac
155 lbs.: Rob Kimmons and Dongi Yang
All fights officially confirmed by UFC.com.