The UFC and Spike have agreed to show two live undercard fights for 10 pay-per-view cards this year, and UFC 111 will be the third show of the 10-card deal.
The fights that make the Spike broadcast usually involve fighters who have appeared on Spike's The Ultimate Fighter, and that's the case with UFC 111 as well. Brown was on Season 7 of The Ultimate Fighter, and Diaz was the winner of Season 5.
The full UFC 111 fight card is shaping up like this:
Georges St. Pierre vs. Dan Hardy
Frank Mir vs. Shane Carwin
Ben Saunders vs. Jake Ellenberger
Jon Fitch vs. Brazil Thiago Alves
Jim Miller vs. Mark Bocek
Matt Brown vs. Ricardo Almeida
Rory Markham vs. Nate Diaz
Kurt Pellegrino vs. Fabricio Camoes
Rodney Wallace vs. Jared Hamman
Rousimar Palhares vs. Tomasz Drwal
Matthew Riddle vs. Ricardo Funch