Jones won the belt in March away from Mauricio "Shogun" Rua and though it appeared a fight against Rashad Evans was on the horizon, Jones eventually took time off for a hand injury. Jackson enters this title fight after a decision win over Matt Hamill at UFC 130.
The current fight card is below.
Pay-Per-View Bouts - 9:00 p.m. ET
Jon Jones vs. Quinton "Rampage" Jackson
Matt Hughes vs. Josh Koscheck
Rob Broughton vs. Travis Browne
Nate Diaz vs. Takanori Gomi
Mark Hunt vs. Ben Rothwell
Spike TV Preliminary Bouts - 8:00 p.m. ET
Tony Ferguson vs. Aaron Riley
Tim Boetsch vs. Nick Ring
James Te Huna vs. Ricardo Romero
Cole Escovedo vs. Takeya Mizugaki
Junior Assuncao vs. Eddie Yagin