The press conference will be streamed live from Braun's Bar & Grill in Denver, the site of UFC 135 where Jones will make his first title defense against Rampage on September 24.
Jones, who is celebrating his 24th birthday today, took the title from Mauricio "Shogun" Rua at UFC 128 in March. Jackson is coming off back-to-back wins over Matt Hamill at UFC 130 and Lyoto Machida at UFC 123.
Follow Kid Nate on Twitter for live updates from the press conference and watch the live video right here on Bloody Elbow after the jump.
More UFC 135 Coverage from SB Nation
Here's the card as we know it so far:
Jon Jones vs. Quinton Jackson
Diego Sanchez vs. Matt Hughes
Nate Diaz vs. Takanori Gomi
Norifumi Yamamoto vs. Damacio Page
Ben Rothwell vs. Mark Hunt
Travis Browne vs. Rob Broughton
Tony Ferguson vs. Aaron Riley
James Te Huna vs. Ricardo Romero