Jackson's first professional MMA fight was on September 9, 2001 against Jake Shields in the Gladiator Challenge 6: Caged Beasts. Jackson has fought in The Ultimate Fighting Championship, Kage Kombat, IFC, King of the Cage, Ultimate Athlete, World Extreme Cagefighting, Gladiator Challenge, Ring Of Honor, and Total Combat. Jeremy Jackson lost to Nick Díaz in UFC 44: Undisputed. He competed as a welterweight on The Ultimate Fighter 4 on Spike TV, but was sent home before having a chance to fight after violating the rules of the show.
Despite being ejected from the tournament, Jackson fought Pete Spratt in the fourth season finale of The Ultimate Fighter. Jackson was submitted in the second round due to a neck injury.
On June 30, 2008, Jackson was arrested and taken into custody by the Ventura County Sheriff's Office. He was charged with multiple counts of aggravated rape and is currently being held on $1 million bail.
|Win||10-5||Hector Carrilo||TKO (Injury)||TC 19 - Total Combat 19||03/31/2007||1||N/A|
|Loss||9-5||Pete Spratt||Submission (Neck Injury)||The Ultimate Fighter 4 Finale||11/11/2006||2||1:11|
|Win||9-4||Christian Vargas||Submission (Rear Naked Choke)||TC 10 - Total Combat 10||10/15/2006||1||3:56|
|Win||8-4||Mark Moreno||Submission (Rear Naked Choke)||ROH 1 - Ring of Honor 1||11/22/2003||1||1:30|
|Loss||7-4||Nick Diaz||Submission (Armbar)||UFC 44: Undisputed||09/26/2003||3||2:04|
|Loss||7-3||Nick Diaz||TKO||IFC WC 18 - Big Valley Brawl||07/19/2003||1||4:17|
|Win||7-2||Kenny Stevens||TKO||FFC 6- No Love||07/11/2003||3||1:50|
|Win||6-2||Shonie Carter||Decision (Unanimous)||WEC 6 - Return of a Legend||03/27/2003||3||5:00|
|Win||5-2||Nick Diaz||TKO (Punches)||UA 4 - King of the Mountain||09/28/2002||1||0:49|
|Win||4-2||Mike Penalber||TKO (Punches)||UA 4 - King of the Mountain||09/28/2002||1||N/A|
|Win||3-2||Zach Light||TKO (Punches)||UA 4 - King of the Mountain||09/28/2002||2||N/A|
|Win||2-2||Eddy Ellis||TKO||IFC WC 17 - Warriors Challenge 17||07/12/2002||1||2:24|
|Loss||1-2||Joe Stevenson||Submission (Strikes)||KOTC 15 - Bad Intentions||06/22/2002||1||1:27|
|Win||1-1||Peter Delayo||TKO (Strikes)||KK - Kage Kombat||04/6/2002||N/A||N/A|
|Loss||0-1||Jake Shields||Submission (Rear Naked Choke)||GC 6 - Caged Beasts||09/9/2001||1||2:03|
- ↑ Former UFC fighter Jeremy Jackson arrested, charged with multiple felonies, MMAJunkie.com; Staff (2008)