training under top mixed martial arts trainer, Greg Jackson, in an attempt to reinvent his fighting career. On November 16, 2012 Guida was scheduled to make his return against former UFC veteran Jason Brilz in the main event of Disorderly Conduct 13. The fight was later scrapped due to an injury Jason suffered training with Greg Jackson's MMA. Guida fought Anthony Gomez at Bellator 112 on March 14, 2014, after his original opponent Sean Salmon pulled out for undisclosed reasons. He lost via unanimous decision. Controversies Guida was involved in a backstage scuffle with former UFC veteran Sean McCorkle at UFC 123 in which members of Guida's camp and Guida himself warned McCorkle that Jason was a made man. In 2016, Guida yet again was involved in a backstage scuffle, this time with UFC veteran Nate Diaz at UFC 199 after his brother Clay lost his fight against Brian Ortega via knockout, Jason became visibly upset after the end of Clay's fight before approaching Diaz backstage as he was preparing to enter a Q&A interview about his main event fight with Conor McGregor before Jason suddenly bull rushed Nate and pressed him up against a wall before Justin Buchholz and UFC staff intervened and separated the two of them. Personal life Jason and his girlfriend had a daughter in 2009. Mixed martial arts record |- | Loss | align=center| 19–28 (2) | Anthony Gomez | Decision (unanimous) | Bellator 112 | | align=center| 3 | align=center| 5:00 | Hammond, Indiana | |- | Win | align=center| 19–27 (2) | Keith Richards | TKO (punches) | C-3 Fights Fall Brawl | | align=center| 1 | align=center| 2:47 | Newkirk, Oklahoma, United States | |- | Loss | align=center| 18–27 (2) | Sam Alvey | Decision (split) | NAFC: Bad Blood | | align=center| 3 | align=center| 5:00 | Milwaukee, Wisconsin, United States | |- | Loss | align=center| 18–26 (2) | Nick Rossborough | Decision (unanimous) | Chicago Cagefighting Championship | | align=center| 3 | align=center| 5:00 | Chicago, Illinois, United States | |- | Loss | align=center| 18–25 (2) | Justin Lemke | Decision (split) | Bellator 29 | | align=center| 3 | align=center| 5:00 | Milwaukee, Wisconsin, United States | |- | Loss | align=center| 18–24 (2) | Jeff Monson | Submission (rear naked choke) | Elite Promotions: Monson vs Guida | | align=center| 2 | align=center| 3:04 |