Jason Guida (born August 4, 1977) is a former American professional mixed martial artist who last competed for Bellator. A professional competitor from 2003 until 2014, he also fought for EliteXC, the WEC, KSW, Adrenaline MMA and World Extreme Fighting. Jason is the older brother of Ultimate Fighting Championship veteran Clay Guida. Background Born and raised in Illinois, Guida began wrestling in elementary school, he is four years older than his brother Clay. Both wrestled at Johnsburg High School and William Rainey Harper College. They both won a NAIA national title in 2001. Mixed martial arts career Early career Guida only had two amateur fights before turning professional in 2003. The Ultimate Fighter Guida appeared on The Ultimate Fighter: Team Nogueira vs. Team Mir and was eliminated in the first episode for failing to make the 206 lb weight limit by one pound. Independent promotions Following this, as a last minute replacement for Ken Shamrock, Guida faced former WWE pro wrestling star Bobby Lashley. Guida lost via unanimous decision. Before his bout with Lashley, he and Guida got in a scuffle at a pre-fight press conference that had to be broken up by Roy Jones Jr. Guida then suffered losses to UFC veteran Jeremy Horn and top Chechen contender Mamed Khalidov, but overcame his losing streak with a knockout win over former UFC fighter Logan Clark, ending the fight with a barrage of punches in the first round in Clark's hometown of Rochester, Minnesota. In 2009 Jason was set to take on 2011 ADCC World Championship Nottingham Gold Medalist and former UFC fighter, Vinny Magalhães in the main event of "Carolina Crown 2" as a late replacement for Lance Evans, the brother of UFC star Rashad Evans. He later dropped out of the fight due to a lower back injury sustained during training, he was replaced by Bellator fighter Chris Davis. In 2010, Guida then tried out for The Ultimate Fighter 12 in the Light Heavyweight division but was unsuccessful when the Light Heavyweights were cut before the season started in favor of a Lightweight only season. Bellator Guida stepped in as a replacement and fought Justin Lemke at Bellator 29 in a 210 lb catchweight bout and his Bellator debut. Guida weighed in 5 lbs over the catchweight limit and the fight was changed to a 215 lb catchweight bout. In 2011, Jason joined his brother Clay and started