1. Reza Madadi started out as a wrestler at the age of 15, his wrestling career saw some good results, winning the Swedish championship in 2002 and 2003 along with victories in Sweden and other parts of Scandinavia, in both the styles of Greco-Roman and Freestyle.
Reza Madadi competed in Strike And Submit, Superior Challenge, Furious Fighting Championship and a few other fighting organizations.
Reza Madadi holds a submission victory over former UFC fighter Junie Browning in 2010, later that year he took a very impressive decision victory against former WEC- and future Strikeforce and UFC fighter Carlo Prater.
Reza Madadi became the Superior Challenge Lightweight Champion in 2011, after defeating former UFC fighter Rich Clementi via unanimous decision at Superior Challenge 7.
Reza Madadi was expected to challenge for the title in British top promotion Cage Warriors, against the champion Matt Veach on June 16,2011.
However, just a few days before the fight Veach had to withdraw due to an injury and Reza Madadi was scrapped from the card.
In November, 2011 it was reported that Reza Madadi had signed with the UFC.
Reza Madadi was expected to make his promotional debut against Rafaello Oliveira on January 20,2012 at UFC on FX 1.
Reza Madadi faced Michael Johnson on April 6,2013 at UFC on Fuel TV 9.
Reza Madadi was expected to fight Michael Chiesa on July 27,2013 at UFC on Fox 8.
However, on May 14,2013, it was announced Reza Madadi pulled out of the bout citing alleged visa issues and was replaced by Jorge Masvidal.
On November 23,2013 at Superior Challenge 9, Reza Madadi entered the cage and called out fellow former UFC-fighter Anton Kuivanen, who fought earlier that evening, defeating one of Reza Madadi's training partners.
Reza Madadi was set to return to the cage on May 3,2014 at Superior Challenge 10, his opponent was yet to be announced.
However, Reza Madadi later had to withdraw due to an injury and was replaced by Juha-Pekka Vainikainen.
Reza Madadi faced Norman Parke on October 24,2015 at UFC Fight Night 76.
Reza Madadi fought Yan Cabral on May 8,2016 at UFC Fight Night 87.
Reza Madadi won the fight by TKO after connecting with an uppercut and follow up punches in round 3.
Reza Madadi was expected to face Rustam Khabilov on September 3,2016 at UFC Fight Night 93.
Reza Madadi was then expected to face promotional newcomer Marc Diakiese on October 8,2016 at UFC 204.
However, Reza Madadi was later forced to withdraw from the contest, after suffering an eye injury that need an emergency surgery.
Reza Madadi faced Joseph Duffy on March 18,2017 at UFC Fight Night 107.
Shortly after his fight against Joseph Duffy, Reza Madadi took to his Instagram page to reveal that he had one fight left on his UFC contract and that it possibly would be the last fight of his career.
Reza Madadi expressed wishes to get his potential last fight on the upcoming UFC Fight Night 109 in his hometown of Stockholm, Sweden.
Reza Madadi got his wish fulfilled in the last minute, as he stepped in on short notice, replacing an injured Mairbek Taisumov, against Joaquim Silva on May 28,2017 at UFC Fight Night 109.
Subsequent to this fight, Reza Madadi opted to not renew his contract with the UFC.
On July 4,2017 it was announced that Reza Madadi was set to face Yusup Raisov, who vacated his ACB featherweight title and moved up to lightweight division.
In May 2019, Reza Madadi announced his retirement from competition, stating that he will be concentrating on coaching mixed martial arts.
Reza Madadi is still training and coaching at his long time gym Allstar Training Center in Torrevieja, along with UFC fighters such as Alexander Gustafsson, Ilir Latifi, Jimi Manuwa, David Teymur and Khamzat Chimaev.
On May 27,2013, Reza Madadi was arrested in Sweden for burglary.
An appeal from Reza Madadi was filed on September 5,2013, and he was released from custody awaiting notice from the Swedish court of law.
In March, 2015 after serving the active time of 14 months, the sentence was completed and Reza Madadi was released from prison.