Career
Ultimate Fighting Championship
In his UFC debut, Guimarães faced Dan Stittgen on July 11, 2012 at UFC on Fuel television 4. Guimarães next fight was expected to take place on November 10, 2012 on UFC on Fuel television: Le versus Franklin against South Korean newcomer, Hyun Gyu Lim.
However, he was forced out of the bout with an injury and replaced by David Mitchell.
Guimarães/Lim was rescheduled for March 3, 2013 at UFC on Fuel television 8. Guimarães lost via second round KO when he was caught flush with a knee.
Guimarães was scheduled to face Keith Wisniewski on September 4, 2013 at UFC Fight Night 28. However, Guimarães pulled out of the bout citing an injury and was replaced by Ivan Jorge.
Guimarães faced Andy Enz in a middleweight bout on June 28, 2014 at UFC Fight Night: Swanson versus
Stephens. Guimarães faced Vitor Miranda on March 5, 2016 at UFC 196. He lost the fight via TKO in the second round.
Jungle Fight
Jungle Fight Middleweight Championship (One time).
