Kelvin Gastelum

Early career

Gastelum was a state championship wrestler at Cibola High School in Yuma, AZ and attended North Idaho College for a year before deciding to turn pro. He formerly worked as a bail bondsman before later quitting and training full-time.

He made his professional MMA debut on December 11, 2010. He won via submission due to punches in the second round.

Following his debut, Gastelum amassed an undefeated record of 5–0. He had finished every opponent he had faced with 2 TKOs and 3 submissions on his record.

The Ultimate Fighter

In January 2013, it was announced that Gastelum was selected for The Ultimate Fighter: Team Jones vs. Team Sonnen. To get into the TUF house, Gastelum defeated Kito Andrews by decision. During the choosing of teams, he was picked last by Chael Sonnen for Team Sonnen.

Gastelum's next fight in the house was against Bubba McDaniel. Just before his fight, Chael Sonnen received a call from UFC women's bantamweight champ Ronda Rousey, who wished Gastelum good luck in his fight and said that if he won that she would come down to the TUF gym and teach a session. He won in the second round via rear naked choke submission.

In the quarterfinals, Gastelum would take on Collin Hart. He won the fight via first round knockout.

In the semifinals, Gastelum would face Josh Samman, the heavily favored No. 2 pick of Team Jones. He won via first round rear naked choke, thus securing his place in the finals.

Ultimate Fighting Championship

With his successful 4–0 run on the show, Gastelum faced teammate Uriah Hall in the finals at the Ultimate Fighter 17 Finale. Despite being a significant underdog, Gastelum won the fight via split decision. Gastelum appeared on "The MMA Hour" with Ariel Helwani and stated his intention to drop to Welterweight, citing and complementing a strength disadvantage he felt against Hall.

Gastelum was expected to face Paulo Thiago on August 28, 2013 at UFC Fight Night 27. However, Thiago pulled out of the bout citing a knee injury and was replaced by Brian Melancon. Gastelum finished Melancon via rear naked choke in the first round.

Gastelum was expected to face Court McGee on December 14, 2013 at UFC on Fox 9, but was forced to withdraw due to a torn PCL.

Gastelum faced Rick Story on March 15, 2014 at UFC 171, a fight that he had specifically asked for. He won the back-and-forth fight via split decision.

Gastelum faced Nico Musoke on June 28, 2014 at UFC Fight Night 44.He won the fight via unanimous decision Gastelum missed weight by one and three-quarter pounds and forfeited 20% of his fight purse to Musoke. He won the fight via unanimous decision.

Gastelum next fought Jake Ellenberger on November 15, 2014 at UFC 180 as the co-main event. He won the fight in the first round via rear-naked choke. The win also earned Gastelum his first Performance of the Night bonus award.

Gastelum next faced Tyron Woodley on January 31, 2015 at UFC 183. He missed weight by 10 lbs and was fined 30% of his fight purse which would be given to Woodley. He lost the fight via split decision. In the post-fight interview with Joe Rogan, Woodley said that he would not accept 30% of Gastelum's purse, as him missing weight and losing was enough punishment.

Due to Gastelum not being able to make weight on two occasions while fighting in the welterweight division in the UFC, UFC president Dana White ordered Gastelum to move up to middleweight.

In his return to Middleweight, Gastelum faced Nate Marquardt at UFC 188 on June 13, 2015. He won the fight via TKO after Marquardt's corner stopped the fight between the second and third round.

Gastelum was expected to face Matt Brown in a welterweight bout on November 21, 2015 at The Ultimate Fighter Latin America 2 Finale. However, Brown withdrew from the fight due to an ankle injury suffered in training. He was replaced by Neil Magny. Despite rallying in the last two rounds, Gastelum lost the fight by split decision. Their performance earned both pariticipants Fight of the Night honors.

Gastelum was scheduled to face Kyle Noke on January 2, 2016 at UFC 195, However on December 22, Gastelum was pulled out due to a wrist injury and was replaced by promotional newcomer Alex Morono.

Gastelum next faced Johny Hendricks on July 9, 2016 at UFC 200. He won the fight via unanimous decision.

Gastelum was expected to face Donald Cerrone on November 12, 2016 at UFC 205. However on the day of the weigh-ins, Gastelum did not make an attempt to formally weigh in as he was well over the 171 lbs limit for the fight and the bout was scrapped. This makes it the third time Gastelum has not made the 170lb weight limit, prompting UFC President Dana White to say that he will "never let him fight at 170 again".

Gastelum was quickly rescheduled and faced Tim Kennedy in a middleweight bout on December 10, 2016 at UFC 206. He won the fight via TKO in the third round.

In his highest profile fight in the UFC to date, Gastelum faced Vitor Belfort on March 11, 2017 in the main event at UFC Fight Night 106. He won the fight via TKO in the first round. The win also earned Gastelum his second Performance of the Night bonus award.

Gastelum was expected to face Anderson Silva on June 3, 2017 at UFC 212. However on April 6, he was pulled from the bout after he was flagged for a potential doping violation by USADA stemming from his previous bout against Belfort. He tested positive for Carboxy-Tetrahydrocannabinol (Carboxy-THC) which is a metabolite of marijuana and/or hashish above the 180 ng/mL allowance by the World Anti-Doping Agency (WADA) standard. Gastelum was placed on a provisional suspension as a result of the positive drug test and he was afforded a full adjudication process. On May 7, Gastelum's win was officially overturned to a "No Contest" and he was suspended 90 days (retroactive to the March 11 test date).

Gastelum faced Chris Weidman on July 22, 2017 in the main event at UFC on Fox 25. He lost the fight via submission in the third round. At the post-fight press conference, Gastelum said that he would like to drop down to 170 lbs (welterweight division) for his next fight.

The bout with Anderson Silva was rescheduled and is expected to take place on November 25, 2017 at UFC Fight Night 122.

Championships and accomplishments