Danny Castillo

World Extreme Cagefighting Castillo made his debut against Donald Cerrone at WEC 34, replacing an injured Rich Crunkilton. Cerrone defeated Castillo via first round armbar submission.

Castillo then fought Rafael Dias at WEC 36, winning via TKO in the second round.

Four months later Castillo fought Phil Cardella at WEC 39. Castillo won the fight via split decision.

Castillo then defeated Ricardo Lamas, winning his third straight WEC fight.

Castillo was defeated by Shane Roller via third round submission at WEC 44.

Castillo looked to rebound from his loss to Roller when he fought Anthony Pettis at WEC 47, but lost via KO after getting caught flush with a head kick.

Castillo defeated WEC newcomer Dustin Poirier via unanimous decision on August 18, 2010, at WEC 50.

Castillo next faced Will Kerr on December 16, 2010, at WEC 53. He won the fight via KO in the first round.

Ultimate Fighting Championship In October 2010, World Extreme Cagefighting merged with the Ultimate Fighting Championship. As part of the merger, all WEC fighters were transferred to the UFC. On December 31, 2010, Castillo officially became a contracted UFC fighter, signing a four-fight deal with the promotion.

In his UFC debut, Castillo fought Joe Stevenson on March 3, 2011, at UFC Live: Sanchez vs. Kampmann. Castillo controlled the entirety of the fight and won via unanimous decision.

Castillo faced Jacob Volkmann on August 14, 2011, at UFC on Versus 5. He lost the fight via unanimous decision (29-28, 29-28, 29-28).

Castillo faced Shamar Bailey on November 19, 2011, at UFC 139. Bailey came in 3 pounds over, which resulted being fined 20 percent of his earnings, and the bout took place at a catchweight of 158 lb. Castillo won the fight via TKO in the first round.

Castillo faced Anthony Njokuani on December 30, 2011, at UFC 141 on five weeks notice, replacing an injured Ramsey Nijem. Throughout the fight Castillo scored several suplex takedowns and looked to smother his opponent on the ground. He won the fight via split decision.

Castillo faced John Cholish on May 5, 2012, at UFC on Fox 3. He defeated Cholish via unanimous decision (30-27, 30-27, 30-27).

Castillo was expected to face Michael Johnson on September 1, 2012, at UFC 151. However, after UFC 151 was cancelled, Castillo/Johnson was rescheduled and took place on October 5, 2012, at UFC on FX 5. After a dominant first round put in by Castillo, where he nearly finished Johnson via strikes and then with a submission attempt, he was knocked out cold with a counter left at 1:06 of the second round.

Castillo faced Paul Sass on February 16, 2013, at UFC on Fuel TV: Barão vs. McDonald. Castillo used a superior top game and ground and pound en route to a unanimous decision victory.

Castillo was expected to face Bobby Green on July 27, 2013, at UFC on Fox 8. However, in mid-July, Green pulled out of the bout citing an injury and was replaced by Tim Means. He won the fight via unanimous decision.

Castillo faced Edson Barboza on December 14, 2013, at UFC on Fox 9. After a dominant first round by Castillo, Barboza was able to rally over rounds two and three, and defeated Castillo via majority decision in a bout that earned both participants Fight of the Night honors.

Castillo was briefly linked to a bout with Isaac Vallie-Flagg on April 26, 2014, at UFC 172. However, the UFC removed Vallie-Flagg from the bout in favor of a match up with Takanori Gomi, while Castillo instead fought against Charlie Brenneman. Castillo won the fight via knockout in the second round.

Castillo was expected to face Tony Ferguson on August 2, 2014, at UFC 176. However, after UFC 176 was cancelled, Castillo/Ferguson was rescheduled and took place on August 30, 2014, at UFC 177. Castillo lost the back and forth fight via split decision.

Castillo was expected to face Rustam Khabilov on January 3, 2015, at UFC 182. However, Khabilov pulled out of the bout due to alleged visa issues and was replaced by Paul Felder. Castillo lost the bout via knockout due to a spinning backfist in the second round.

A rescheduled bout with Rustam Khabilov was expected to take place on July 25, 2015, at UFC on Fox 16. However, for a second time, Khabilov was removed from the pairing due to alleged visa issues. Castillo faced Jim Miller at the event. He lost the fight by split decision.

Castillo faced Nik Lentz on December 19, 2015, at UFC on Fox 17. He lost the fight by split decision.

On January 29, 2016, Castillo was released from the UFC. He has since retired from mixed martial arts.

Championships and accomplishments Ultimate Fighting Championship Fight of the Night (One time)

Mixed martial arts record Loss

Nik Lentz Decision (split) UFC on Fox: dos Anjos vs. Cowboy 2

Orlando, Florida, United States Loss

Jim Miller Decision (split) UFC on Fox: Dillashaw vs. Barão 2

Chicago, Illinois, United States Loss

Paul Felder KO (spinning back fist) UFC 182

Las Vegas, Nevada, United States Loss

Tony Ferguson Decision (split) UFC 177

Sacramento, California, United States Win

Charlie Brenneman KO (punch) UFC 172

Baltimore, Maryland, United States Loss

Edson Barboza Decision (majority) UFC on Fox: Johnson vs. Benavidez 2

Sacramento, California, United States Win

Tim Means Decision (unanimous) UFC on Fox: Johnson vs. Moraga

Seattle, Washington, United States Win

Paul Sass Decision (unanimous) UFC on Fuel TV: Barão vs. McDonald

London, England Loss

Michael Johnson KO (punches) UFC on FX: Browne vs. Bigfoot

Minneapolis, Minnesota, United States Win

John Cholish Decision (unanimous) UFC on Fox: Diaz vs. Miller

East Rutherford, New Jersey, United States Win

Anthony Njokuani Decision (split) UFC 141

Las Vegas, Nevada, United States Win

Shamar Bailey TKO (punches) UFC 139

San Jose, California, United States Loss

Jacob Volkmann Decision (unanimous) UFC Live: Hardy vs. Lytle

Milwaukee, Wisconsin, United States Win

Joe Stevenson Decision (unanimous) UFC Live: Sanchez vs. Kampmann

Louisville, Kentucky, United States Win

Will Kerr KO (punches) WEC 53

Glendale, Arizona, United States Win

Dustin Poirier Decision (unanimous) WEC 50

Las Vegas, Nevada, United States Loss

Anthony Pettis KO (head kick and punches) WEC 47

Columbus, Ohio, United States Loss

Shane Roller Submission (rear-naked choke) WEC 44

Las Vegas, Nevada, United States Win

Ricardo Lamas TKO (punches) WEC 42

Las Vegas, Nevada, United States Win

Phil Cardella Decision (split) WEC 39

Corpus Christi, Texas, United States Win

Rafael Dias TKO (punches) WEC 36

Hollywood, Florida, United States Loss

Donald Cerrone Submission (armbar) WEC 34

Sacramento, California, United States Win

Isaiah Hill Submission (rear-naked choke) CCFC: Mayhem

Santa Rosa, California, United States Win

Andy Salazar Submission (punches) Palace Fighting Championship 7

Lemoore, California, United States Win

Noah Shinable TKO (punches) Cage Combat Fighting Championships

Sonoma, California, United States Win

Gigo Jara Submission (rear-naked choke) GC 73: High Noon

Sacramento, California, United States Win

Billy Terry Submission (rear-naked choke) GC 71: Lock-n-Load

Porterville, California, United States