Biography.guide
Home › People › Mixed martial arts fighter › Rob McCullough
Portrait of Rob McCullough

Rob McCullough

b. 1977

American martial artist

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Rob McCullough

Born 1977. Rob McCullough is an American mixed martial arts fighter, kickboxer and thai boxer.

Robert Alexander McCullough IV (born May 26, 1977) is an American former Muay Thai kickboxer and professional mixed martial artist. A professional from 2001-2011 in MMA, McCullough has formerly competed for the WEC, Bellator, DREAM, the World Fighting Alliance, the Palace Fighting Championship, and King of the Cage. In professional kickboxing, McCullough has competed for K-1.

Mixed martial arts career

World Extreme Cagefighting McCullough began his mixed martial arts career with a first-round TKO victory at the Palace Casino in Lemoore, California, in 2001. Between 2003 and 2007, "Razor Rob" went 10-1 with nine stoppage victories and only a split-decision loss to Harris Sarmiento, which he later avenged.

McCullough defeated Muay Thai fighter Kit Cope at WEC 25 to win the vacant WEC Lightweight Championship. He defended the title once by defeating Richard Crunkilton by first-round TKO. On February 13, 2008, he lost his title to Jamie Varner when Varner defeated him by TKO due to strikes in the third round.

After losing his title, McCullough struggled over his next four fights in the now-defunct WEC. He defeated Kenneth Alexander by split decision but then lost to Donald Cerrone. but he fractured his right hand and received minor damage to his ankle and subsequently underwent surgery to repair his hand. McCullough was expected to return to the cage against Anthony Pettis on November 18, 2009, at WEC 44; but Pettis had to pull out of the bout with an undisclosed injury. McCullough instead faced WEC newcomer Karen Darabedyan. McCullough lost to Darabedyan via split decision.

With three losses in his last five fights, McCullough released by the WEC and would eventually join Tachi Palace Fights, returning to the venue where his career began, and had somewhat of a resurgence. McCullough defeated Isaac de Jesus by first-round TKO on July 9, 2010, at Tachi Palace Fight 5. He then defeated UFC veteran Corey Hill by unanimous decision on September 9, 2010, at Tachi Palace Fight 6.

Bellator MMA On October 14, 2010, McCullough signed with Bellator to compete in the promotion's upcoming Season Four Lightweight Tournament. He was knocked out by a counter right by Patricky "The Pitbull" Freire.

DREAM McCullough next faced Shinya Aoki at DREAM 17. He lost the fight via submission in the first round.

Personal life McCullough was married to Kristina McCullough. The couple had their first child, a son, in March 2010 and second child, a son born in November 2014.

McCullough also owns MMA apparel company Razor Clothing.

Championships and accomplishments World Extreme Cagefighting WEC Lightweight Championship (One time) One successful title defense MMA HQ 2008 Fight of the Year

Kickboxing record

Mixed martial arts record Loss

Shinya Aoki Submission (neck crank) DREAM 17

Saitama, Japan Loss

Patricky Freire TKO (punches) Bellator 36

Shreveport, Louisiana, United States Win

Corey Hill Decision (unanimous) TPF 6: High Stakes

Lemoore, California, United States Win

Isaac DeJesus TKO (punches) TPF 5: Stars and Strikes

Lemoore, California, United States Loss

Karen Darabedyan Decision (split) WEC 44

Las Vegas, Nevada, United States Win

Marcus Hicks Decision (majority) WEC 39

Corpus Christi, Texas, United States Loss

Donald Cerrone Decision (unanimous) WEC 36

Hollywood, Florida, United States Win

Kenneth Alexander Decision (split) WEC 34

Sacramento, California, United States Loss

Jamie Varner TKO (punches) WEC 32

Rio Rancho, New Mexico, United States Win

Richard Crunkilton TKO (punches) WEC 30

Las Vegas, Nevada, United States Win

Kit Cope Submission (punches) WEC 25

Las Vegas, Nevada, United States Win

Harris Sarmiento Decision (unanimous) WFA: King of the Streets

Los Angeles, California, United States Win

Ryan Healy TKO (cut) WEC 21

Highland, California, United States Win

Randy Hauer TKO (punches) WEC 20

Lemoore, California, United States Win

Olaf Alfonso KO (punch) WEC 19

Lemoore, California, United States Win

Gabe Rivas Submission (verbal) KOTC 63

San Jacinto, California, United States Win

Jeremy Jones TKO (punches) KOTC 58

San Jacinto, California, United States Win

Andrew Williams TKO (punches) PFC: Pit Fighting Championship

Upland, California, United States Loss

Harris Sarmiento Decision (split) WEC 9

Lemoore, California, United States Win

Danny Devine TKO (leg kicks) PFC: Put Up or Shut Up

Upland, California, United States Win

Nam Phan Decision (unanimous) PFC: Knucklefest

California, United States Win

Anthony Garcia KO (punches) PFC: Knucklefest

California, United States Win

William Sriyapai Decision (unanimous) PFC: Knucklefest

California, United States Loss

Josh Thomson Decision (unanimous) WFA 3: Level 3

Las Vegas, Nevada, United States Loss

Kenneth Alexander Decision (unanimous) HFP 1: Rumble on the Reservation

Anza, California, United States Win

Steve Wagner TKO (corner stoppage) Ultimate Pankration 1

Cabazon, California, United States Win

Jesse Heck TKO (punches) WEC 2

Lemoore, California, United States

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Nationality
Also known as
Robert Alexander McCullough IV

People in Rob McCullough's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Rob McCullough's

Frequently asked questions

Who is Rob McCullough?

American martial artist

When was Rob McCullough born?

Rob McCullough was born on 26 May 1977 in Huntington Beach.

What is Rob McCullough's occupation?

Rob McCullough is a mixed martial arts fighter, kickboxer and thai boxer.

What nationality is Rob McCullough?

Rob McCullough is American.

Sources & further reading

· Wikipedia: Rob McCullough

· Wikidata: Q10363144

· DBpedia: Rob McCullough

Cite this page

APA: Biography.guide. (2026). Rob McCullough. https://biography.guide/rob-mccullough/

MLA: "Rob McCullough." Biography.guide, https://biography.guide/rob-mccullough/.

Chicago: "Rob McCullough." Biography.guide. https://biography.guide/rob-mccullough/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Page generated 2026-09-27 05:27 UTC