C. B. Dollaway

On August 16, 2019 it was reported that Dollaway tested positive for anastrozole, a growth hormone releasing peptide 2 (GHRP-2 or pralmorelin); a metabolite of GHRP-2; and GHRP-6, on a sample collected on December 19, 2018. In addition, tested positive for clomiphene on a out-of-competition sample collected on February 9, 2019. Dollaway also tested positive for receiving intravenous (IV) infusion over the allowable limits on December, 2018. As a result, Dollaway was suspended for 2 years by USADA retroactive from December 13, 2018 and he is eligible to fight again on December 13, 2020. Dollaway indicated that he was unknowingly in contact with the substance from a stem cell procedure done in Mexico. In December 2019, news surfaced that after a 20-fight tenure Dollaway and the UFC had parted ways.

Dollaway challenged Jiří Procházka for the Rizin Light Heavyweight Championship at Rizin 20 on December 31, 2019. After a series of successful low kicks, Dollaway got caught by punches and lost the fight in the first round.

Dollaway returned to middleweight and faced Hector Lombard on March 3, 2018 at UFC 222. Dollaway won the fight after Lombard clearly landed two intentional strikes to Dollaway after the end of the first round, knocking him down. Lombard was disqualified and Dollaway was given the victory whilst outside the octagon.

Dollaway was scheduled to face Omari Akhmedov on September 15, 2018 at UFC Fight Night 136. However, Akhmedov pulled out of the fight in early September and was briefly replaced by promotional newcomer Artem Frolov. In turn, after just three days, Frolov backed out of the fight citing lingering injuries, and he was replaced by Khalid Murtazaliev. Dollaway lost the fight via TKO at the end of the second round.

After nineteen months away from competition, Dollaway faced Ed Herman on July 7, 2017 at The Ultimate Fighter 25 Finale. He won the back-and-forth bout via unanimous decision.

Dollaway was expected to face Francimar Barroso in a light heavyweight bout on September 10, 2016 at UFC 203. However on the day of the event, Dollaway suffered a back injury at his hotel due to a malfunctioning elevator and was unable to participate. As a result, Barroso was also removed from the event.

Dollaway faced Michael Bisping on April 25, 2015 at UFC 186. Despite dropping Bisping in the first round, Dollaway lost the fight by unanimous decision.

Dollaway next faced Nate Marquardt on December 19, 2015 at UFC on Fox 17. After a back-and-forth first round, Dollaway lost the fight via knockout in the second round.

A bout with Cezar Ferreira eventually took place on March 23, 2014 at UFC Fight Night 38. Dollaway won the fight via KO in the first round.

Dollaway faced Francis Carmont on May 31, 2014 at UFC Fight Night 41. He won the fight by unanimous decision. The win also earned Dollaway his first Performance of the Night bonus award. This also marks the first time the UFC promotion has given a Performance of the Night bonus to a fighter who won their fight by decision.

Dollaway faced Lyoto Machida on December 20, 2014 at UFC Fight Night 58. He lost via TKO in the first round.

Dollaway defeated Daniel Sarafian on January 19, 2013 at UFC on FX: Belfort vs. Bisping. The exciting three round affair earned both fighters the 'Fight of the Night' bonus.

Dollaway was expected to face Cezar Ferreira on May 18, 2013 at UFC on FX 8. However, Dollaway pulled out of the bout citing an injury and was replaced by Chris Camozzi.

Dollaway faced Tim Boetsch on October 19, 2013 at UFC 166, replacing an injured Luke Rockhold. While Dollaway seemingly controlled the action for the majority of the bout, he was docked a point for multiple eye pokes to Boetsch and lost the fight via split decision.

Dollaway faced Jason Miller on May 26, 2012 at UFC 146. He weathered the striking of Miller at the beginning of each round and used his wrestling and ground and pound to control the latter part of the rounds, en route to a unanimous decision victory. In a post-fight interview, with Ariel Helwani, Dollaway stated that he was happy with his performance, and that the win was big for his career. However, many fans were disappointed with Dollaway for having held Mayhem down for almost the entirety of the fight without having mounted much offense.

Dollaway faced Mark Muñoz on March 3, 2011 at UFC Live: Sanchez vs. Kampmann and lost by KO for the first time in his career at only 54 seconds of the first round.

Dollaway was defeated via second round TKO by Jared Hamman on August 14, 2011 at UFC on Versus 5.

Dollaway next faced Goran Reljic on February 21, 2010 at UFC 110. Dollaway was able to win via unanimous decision, with all three judges scoring the bout 29–28.

Dollaway faced Joe Doerksen on September 25, 2010 at UFC 119. Dollaway defeated Doerksen by modified guillotine choke at 2:47 of the opening frame. In this bout, Dollaway showed exceptional grappling skills, locking on to an arm in guillotine and trying to submit his opponent. Then a scrambled ensued, with Dollaway switching to a Peruvian Necktie choke from the mount and forcing Doerksen to tap. He was awarded his second Submission of the Night award for this victory.

He was scheduled to fight Dan Miller on September 16, 2009 at UFC Fight Night 19. However, Miller got an infection and had to withdraw. Newcomer Jay Silva was named as his replacement. Dollaway outwrestled Silva for three rounds, winning a unanimous decision.

At UFC 92, Dollaway returned to action, for his eighth fight of 2008, against Mike Massenzio, a fighter who he had formerly defeated in his Junior College wrestling career. Dollaway defeated Massenzio by TKO due to punches at 3:01 of the first round. After being stunned by a Massenzio punch and nearly being caught in a guillotine choke, Dollaway secured top position, took Massenzio's back and pounded his opponent with punches until the referee halted the bout. After the stoppage Dollaway celebrated with a howl similar to that of his coach on The Ultimate Fighter, Quinton Jackson. Massenzio later stated that Dollaway tapped out during their match.

Dollaway graduated from Northmor High School near Galion, Ohio where he was a state champion wrestler in the 171 lb weight class. After high school Dollaway attended Colby Community College in Colby, Kansas. While at Colby, Dollaway won the JUCO National Championships. Soon after, Dollaway moved to Tempe, Arizona to attend Arizona State University where he earned a bachelor's degree in interdisciplinary studies with a concentration in sociology and justice studies. Wrestling since the age of five, Dollaway continued the sport at Arizona State University, earning All-American status in 2006, taking 5th place in the 184 lb. bracket as a tenth seed.

Clarence Byron "C. B." Dollaway (born August 10, 1983) is an American mixed martial artist currently fighting in the Light Heavyweight division of Rizin Fighting Federation. He was a finalist on SpikeTV's The Ultimate Fighter 7 and ran a lengthy tenure in the Ultimate Fighting Championship. He holds notable victories over Jason Miller, Hector Lombard and Francis Carmont.