Joe Warren

Warren faced Joe Taimanglo at Bellator 195 on March 2, 2018. He lost the fight via split decision.

Warren faced prospect Steve Garcia at Bellator 181 on July 14, 2017. He won the fight by unanimous decision.

Warren next faced undefeated prospect Darrion Caldwell in a no. 1 contenders match in the main event at Bellator 151 on March 4, 2016. He lost the fight via technical submission due to a rear-naked choke in the first round.

Warren faced Sirwan Kakai at Bellator 161 on September 16, 2016. He won the fight via guillotine choke submission in the third round.

Warren faced Eduardo Dantas in a rematch at Bellator 166 on December 2, 2016, for the Bellator bantamweight championship. He lost the fight via majority decision.

Warren made his first title defense against Marcos Galvão in a rematch on March 27, 2015 at Bellator 135. He lost the fight and the title via verbal submission due to a kneebar in the second round.

Warren faced WEC and Bellator veteran L.C. Davis in the main event of Bellator 143 on September 25, 2015. He won the fight via unanimous decision.

Warren was scheduled to face Bellator Bantamweight champion Eduardo Dantas at Bellator 118. However, on April 26, 2014 it was revealed that Dantas was injured head and withdrew from the fight. Warren was to face Rafael Silva in an Interim Bantamweight title fight. Silva, however, missed weight and the promotion made the interim title available only if Warren were to win. Warren won the fight via unanimous decision to become the Bellator Interim Bantamweight champion.

Warren faced Eduardo Dantas in a title unification bout on October 10, 2014 at Bellator 128. He won the fight via unanimous decision to become the undisputed Bellator Bantamweight Champion.

On February 5, 2013, it was announced that Warren would be one of the four coaches to appear on the promotion's reality series titled Fight Master: Bellator MMA.

Joe Warren was set to fight Nick Kirk at Bellator 98 in the semifinal match of Bellator season nine bantamweight tournament, however he was not cleared to fight because he was knocked out in a sparring session prior to the fight. The fight was then rescheduled for Bellator 101 on September 27, 2013. Warren won via submission in the second round.

Warren faced Travis Marx in the finals on November 8, 2013 at Bellator 107. He won via TKO in the second round to win the Bellator season nine Bantamweight tournament.

Warren fought Pat Curran on March 9, 2012 at Bellator 60 in the first defense of his Bellator Featherweight Championship. He lost the fight via KO in the third round.

After losing the title, Warren returned and faced Owen Evinger on November 9, 2012 at Bellator 80. He won the fight via unanimous decision.

Warren faced Marcos Galvão in a non-title fight on April 16, 2011 at Bellator 41. In the fight Galvão negated a majority of Warren's offense for the first two rounds by showing strong takedown defense, taking down Warren multiple times, taking Warren's back, and executing good knees from the clinch. In the third round he was taken down by Warren and controlled throughout the round. At the end of the fight, Bellator color commentator, Jimmy Smith, believed Galvão won the fight 29–28. Along with Smith, many top MMA sites, (MMAJunkie, Sherdog, MMAFighting, MMASpot), all believed that Galvão won the fight by 29–28. It was then announced that Warren had won the fight via unanimous decision (30–27, 29–28, 29–28).

Warren was expected to put his title on the line versus Patricio Freire at Bellator 47 on July 23, 2011, but had to be postponed due to Pitbull's unexpected injury.

In the fall of 2011, Warren was entered the Bellator Season 5 bantamweight tournament. He was hoping to become the promotion's first two division champion. Warren faced fellow amateur wrestling world champion, Alexis Vila, at Bellator 51, in the quarterfinal round of Bellator's season five bantamweight tournament. He lost the fight via KO in the first round.

On December 18, 2010, it was reported that Warren would be making a return to wrestling, to try to qualify for the 2012 Summer Olympics in London. This did not occur.

On February 1, 2010, Warren officially announced that he signed with Bellator Fighting Championships, and that he would compete in the Featherweight tournament during Bellator's Season 2.

On June 24, 2010, Warren won the Bellator featherweight tournament by claiming a split-decision over Patricio Freire. Joe was both dropped and caught in a rear-naked choke in the first round. He came back in rounds 2 and 3 by scoring takedowns followed by a ground and pound attack. The official scores were (29–28), (28–29), and (29–28). After the fight, Bellator Fighting Championships Featherweight Champion Joe Soto came into the ring and the two exchanged words, with Warren telling Soto "you've got my belt" and Soto promising to hold onto the title.

The title fight took place on September 2, 2010 at Bellator 27 in the third season of Bellator Fighting Championships. This was Warren's first title shot. Following a dominant opening round by Soto, Warren won the fight via KO (strikes) in the opening minute of the second round to become the new Bellator Featherweight champion.

During the end of 2008 Warren started transitioning to mixed martial arts, and on March 8, 2009, he made his professional debut. He has competed for Bellator MMA, and Dream in Japan. He is a former Bellator Bantamweight Champion and former Bellator Featherweight Champion. Warren is currently ranked as the #24 Bantamweight in the world by fightmatrix.com.

Joe Warren started a transition to MMA in 2008 and joined up with Team Quest where he got to train with fellow Greco-Roman wrestler and Pride Fighting Championship Champion Dan Henderson. His MMA debut was on March 8, 2009, at Dream.7, where he defeated former WEC Bantamweight Champion Chase Beebe by TKO (doctor stoppage) after the first round due to a cut Beebe received over his right eye. In the second round of the tournament, at Dream.9 on May 26, 2009, he was matched up with and defeated former K-1 Hero's Lightweight Grand Prix Champion, and formerly 17–1, Norifumi Yamamoto in his first fight after a 512-day layoff officially due to elbow and knee injuries. In preparation for the bout Warren trained with former WEC Featherweight Champion Urijah Faber and his Team Alpha Male after Faber called Warren and told him he knew how to defeat Yamamoto. Faber had previously prepared Joseph Benavidez to fight Yamamoto in July 2008, but the fight did not happen as Yamamoto pulled out three days before the fight. Warren's fight happened as planned though, and after going the allotted 15 minutes Warren was awarded a split decision victory.

The final two rounds of the tournament took place at Dream 11 which took place on October 6, 2009. In his scheduled semi-final bout Warren fought Brazilian jiu-jitsu expert Bibiano Fernandes, where he quickly lost due to a controversial first-round armbar after securing a takedown.

Warren and his wife have a son who was born July 5, 2008 and a girl, Maddox Reese Warren, who was born March 4, 2010. On October 29th 2019 Joe started a Go Fund Me so he can make a run for a return to the mat at the 2020 Olympics

He won the 60 kilograms (130 lb) division of men's Greco-Roman wrestling at the 2006 FILA Wrestling World Championships and was a favorite for the 2008 Summer Olympics in Beijing, China. Other accomplishments include 6th at the 2000 World University Championship at 63 kilograms (139 lb), 9th at the 2005 FILA Wrestling World Championships, 1st at the 2006 Pan American Championship and 1st at the 2007 World Cup all at 60 kg. In 2007 he missed Pan American Games at Rio de Janeiro because of positive test for cannabis. In 2008 he got 2 years ban from international wrestling competition and missed 2008 Summer Olympics.

Joe Warren (born October 31, 1976) is an American Greco-Roman wrestler and mixed martial artist. As a Greco-Roman wrestler, he won the 2006 Pan American and World Championship and was a favorite for the 2008 Olympics. He later participated in and won the Gold Medal at the 2007 World Cup.