The year 2021 was the 29th year in the history of the Ultimate Fighting Championship (UFC), a mixed martial arts promotion based in the United States.
These fighters have either been released from their UFC contracts, announced their retirement or joined other promotions:
The following fighters fought their first UFC fight in 2021:
The list below is based on fighters suspended either by (1) United States Anti-Doping Agency (USADA) or World Anti-Doping Agency (WADA) for violation of taking prohibited substances or non-analytical incidents, (2) by local commissions on misconduct during the fights or at event venues, or (3) by the UFC for reasons also stated below.
| width=3% | width=10% | Name | width=8% | Nickname | width=10% | Division | width=7% | From | width=7% | Duration | width=27% | Tested positive for / Info | width=7% | By | width=7% | Eligible to fight again | width=3% | Ref. | width=10% | Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T.J. Dillashaw | Bantamweight | 1 year (NYSAC) 2 years (USADA) | Erythropoietin (EPO). | NYSAC and USADA | [72] [73] | ||||||||||||||||
| Michel Prazeres | Welterweight | 2 years | Exogenous boldenone and its metabolite 5β-androst-1-en-17β-ol-3-one. | [74] | |||||||||||||||||
| Bruno Silva | Blindado | Middleweight | 2 years | Boldenone and its metabolite. | USADA | [75] | |||||||||||||||
| Giacomo Lemos | Heavyweight | 2 years | Drostanolone and its metabolite 2α-methyl-5α-androstan-3α-ol-17-one. | USADA | [76] | ||||||||||||||||
| Istela Nunes | Women's Strawweight | 2 years | Stanozolol metabolites 16β-hydroxystanozolol and 3′-hydroxystanozolol. | [77] | |||||||||||||||||
| Raphael Pessoa | Bebezão | Heavyweight | 1 year | hydrochlorothiazide and its metabolites chlorothiazide and 4-amino-6-chloro-1,3-benzenedisulfonamide | [78] | ||||||||||||||||
| Chase Sherman | The Vanilla Gorilla | Heavyweight | 9 months | Anastrozole | USADA | [79] | |||||||||||||||
| Aleksander Doskalchuk | Flyweight | 14 months | Mesterolone. | USADA | [80] | ||||||||||||||||
| Marc-Andre Barriault | Power Bar | Middleweight | 6 months | Ostarine | USADA | [81] | |||||||||||||||
| Jesse Ronson | The Body Snatcher | Welterweight | 20 months | USADA | [82] | ||||||||||||||||
| Jorge Gonzalez | George St. | Light Heavyweight | 2 years | Stanozolol metabolites, drostanolone metabolite and tamoxifen metabolite. | USADA | [83] | |||||||||||||||
| Abu Azaitar | Gladiator | Middleweight | 7 months | tamoxifen and/or tamoxifen metabolite 3-hydroxy-4-methoxy-tamoxifen | USADA | [84] | |||||||||||||||
| Yair Rodríguez | El Pantera | Featherweight | 6 months | 3 Whereabouts Failures in Last Year | USADA | [85] | |||||||||||||||
| Kevin Croom | The Hard Hitting Hillbilly | Lightweight | 4 1/2 months | NSAC | [86] | With addition of $1,800 fine | |||||||||||||||
| Niko Price | The Hybrid | Welterweight | 6 months | NSAC | [87] | With addition of $8,500 fine | |||||||||||||||
| Oskar Piechota | Imadło | Middleweight | 22 months | Growth hormone releasing peptide 2 (GHRP-2 or pralmorelin) and GHRP-2 (1-3) free acid, a metabolite of GHRP-2, | USADA | [88] | |||||||||||||||
| Charlie Ontiveros | The American Badboy | Welterweight | 6 months | Chlorodehydromethyltestosterone metabolites | NSAC | [89] | With addition of $2,245.36 | ||||||||||||||
| Raquel Pennington | Rocky | Women's Bantamweight | 6 months | 7-Keto-DHEA and AOD-9064 | USADA | [90] | Self-reporting doping violation when she found out she had ingested banned substances prescribed by her doctor to help treat a medical condition | ||||||||||||||
| Liliya Shakirova | Women's Flyweight | 2 years | Meldonium | USADA | [91] | ||||||||||||||||
| Geraldo de Freitas | Spartan | Bantamweight | 2 years | Exogenous administration of testosterone and/or its precursors | USADA | [92] | |||||||||||||||
| Raphael Pessoa | Bebezão | Heavyweight | 2 years | 7-Keto-DHEA and AOD-9064 Hydrochlorothiazide (HCTZ) and its metabolites Chlorothiazide and 4-amino-6-chloro-1,3-benzenedisulfonamide (ACB) | USADA | [93] | Second USADA violation. Results collected from out-of-competition on February 9, 2021, February 15, 2021, February 16, 2021, and March 4, 2021. Ressoa also evaded sample collection on January 25, 2021, and January 28, 2021. | ||||||||||||||
| Rogério Bontorin | Bantamweight | 3 months | USADA | [94] | |||||||||||||||||
| Juancamilo Ronderos | 100 | Flyweight | 1 month | Cocaine and its metabolite benzoylecgonine | USADA | [95] | |||||||||||||||
| Chris Barnett | Huggy Bear/Beastboy | Heavyweight | 4 1/2 months | Marijuana | NSAC | ||||||||||||||||
| Daniel Pineda | The Pit | Featherweight | 9 months | Amphetamine | NSAC | [96] | |||||||||||||||
| Rodrigo Nascimento | Yogi Bear | Heavyweight | 6 months | Ritalinic acid | NSAC | ||||||||||||||||
| Ryan Benoit | Baby Face | Flyweight | 9 months | Modafinil | NSAC | [97] | |||||||||||||||
| Michel Prazeres | Tractor | Welterweight | 4 years | Clomiphene, Oxandrolone metabolites, and the Exogenous administration of testosterone and/or its precursors | NSAC | [98] | Second USADA violation | ||||||||||||||
| Kevin Lee | The Motown Phenom | Welterweight | 6 months | Adderall | NSAC | [99] | $19,526 Fine | ||||||||||||||
| Josh Quinlan | The Maverick | Welterweight | 9 months | Drostanolone | NSAC | [100] | |||||||||||||||
| Łukasz Brzeski | The Bull | Heavyweight | 9 months | Clomiphene | NSAC | [101] | $750 Fine | ||||||||||||||
| Carlos Felipe | Boi | Heavyweight | 18 months | Boldenone and its metabolites | NSAC | [102] | $4,200 fine and $489 in prosecution fees | ||||||||||||||
| Zviad Lazishvili | Bantamweight | 9 months | Clomiphene | NSAC | [103] | $1,800 fine and $326 in prosecution fees | |||||||||||||||
The following The Ultimate Fighter seasons are scheduled for broadcast in 2021:
| Season | Division | Winner | Runner-up | Ref |
|---|---|---|---|---|
| The Ultimate Fighter 29 | Middleweight | Bryan Battle | Gilbert Urbina | [104] |
| Bantamweight | Ricky Turcios | Brady Hiestand | [105] | |
See main article: List of UFC events.