List of doping cases in sport (C)

This is a sub-list from List of doping cases in sport representing a full list of surnames starting with C.

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Name	Country	Event	Banned substance(s)	Reference(s)
Javier Cabanas	Spain	Swimming	Epehedrine	[1]
Enos Cabell	United States	Baseball	Cocaine	[2]
Everth Cabrera	Nicaragua	Baseball	Performance-enhancing drugs	[3]
Melky Cabrera	Dominican Republic	Baseball	Testosterone	[4]
Danny Cadamarteri	England	Football (soccer)	Ephedrine	[5]
Cai Huijue	China	Swimming	Triamterene	[6]
Valeriu Calancea	Romania	Weightlifting	Methandienone	[7]
Nick Calathes	United States	Basketball	Tamoxifen	[8]
Michael Callens	Belgium	Swimming	Cannabis	[9]
Filippo Calorosi	Italy	Tennis		[10]
Robinson Canó	Dominican Republic	Baseball	Furosemide	[11]
Brad Cardinal	Canada	Wrestling	THC	[12]
Jerome Cazenave	France	Water polo	Cannabis	[9]
Oscar Camenzind	Switzerland	Cycling	Erythropoietin (EPO)	[13]
Mike Cameron	United States	Baseball	Stimulants	[14]
Ken Caminiti	United States	Baseball	Anabolic steroids (never sanctioned; admitted to use after the end of his career)	[15]
Miguel Cammacho	Venezuela	Weightlifting	Metandienone	[16]
Neil Campbell	England	Cycling	HCG	[17]
Guillermo Cañas	Argentina	Tennis	Hydrochlorothiazide	[18]
José Canseco	United States	Baseball	Anabolic steroids (never sanctioned; admitted to use after the end of his career)	[19]
Ludovic Capelle	Belgium	Cycling	Erythropoietin (EPO)	[20]
Dean Capobianco	Australia	Athletics	Stanozolol	[21]
Ivan Caprari	Italy	Water polo	Cocaine	[22]
Nuno Cardoso	Angola	Swimming	Nandrolone	[22]
Salvador Carmona	Mexico	Football (soccer)	Steroids	[23]
Alicia Carratero	Spain	Diving	Cannabis	[24]
Danilo Carrega	Brazil	Swimming	Stanozolol	[25]
Anthony Carter	United Kingdom	Lawn tennis	Cannabis	[26]
Stefano Casagranda	Italy	Cycling		[27]
Francesco Casagrande	Italy	Cycling	Testosterone	[28]
Morales Castillo	Costa Rica	Cycling	GW501516	[29]
Welington Castillo	Dominican Republic	Baseball	Erythropoietin	[30]
Enrico Catalano	Italy	Swimming	THC metabolites	[31]
Pietro Caucchioli	Italy	Cycling		[32]
Rupeni Caucaunibuca	Fiji	Rugby union	Cannabis	[33]
Greg Cavanagh	Canada	Cycling	Testosterone	[34]
Deniss Čerkovskis	Latvia	Modern pentathlon	Anabolic steroid	[35] (in Latvian)
Francisco Cervelli	Venezuela	Baseball	Performance-enhancing drugs	[3]
Sergo Chakhoyan	Australia	Weightlifting	Stanozolol	[36]
Rajib Chakraborty	India	Swimming	Attempted tampering of sample	[37]
Paul Champalbert	France	Swimming	Cannabis	[1]
Wilson Chandler	United States	Basketball	Ipamorelin	[38]
Chang Tai-shan	Chinese Taipei	Baseball		[39]
Sanamacha Chanu	India	Weightlifting	Furosemide	[40] [41]
Maxime Chaply	France	Swimming	Cannabis	[42]
Justin Charles	Australia	Australian rules football	Boldenone	[43]
Mikalai Charniak	Belarus	Weightlifting	Mesterolone	[16]
Julio Cesar Chavez Jr.	Mexico	Boxing	Diuretics (2010) Cannabis (2012)	[44] [45]
Michael Chavis	United States	Baseball	Dehydrochlormethyltestosterone	[46]
Zuraini Che Rose	Malaysia	Weightlifting	Metandienone	[16]
Cristiana Checchi	Italy	Shot put	Doping	[47]
Juan Ignacio Chela	Argentina	Tennis	Metil-testosterone	[48]
Chen Ganfen	China	Swimming		[49]
Shiyun Chen	China	Swimming	Prednisone	[31]
Chen Sijia	China	Swimming	Clenbuterol	[50]
Alexei Cherepanov	Russia	Ice hockey	Nikethamide	[51]
Chen Po-Pu	Chinese Taipei	Weightlifting	Methandienone	[52] [53] (in German)
Watsana Chianram	Thailand	Weightlifting	Methandienone	[16]
Viktor Chislean	Moldova	Weightlifting		[54]
Ji-man Choi	South Korea	Baseball	Methandienone	[55]
Velichko Cholakov	Bulgaria	Weightlifting	Steroids	[56]
Elais Christoforou	Cyprus	Swimming	Ephedrine	[49]
Traian Cihărean	Romania	Weightlifting		[57]
César Cielo	Brazil	Swimming	Furosemide	[58]
Marin Čilić	Croatia	Tennis	Nikethamide	[59] [60]
Anatoli Ciricu	Moldova	Weightlifting		[16]
Velichko Cholakov	Bulgaria	Weightlifting	Metandienone	[16]
Emmanuel Clase	Dominican Republic	Baseball	Boldenone	[61]
Roger Clemens	United States	Baseball	Anabolic steroids	[62]
Clemence Clerc	France	Water polo	Prednisone & Prednisolone	[63]
Madga Cojom	Guatemala	Weightlifting		[16]
Chris Colabello	United States	Baseball	Dehydrochlormethyltestosterone	[64]
Julien Colchen	France	Water polo	Terbutaline	[22]
Kleon Coleman	Belize	Volleyball	Hydrochlorothiazide, Chloraminophenamide	[65]
John Collins	United States	Basketball	GHRP-2	[66]
Alex Colomé	Dominican Republic	Baseball	Boldenone	[67]
Bartolo Colón	Dominican Republic	Baseball	Testosterone	[68]
Joe Colón	Puerto Rico	Baseball	Non-performance-enhancing drug	[69]
Carolina Colorado	Colombia	Swimming	Sibutramine	[50]
James Comben	England	Rugby union	Methylhexanamine	[70]
Gloria Comerma	Spain	Field hockey		[71]
Alberto Contador	Spain	Cycling	Clenbuterol	[72] [73]
David Cookson	United Kingdom	Rugby	Methylhexaneamine	[74]
Chris Cooper	United States	American football	THG	[75]
Kit Cope	United States	Mixed martial arts	Boldenone	[76]
Guillermo Coria	Argentina	Tennis	Nandrolone	[77]
Chris Cornes	England	Football (soccer)	Cocaine	[78]
Alizé Cornet	France	Tennis	Missed tests (later cleared due to misconduct by doping officer)	[79]
Alejandro Cortes Gonzalez	Chile	Weightlifting	Dimethylpentylamine	[16]
Leonardo Costa	Brazil	Swimming	Stanozolol	[9]
Humberto Cota	Mexico	Baseball	Performance-enhancing drug	[80]
Ben Cousins	Australia	Australian rules football	Methamphetamine (admitted to a U.S. rehab for treatment)	[81]
Fernando Couto	Portugal	Football (soccer)	Nandrolone	[82]
Alexander Crispim	Brazil	Mixed martial arts	Desoxymethyltestosterone	[83]
Cronulla-Sutherland Sharks (eleven players)	Australia	rugby league	Various supplements	[84]
Brayden Crossley	Australia	Australian rules football	Cocaine	[85]
Ryan Crowley	Australia	Australian rules football	Methadone	[86]
Francisco Cruceta	Dominican Republic	Baseball	Unspecified performance-enhancing substance (2007), stanozolol (2011)	[87] [88]
Nelson Cruz	Dominican Republic	Baseball	Performance-enhancing drugs	[3]
Rafael Cruz	Dominican Republic	Baseball	Stanozolol	[89]
Kevin Cruz Soto	Chile	Weightlifting	Dimethylpentylamine	[16]
Brian Cushing	United States	American football	hCG
Baatarsükhiin Chinzorig	Mongolia	Boxing	Metandienone metabolite	[90]

References

1. 2005 Doping Cases Report. Archived 2010-06-18 at the Wayback Machine
2. Goodwin, Michael (1986-03-01). "Baseball Orders Suspension Of 11 Drug Users". The New York Times. Archived from the original on 2012-11-12. Retrieved 2010-05-08.
3. "MLB suspensions for 12, reports say". ESPN. August 5, 2013. Retrieved June 7, 2025.
4. "Melky Cabrera suspended 50 games". ESPN. August 15, 2012. Retrieved June 7, 2025.
5. "Dan Facing Ban After Failing Drug Test". People.Co.Uk. 2006-05-07. Archived from the original on 2009-08-20. Retrieved 2012-07-24.
6. Longman, Jere (15 January 1998). "SWIMMING; Samaranch Says China Is Losing Votes for 2008". The New York Times. Retrieved 2013-08-20.
7. "Romanian weightlifter Calancea banned for doping - People's Daily Online". English.people.com.cn. 2008-01-16. Archived from the original on 2011-06-06. Retrieved 2012-07-24.
8. "Nick Calathes violates drug policy". ESPN. April 18, 2014. Retrieved July 25, 2025.
9. 2004 Doping Cases Report. Archived 2010-06-18 at the Wayback Machine
10. ANTI-DOPING PARTICIPANT SUSPENSIONS.
11. "Robinson Cano Suspended 80 Games for Positive Drug Test". The New York Times. 15 May 2018. Retrieved 2018-11-01.
12. Sanctions for doping & Disciplinary sanctions ^{[ permanent dead link ]}.
13. "www.cyclingnews.com - the world centre of cycling". Autobus.cyclingnews.com. 2004-08-09. Archived from the original on 2012-10-10. Retrieved 2012-07-24.
14. "ESPN - Baseball suspends Cameron 25 games for failed test - MLB". ESPN. 2007-10-31. Archived from the original on 2011-08-05. Retrieved 2012-07-24.
15. "SI Flashback: Totally Juiced". CNN. Archived from the original on 2010-08-05. Retrieved 2010-05-08.
16. Sanctioned athletes. Archived April 7, 2014, at the Wayback Machine
17. "Campbell banned for a year". CNN. Archived from the original on 2011-06-04. Retrieved 2010-05-08.
18. "Nine months trimmed off of Canas' doping ban". 23 May 2006. Archived from the original on 2013-11-13. Retrieved 2013-08-20.
19. "ESPN.com: MLB - Report: Canseco admits to using steroids". ESPN. 2003-07-18. Archived from the original on 2013-11-13. Retrieved 2012-02-14.
20. "www.cyclingnews.com - the world centre of cycling". Autobus.cyclingnews.com. Archived from the original on 2013-11-13. Retrieved 2012-07-24.
21. "Australian Sprinter Banned 4 Years". The New York Times. 18 March 1997. Retrieved 30 July 2021.
22. 2007 Doping Cases Report. Archived 2010-06-18 at the Wayback Machine
23. Rodriguez, Carlos (2007-05-19). "Carmona gets lifetime doping suspension". USA Today. Archived from the original on 2007-09-15. Retrieved 2010-05-08.
24. 2002 Doping Cases Report Archived 2010-06-18 at the Wayback Machine
25. "FINA DOPING PANEL DECISION". Archived from the original on 2005-10-17. Retrieved 2013-08-20.
26. "Wheelchair Tennis Player Suspended". Archived from the original on 2013-11-13. Retrieved 2013-08-20.
27. "Sport". The Guardian. London. 2008-02-10. Archived from the original on 2009-06-25. Retrieved 2010-05-08.
28. "www.cyclingnews.presents". Autobus.cyclingnews.com. 1999-01-10. Archived from the original on 2012-10-10. Retrieved 2012-07-24.
29. "Cycling: 4 new doping cases of black market drug". Associated Press. 2013-04-17. Archived from the original on 2013-11-02. Retrieved 2013-04-19.
30. Merkin, Scott (May 24, 2018). "Catcher Castillo suspended 80 games". MLB . Retrieved June 8, 2025.
31. 2011 Doping Cases Report Archived 2013-11-13 at the Wayback Machine .
32. "Italian cyclist Pietro Caucchioli receives doping ban". Archived from the original on 2013-11-12. Retrieved 2012-07-24.
33. "Rugby news, results and features from". RugbyRugby. Archived from the original on 2011-05-17. Retrieved 2012-07-24.
34. "Cyclist Greg Cavanagh suspended for doping; testosterone found in June 10 test". Archived from the original on 2013-11-13. Retrieved 2013-08-20.
35. "SMVA Antidopinga nodaļa: 2001". Antidopings.lv. Archived from the original on 2009-11-25. Retrieved 2012-07-24.
36. "Goodwill champion banned for doping". BBC News. 2001-09-26. Archived from the original on 2012-05-27. Retrieved 2010-05-08.
37. 2012 Doping Cases Report Archived 2014-07-14 at the Wayback Machine .
38. "Nets' Chandler gets 25-game PED suspension". ESPN. August 29, 2019. Retrieved July 25, 2025.
39. "Taiwan baseball player tests positive for banned substance". ESPN. Reuters. August 13, 2008. Retrieved June 8, 2025.
40. "Pratima, Chanu test positive for drugs". In.rediff.com. 2004-08-20. Archived from the original on 2010-09-17. Retrieved 2012-07-24.
41. "The Hindu : Sport / Olympic Games : I am innocent: Chanu". Hinduonnet.com. 2004-08-22. Archived from the original on 2010-05-01. Retrieved 2012-07-24.
42. 2006 Doping Cases Report Archived 2010-06-18 at the Wayback Machine
43. "Weekly Wrapup". Footy.com.au. 1997-09-01. Archived from the original on 2011-02-17. Retrieved 2012-07-24.
44. "Chavez Jr. fined, suspended". Las Vegas Review Journal. Las Vegas. 2010-03-02. Archived from the original on 2013-10-24. Retrieved 2013-08-20.
45. Bob Velin (5 October 2012). "Julio Cesar Chavez Jr. fined $20K, suspended by WBC". TheNewsStar. 2012 www.thenewsstar.com. Archived from the original on 13 November 2013. Retrieved 2012-10-06.
46. Browne, Ian (April 6, 2018). "Red Sox prospect Chavis suspended for PEDs". MLB . Retrieved June 8, 2025.
47. "Atletica, doping: positiva la Checchi (lancio del peso)". La Repubblica. Archived from the original on 2013-11-13. Retrieved 2013-05-11.
48. "Chela suspended over drugs test". BBC News. 2001-04-09. Archived from the original on 2013-11-13. Retrieved 2010-05-08.
49. 2001 Doping Cases Report Archived 2010-06-18 at the Wayback Machine
50. 2010 Doping Cases Report. Archived 2012-04-13 at the Wayback Machine
51. "Континентальная Хоккейная Лига - Заявление Континентальной хоккейной лиги по итогам расследования обстоятельств смерти хоккеиста Алексея Черепанова". Khl.ru. 2008-12-30. Archived from the original on 2013-11-13. Retrieved 2012-02-14.
52. "Roll of dishonour". rediff.com. 2000-09-30. Archived from the original on 2012-02-05. Retrieved 2012-07-24.
53. Dopingschatten über den Spielen Archived September 30, 2007, at the Wayback Machine
54. "Doping cases at the Athens Games - Olympic news- nbcsports.msnbc.com". MSNBC. 2004-08-29. Archived from the original on 2007-12-18. Retrieved 2012-07-24.
55. "Seattle 1B Choi banned 50 games for positive test". ESPN. Associated Press. April 17, 2014. Retrieved June 8, 2025.
56. The Sports Network. "Olympics". The Sports Network. Archived from the original on 2013-11-14. Retrieved 2012-07-24.
57. Macur, Juliet. "ARTICLES ABOUT WEIGHT LIFTING". The New York Times. Retrieved 2010-05-08.
58. Agense France-Presse (2 July 2011). "Positive Drug Test for Brazilian Champion". New York Times. Archived from the original on December 9, 2013. Retrieved 2013-08-20.
59. Croatia's Marin Cilic fails tennis doping test.
60. "Cilic Is Suspended Nine Months for Doping". The New York Times. 16 September 2013. Retrieved 8 September 2014.
61. "Indians reliever Emmanuel Clase suspended 80 games over PED". ESPN. Associated Press. May 1, 2020. Retrieved June 8, 2025.
62. "REPORT TO THE COMMISSIONER OF BASEBALL OF AN INDEPENDENT INVESTIGATION INTO THE ILLEGAL USE OF STEROIDS AND OTHER PERFORMANCE ENHANCING SUBSTANCES BY PLAYERS IN MAJOR LEAGUE BASEBALL" (PDF). December 13, 2007. Retrieved 2013-08-20.
63. 2009 Doping Cases Report. Archived 2010-06-18 at the Wayback Machine
64. Chisholm, Gregor (April 22, 2016). "Blue Jays' Colabello suspended 80 games". MLB . Retrieved June 8, 2025.
65. 2012 Anti-Doping Rule Violations.
66. "Hawks' John Collins suspended 25 games". NBA. November 5, 2019. Retrieved July 25, 2025.
67. "Rays' Alex Colome banned 50 games". ESPN. Associated Press. March 24, 2014. Retrieved June 8, 2025.
68. "Bartolo Colon gets 50-game ban". ESPN. Associated Press. August 22, 2012. Retrieved June 8, 2025.
69. Wild, Danny (January 8, 2016). "Cubs' Francescon, Indians' Colon suspended". MiLB . Retrieved June 8, 2025.
70. "Minor-league English rugby player banned for 6 months for positive doping test". Times_Colonist. 2013-04-19. Archived from the original on 2013-11-13. Retrieved 2013-04-19.
71. "Gloria Comerma". CNN.^{[ dead link ]}
72. Macur, Juliet (2010-09-29). "With Positive Test, Contador May Lose Tour Title". The New York Times. Retrieved 2010-09-29.
73. "Video - Breaking News Videos from". CNN.com. Archived from the original on 2014-05-11. Retrieved 2010-09-30.
74. "Oldham's David Cookson banned for six months after doping breach". 8 February 2013. Archived from the original on 2013-11-13. Retrieved 2013-08-20.
75. "BALCO investigation: Key players". USA Today. 2006-04-27. Archived from the original on 2010-03-16. Retrieved 2010-05-08.
76. "KIT COPE TESTS POSITIVE FOR STEROIDS". January 25, 2007. Archived from the original on September 21, 2007. Retrieved 2013-08-20.
77. "Steroid Nation: Tennis pro Guillermo Coria sues vitamin maker for steroid contaminated product". Grg51.typepad.com. 2007-06-13. Archived from the original on 2010-02-07. Retrieved 2012-07-24.
78. "Banned Cornes makes Wolves exit". BBC Sport. 2006-09-28. Retrieved 2009-01-14.
79. "French tennis player Alize Cornet cleared of doping charge". Fox Sports . 15 May 2018. Retrieved 9 January 2021.
80. "Minor league catcher Cota suspended 50 games for positive test". ESPN. Associated Press. May 28, 2008. Retrieved June 8, 2025.
81. Hellard, Peter (2007-10-30). "Fallen Eagle Ben Cousins starts rehab for drug abuse". The Advertiser. Retrieved 2013-08-20.
82. "Anti-doping authority recommends eight-month ban for Davids". 2007-09-27. Archived from the original on 2007-09-27. Retrieved 2012-02-14.
83. Stupp, Dann (2007-11-29). "Strikeforce's Dennis Hallman and Alexander Crispim Test Positive for Steroids". MMAjunkie.com. Archived from the original on 2012-11-22. Retrieved 2012-02-14.
84. "Cronulla Sharks players accept doping bans". The Sydney Morning Herald. 22 August 2014. Retrieved 29 August 2014.
85. "Brayden Crossley Club Statement". goldcoastfc.com.au. 8 August 2019. Retrieved 2019-10-01.
86. Lane, Samantha (11 June 2015). "Ryan Crowley gets 12-month suspension from AFL anti-doping tribunal". The Age .
87. "Rangers' Minor Leaguer suspended". MiLB. May 9, 2007. Retrieved June 8, 2025.
88. Wild, Danny (August 12, 2011). "Free agent pitcher Cruceta suspended". MiLB . Retrieved June 8, 2025.
89. "Braves' Cruz suspended for stanozolol use". MLB. June 16, 2009. Archived from the original on September 14, 2016. Retrieved June 8, 2025.
90. "International Testing Agency-Asian Games Hangzhou 2022 – The ITA notifies boxing athlete Chinzorig Baatarsukh (Mongolia) of an apparent anti-doping rule violation". International Testing Agency. Retrieved 2024-05-31.