Name Country Event Banned substance(s) Reference(s) Ma Wenhua China Weightlifting [1] Mbulelo Mabizela South Africa Football (soccer) Cannabis [2] Enzo Maccarinelli United Kingdom Boxing Methylhexaneamine (MHA) [3] Ariel Machado Brazil Kickboxing [4] Krishnan Madasamy India Weightlifting [5] Wesley Madhevere Zimbabwe Cricket Recreational drugs [6] [7] Gustavo Madureira Portugal Swimming Terbutaline [8] Gouda Maged Egypt Weightlifting Stanozolol, Hydroxystanozolol [9] Brian Magee United Kingdom Boxing Oxilofrine [10] Maurren Maggi Brazil Athletics Clostebol (in Portuguese) [11] Emmanuel Magnien France Cycling Corticoids [12] Salma Hassan Mahmoud Egypt Volleyball Steroids [13] Sean Mahoney United States Swimming Methylhexaneamine [14] Bill Mahood Canada Mixed martial arts Drostanolone [15] Roman Maikin Russia Cycling [16] Reni Maitua Australia Rugby (NRL) Clenbuterol [17] Igor Majcen Slovenia Swimming [18] Aleksandra Majda Poland Swimming Ephedrine [19] Aleksej Makarov Croatia Volleyball Methylhexaneamine [20] Joel Makencie Cuba Weightlifting Metandienone [9] Adam Maklari Hungary Water polo Methandienone [8] Nikita Maksimov Russia Swimming Oral-Turinabol [21] Jehad Malalla Brunei Weightlifting Methylhexanamine [9] Xavier Malisse Belgium Tennis Missed test [22] Daniel Maloney United Kingdom Weightlifting Anabolic steroids [23] Daniel Malvino Brazil Wrestling Anabolic steroids [24] Mitchil Mann Australia Weightlifting Clenbuterol [25] Milka Maneva Bulgaria Weightlifting Steroids [26] Andrea Mangiante Italy Swimming Testosterone [14] Daniele Mannini Italy Football (soccer) Missed test [27] Ahmed Mansour Egypt Wrestling Methylhexaneamine [24] Eero Mäntyranta Finland Cross-country skiing Amphetamine [28] Ilya Manukhov Canada Wrestling Letrozole [29] Jesús Manzano Spain Cycling EPO, Cortisone, testosterone, human growth hormone, nandrolone, oxyglobin [30] Diego Maradona Argentina Football (soccer) Cocaine (1991), Ephedrine (1994), Cocaine metabolites (1997) [31] [32] [33] Kornelia Marek Poland Cross-Country Skiing Erythropoietin (EPO) [34] Ohman Maria India Weightlifting Metandienone [9] Peter Markoch Croatia Swimming Cannabis [14] Georgi Markov Bulgaria Weightlifting Steroids, tampering with test [26] [35] Ivan Markov Bulgaria Weightlifting Steroids [26] Nate Marquardt United States mixed martial arts Nandrolone [36] Mariana Marques Portugal Swimming Methylprednisolone [37] Nidia Rosa Pardo Marrugo Colombia Weightlifting [9] Cory Marsh Canada Gymnastics Methylhexaneamine [38] Mark Marshall Jamaica Football (soccer) methylhexaneamine [39] Starling Marte Dominican Republic Baseball Nandrolone [40] Benjamin Martel Canada Cycling Testosterone [41] Matsa Martha Greece Swimming Stanozolol [42] Carlos Martinez Canada Canadian football Methylhexaneamine [43] Maria Martinez Argentina Weightlifting Boldenone [9] Marvin Martinez El Salvador Weightlifting [9] Paolo Martini Italy Water polo Cannabis [44] Claudia Martino Italy Water polo Pseudoephedrine [45] Paloma Garcia Martorell Brazil Water polo Methylhexaneamine [44] Landon Marzullo United States Swimming Cannabis [8] Saeed Abdul Hameed Marwan Yemen Weightlifting [9] Amina Maskhadova Russia Weightlifting [46] Mohamed Masoud Egypt Weightlifting Methylhexanamine [9] Rodolfo Massi Italy Cycling Cortisone [47] Petar Majstorović Switzerland Kickboxing [48] Kaloyan Zdravkov Matliev Bulgaria Swimming Methylhexaneamine [44] Martha Matsa Greece Swimming Stanozolol [49] Maxim Matveyev Russia Weightlifting [50] Tomas Matykiewicz Czech Republic Weightlifting [9] Brandon Mavuta Zimbabwe Cricket Recreational drugs [51] [52] Jeremy Mayfield United States Auto racing Amphetamine [53] O. J. Mayo United States Basketball Dehydroepiandrosterone [54] Filip Mazanik Czech Republic Water polo Cannabis [37] Iain McCorkindale England Ten-pin bowling Benzoylecgonine [55] Sean McCully United States Mixed martial arts Nandrolone [56] Kevin McDine England Darts Cocaine [57] Mark McGwire United States Baseball Steroids (self-admitted after retirement; Major League Baseball did not test for steroids during his career) [58] Duncan McLean Canada Canadian football [59] Brigitte McMahon Switzerland Triathlon Erythropoietin [60] Tim McNeill United States Gymnastics Triamcinolone acetonide [61] David Meca Spain Swimming Nandrolone [62] Ericka Medrano El Salvador Weightlifting [9] Nishant Mehra India Football (soccer) THC [63] Roland Meier Switzerland Cycling Erythropoietin (EPO) [64] Birgit Meineke East Germany Swimming Turinabol (self-admitted) [65] Filip Meirhaeghe Belgium Cycling Erythropoietin (EPO) [66] Jenrry Mejía Dominican Republic Baseball Stanozolol, Boldenone [67] Oussama Mellouli Tunisia Swimming Amphetamine (in Dutch) [68] Marcelo Melo Brazil Tennis Isometheptene [69] Sergio Mendoza Honduras Football (soccer) Steroid [70] Joey Meneses Mexico Baseball Stanozolol [71] Simon Mensing England Football (soccer) Methylhexaneamine [72] Eddy Merckx Belgium Cycling Reactivan , lodinated glycerol , Pemoline [73] Jordan Meredith Canada Canadian football [74] Shawne Merriman United States American football Steroid [75] Fadi Merza Austria Kickboxing [76] Kevin Mestdagh Belgium Water polo Cocaine [37] Nazih Samer Mezayek Jordan Swimming Nandrolone [8] Ammar Mezghiche Algeria Weightlifting Norandrosterone [9] Piotr Michalski Poland Water polo Cannabis [19] Jeff Michels United States Weightlifting Testosterone [77] Luca Michieletto Italy Water polo Cannabis [78] Ninel Miculsecu Romania Weightlifting T/E 19 [9] Mark Middleton United Kingdom Weightlifting Methyltestosterone, testosterone [79] Mike Mihelic Canada Canadian football [80] Mikayel Mikayelyan Armenia Weightlifting Stanozolol [9] Andrei Mikhalyov Belarus Ice hockey Methylhexaneamine [81] Youri Mikulchin Russia Water polo Carphedon [78] Toni Milanović Croatia Muay Thai Boldenone , salbutamol and methylhexanamine [82] Harry Milanzi Zambia Football (soccer) Cannabis [83] David Millar United Kingdom Cycling Erythropoietin (EPO) [84] Jarrell Miller United States Boxing GW501516, EPO, growth hormone [ citation needed ] Sevdalin Minchev Bulgaria Weightlifting Furosemide [85] Donka Mincheva Bulgaria Weightlifting Steroids [26] Richa Mishra India Swimming Methylhexaneamine [14] Victor Mitrov Greece Weightlifting Methyltrienolone, Buprenorphine [9] Artak Mkrtchyan Armenia Weightlifting Metandienone [9] Mostafa Mohamed Egypt Wrestling Methylhexaneamine [24] Saufik Mohd Malaysia Weightlifting Metandienone [9] Denis Moiseev Russia Rowing [86] Fabiola Molina Brazil Swimming Methylhexaneamine [8] Bjarne Møller Denmark Triathlon Erythropoietin (EPO) (self-admitted) [87] (in Danish) Claus Michael Møller Denmark Cycling [88] Miskander Momynbekov Kyrgyzstan Weightlifting Stanozolol [9] Salvatore Monaco Italy Football (soccer) Nandrolone [89] Shane Monahan United States Baseball Deca-Durabolin , Winstrol & amphetamines Self-admitted in 2007, last played in minors 2003. [90] Marisol Monasteriodos Spain Weightlifting Heptaminol [9] Gianpaolo Mondini Italy Cycling Erythropoietin (EPO) [91] Scott Moninger United States Cycling 19-norandrosterone [92] Zachary Monsees United States Swimming Cannabis [14] Franck Montagny France Auto Racing Cocaine [93] Agustin Montero Dominican Republic Baseball [94] Erik Morales Mexico Boxing Clenbuterol [95] Jarosław Morawiecki Poland Ice hockey Testosterone [96] Josh Moreau United States Weightlifting Cannabinoids [97] Christophe Moreau France Cycling Erythropoietin (EPO) (self admitted) [98] Rui Moreira Portugal Swimming Cannabis [99] Cristian Moreni Italy Cycling Testosterone [100] María Isabel Moreno Spain Cycling Erythropoietin (EPO) [101] Alexander Morgunov Russia Swimming Norandrosterone, Noretiocholanolone [102] Franck Morland France Water polo Cocaine [42] Niccolò Mornati Italy Rowing Anastrozole [103] Luca Moro Italy Auto racing Benzoylecgonine [104] Daniel Moro Fernandez Spain Water polo Cannabis [105] Ivan Moro Fernandez Spain Water polo Cannabis [105] John Moroney Ireland Rugby Cannabis [106] Johnnie Morton United States Mixed martial arts anabolic steroids [107] [108] Mike Morse United States Baseball Steroids [109] Ksenia Moskvina Russia Swimming [110] Shane Mosley United States Boxing Tetrahydrogestrinone (THG, also known as "the clear"), Erythropoietin (EPO), and The cream [111] Ezequiel Mosquera Spain Cycling Hydroxyethyl starch [112] Guillermo Mota Dominican Republic Baseball [113] Said Moulla Morocco Wrestling Stanozolol, Boldenone [24] Mykhailo Mudryk Ukraine Football (soccer) Meldonium [114] Johann Mühlegg Spain Cross-country skiing Darbepoetin [115] Jarrod Mullen Australia Rugby league Drostanolone [116] David Munyasia Kenya Boxing Stimulant [117] Giuseppe Muraglia Italy Cycling hCG (Human chorionic gonadotropin) [118] Amar Muralidharan India Swimming Methylhexaneamine [14] Sam Murray Australia Australian rules football Cocaine [119] Thomas Murre France Beach volleyball Cannabinoids [13] Johan Museeuw Belgium Cycling Aranesp-darbepoetin alfa [120] (self-admitted) Anatoliy Mushyk Israel Weightlifting T/E 9.8 [9] Murtazali Muslimov Azerbaijan Wrestling Arostanolone metabolite and oxandrolone metabolites [121] Halil Mutlu Turkey Weightlifting Anabolic steroids [122] Adrian Mutu Romania Football (soccer) Cocaine [123] Jenna Myers Australia Weightlifting [124] Mika Myllylä Finland Cross-country skiing HES [125]