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] Adam MacDougall Australia Rugby league Ephedrine , Amfepramone [ 4] Ariel Machado Brazil Kickboxing [ 5] Robert Machado Venezuela Baseball [ 6] Krishnan Madasamy India Weightlifting [ 7] Wesley Madhevere Zimbabwe Cricket Recreational drugs [ 8] [ 9] Gustavo Madureira Portugal Swimming Terbutaline [ 10] Gouda Maged Egypt Weightlifting Stanozolol , Hydroxystanozolol [ 11] Brian Magee United Kingdom Boxing Oxilofrine [ 12] Maurren Maggi Brazil Athletics Clostebol (in Portuguese) [ 13] Emmanuel Magnien France Cycling Corticoids [ 14] Salma Hassan Mahmoud Egypt Volleyball Steroids [ 15] Sean Mahoney United States Swimming Methylhexaneamine [ 16] Bill Mahood Canada Mixed martial arts Drostanolone [ 17] Roman Maikin Russia Cycling [ 18] Reni Maitua Australia Rugby (NRL) Clenbuterol [ 19] Igor Majcen Slovenia Swimming [ 20] Aleksandra Majda Poland Swimming Ephedrine [ 21] Aleksej Makarov Croatia Volleyball Methylhexaneamine [ 22] Joel Makencie Cuba Weightlifting Metandienone [ 11] Adam Maklari Hungary Water polo Methandienone [ 10] Nikita Maksimov Russia Swimming Oral-Turinabol [ 23] Jehad Malalla Brunei Weightlifting Methylhexanamine [ 11] Xavier Malisse Belgium Tennis Missed test [ 24] Brian Mallette United States Baseball [ 25] Daniel Maloney United Kingdom Weightlifting Anabolic steroids [ 26] Daniel Malvino Brazil Wrestling Anabolic steroids [ 27] Brandon Mann United States Baseball Ostarine [ 28] Mitchil Mann Australia Weightlifting Clenbuterol [ 29] Milka Maneva Bulgaria Weightlifting Steroids [ 30] Andrea Mangiante Italy Swimming Testosterone [ 16] Daniele Mannini Italy Football (soccer) Missed test [ 31] Ahmed Mansour Egypt Wrestling Methylhexaneamine [ 27] Eero Mäntyranta Finland Cross-country skiing Amphetamine [ 32] Ilya Manukhov Canada Wrestling Letrozole [ 33] Jesús Manzano Spain Cycling EPO, Cortisone , testosterone , human growth hormone , nandrolone , oxyglobin [ 34] Diego Maradona Argentina Football (soccer) Cocaine (1991), Ephedrine (1994), Cocaine metabolites (1997) [ 35] [ 36] [ 37] Lisa Marangon Australia Triathlon Ostarine [ 38] Kornelia Marek Poland Cross-Country Skiing Erythropoietin (EPO) [ 39] Ohman Maria India Weightlifting Metandienone [ 11] Peter Markoch Croatia Swimming Cannabis [ 16] Georgi Markov Bulgaria Weightlifting Steroids , tampering with test [ 30] [ 40] Ivan Markov Bulgaria Weightlifting Steroids [ 30] Nate Marquardt United States mixed martial arts Nandrolone [ 41] Mariana Marques Portugal Swimming Methylprednisolone [ 42] Nidia Rosa Pardo Marrugo Colombia Weightlifting [ 11] Cory Marsh Canada Gymnastics Methylhexaneamine [ 43] Mark Marshall Jamaica Football (soccer) methylhexaneamine [ 44] Alfredo Marte Dominican Republic Baseball Stanozolol [ 45] Starling Marte Dominican Republic Baseball Nandrolone [ 46] Benjamin Martel Canada Cycling Testosterone [ 47] Matsa Martha Greece Swimming Stanozolol [ 48] Carlos Martinez Canada Canadian football Methylhexaneamine [ 49] Maria Martinez Argentina Weightlifting Boldenone [ 11] Marvin Martinez El Salvador Weightlifting [ 11] Paolo Martini Italy Water polo Cannabis [ 50] Claudia Martino Italy Water polo Pseudoephedrine [ 51] Paloma Garcia Martorell Brazil Water polo Methylhexaneamine [ 50] Landon Marzullo United States Swimming Cannabis [ 10] Saeed Abdul Hameed Marwan Yemen Weightlifting [ 11] Amina Maskhadova Russia Weightlifting [ 52] Sergej Maslobojev Lithuania Kickboxing Metabolite of stanozolol [ 53] Mohamed Masoud Egypt Weightlifting Methylhexanamine [ 11] Rodolfo Massi Italy Cycling Cortisone [ 54] Petar Majstorović Switzerland Kickboxing [ 55] Francis Martes Dominican Republic Baseball Clomiphene [ 56] Fernando Martínez Dominican Republic Baseball Performance-enhancing drugs [ 57] Orelvis Martínez Dominican Republic Baseball Clomiphene [ 58] Rhys Mathieson Australia Australian rules football Oxymetholone [ 59] Kaloyan Zdravkov Matliev Bulgaria Swimming Methylhexaneamine [ 50] Martha Matsa Greece Swimming Stanozolol [ 60] Maxim Matveyev Russia Weightlifting [ 61] Tomas Matykiewicz Czech Republic Weightlifting [ 11] Brandon Mavuta Zimbabwe Cricket Recreational drugs [ 62] [ 63] Cameron Maybin United States Baseball Amphetamine [ 64] Jeremy Mayfield United States Auto racing Amphetamine [ 65] O. J. Mayo United States Basketball Dehydroepiandrosterone [ 66] Filip Mazanik Czech Republic Water polo Cannabis [ 42] Iain McCorkindale England Ten-pin bowling Benzoylecgonine [ 67] Sean McCully United States Mixed martial arts Nandrolone [ 68] Daniel McCutchen United States Baseball Methenolone , trenbolone [ 69] Kevin McDine England Darts Cocaine [ 70] Darnell McDonald United States Baseball [ 71] John McEnroe United States Tennis Cocaine (self-admitted after retirement) , steroids (self-admitted after retirement) [ 72] [ 73] Mitch McGary United States Basketball Marijuana [ 74] Mark McGwire United States Baseball Steroids (self-admitted after retirement; Major League Baseball did not test for steroids during his career) [ 75] Andrew McKirahan United States Baseball Ipamorelin [ 76] Duncan McLean Canada Canadian football [ 77] Brigitte McMahon Switzerland Triathlon Erythropoietin [ 78] Tim McNeill United States Gymnastics Triamcinolone acetonide [ 79] David Meca Spain Swimming Nandrolone [ 80] Ericka Medrano El Salvador Weightlifting [ 11] Jodie Meeks United States Basketball Ipamorelin , GHRP-2 [ 81] Nishant Mehra India Football (soccer) THC [ 82] Roland Meier Switzerland Cycling Erythropoietin (EPO) [ 83] Birgit Meineke East Germany Swimming Turinabol (self-admitted) [ 84] Filip Meirhaeghe Belgium Cycling Erythropoietin (EPO) [ 85] Jenrry Mejía Dominican Republic Baseball Stanozolol , Boldenone [ 86] Oussama Mellouli Tunisia Swimming Amphetamine (in Dutch) [ 87] Marcelo Melo Brazil Tennis Isometheptene [ 88] Sergio Mendoza Honduras Football (soccer) Steroid [ 89] Joey Meneses Mexico Baseball Stanozolol [ 90] Simon Mensing England Football (soccer) Methylhexaneamine [ 91] Eddy Merckx Belgium Cycling Reactivan , lodinated glycerol , Pemoline [ 92] Jordan Meredith Canada Canadian football [ 93] Shawne Merriman United States American football Steroid [ 94] Fadi Merza Austria Kickboxing [ 95] Kevin Mestdagh Belgium Water polo Cocaine [ 42] Nazih Samer Mezayek Jordan Swimming Nandrolone [ 10] Ammar Mezghiche Algeria Weightlifting Norandrosterone [ 11] Piotr Michalski Poland Water polo Cannabis [ 21] Jeff Michels United States Weightlifting Testosterone [ 96] Luca Michieletto Italy Water polo Cannabis [ 97] Ninel Miculsecu Romania Weightlifting T/E 19 [ 11] Mark Middleton United Kingdom Weightlifting Methyltestosterone , testosterone [ 98] Mike Mihelic Canada Canadian football [ 99] Mikayel Mikayelyan Armenia Weightlifting Stanozolol [ 11] Andrei Mikhalyov Belarus Ice hockey Methylhexaneamine [ 100] Youri Mikulchin Russia Water polo Carphedon [ 97] Toni Milanović Croatia Muay Thai Boldenone , salbutamol and methylhexanamine [ 101] Harry Milanzi Zambia Football (soccer) Cannabis [ 102] Darius Miles United States Basketball Phentarmine [ 103] [ 104] David Millar United Kingdom Cycling Erythropoietin (EPO) [ 105] Jarrell Miller United States Boxing GW501516 , EPO, growth hormone [ citation needed ] Eddie Milner United States Baseball Cocaine [ 106] [ 107] Sevdalin Minchev Bulgaria Weightlifting Furosemide [ 108] Donka Mincheva Bulgaria Weightlifting Steroids [ 30] Richa Mishra India Swimming Methylhexaneamine [ 16] Sergio Mitre United States Baseball Halodrol [ 109] Victor Mitrov Greece Weightlifting Methyltrienolone , Buprenorphine [ 11] Artak Mkrtchyan Armenia Weightlifting Metandienone [ 11] Mostafa Mohamed Egypt Wrestling Methylhexaneamine [ 27] Saufik Mohd Malaysia Weightlifting Metandienone [ 11] Denis Moiseev Russia Rowing [ 110] Fabiola Molina Brazil Swimming Methylhexaneamine [ 10] Bjarne Møller Denmark Triathlon Erythropoietin (EPO) (self-admitted) [ 111] (in Danish) Claus Michael Møller Denmark Cycling [ 112] Miskander Momynbekov Kyrgyzstan Weightlifting Stanozolol [ 11] Salvatore Monaco Italy Football (soccer) Nandrolone [ 113] Shane Monahan United States Baseball Deca-Durabolin , Winstrol & amphetamines Self-admitted in 2007, last played in minors 2003. [ 114] Marisol Monasteriodos Spain Weightlifting Heptaminol [ 11] Adalberto Mondesí United States Baseball Clenbuterol [ 115] Gianpaolo Mondini Italy Cycling Erythropoietin (EPO) [ 116] Scott Moninger United States Cycling 19-norandrosterone [ 117] Malik Monk United States Basketball [ 118] Zachary Monsees United States Swimming Cannabis [ 16] Franck Montagny France Auto Racing Cocaine [ 119] Frankie Montas Dominican Republic Baseball Ostarine [ 120] Agustin Montero Dominican Republic Baseball [ 121] Jesús Montero Venezuela Baseball Performance-enhancing drugs , dimethylbutylamine [ 57] [ 122] Erik Morales Mexico Boxing Clenbuterol [ 123] Jarosław Morawiecki Poland Ice hockey Testosterone [ 124] Josh Moreau United States Weightlifting Cannabinoids [ 125] Christophe Moreau France Cycling Erythropoietin (EPO) (self admitted) [ 126] Rui Moreira Portugal Swimming Cannabis [ 127] Cristian Moreni Italy Cycling Testosterone [ 128] María Isabel Moreno Spain Cycling Erythropoietin (EPO) [ 129] Alexander Morgunov Russia Swimming Norandrosterone , Noretiocholanolone [ 130] Franck Morland France Water polo Cocaine [ 48] Niccolò Mornati Italy Rowing Anastrozole [ 131] Luca Moro Italy Auto racing Benzoylecgonine [ 132] Daniel Moro Fernandez Spain Water polo Cannabis [ 133] Ivan Moro Fernandez Spain Water polo Cannabis [ 133] John Moroney Ireland Rugby Cannabis [ 134] Johnnie Morton United States Mixed martial arts anabolic steroids [ 135] [ 136] Mike Morse United States Baseball Steroids [ 137] Ksenia Moskvina Russia Swimming [ 138] Shane Mosley United States Boxing Tetrahydrogestrinone (THG, also known as "the clear"), Erythropoietin (EPO), and The cream [ 139] Ezequiel Mosquera Spain Cycling Hydroxyethyl starch [ 140] Guillermo Mota Dominican Republic Baseball [ 141] Said Moulla Morocco Wrestling Stanozolol , Boldenone [ 27] Bradley Mousley Australia Tennis Ecstasy [ 142] Mykhailo Mudryk Ukraine Football (soccer) Meldonium [ 143] Johann Mühlegg Spain Cross-country skiing Darbepoetin [ 144] Jarrod Mullen Australia Rugby league Drostanolone [ 145] David Munyasia Kenya Boxing Stimulant [ 146] Giuseppe Muraglia Italy Cycling hCG (Human chorionic gonadotropin) [ 147] Amar Muralidharan India Swimming Methylhexaneamine [ 16] Sam Murray Australia Australian rules football Cocaine [ 148] Thomas Murre France Beach volleyball Cannabinoids [ 15] Johan Museeuw Belgium Cycling Aranesp-darbepoetin alfa [ 149] (self-admitted) Anatoliy Mushyk Israel Weightlifting T/E 9.8 [ 11] Murtazali Muslimov Azerbaijan Wrestling Arostanolone metabolite and oxandrolone metabolites [ 150] Halil Mutlu Turkey Weightlifting Anabolic steroids [ 151] Adrian Mutu Romania Football (soccer) Cocaine [ 152] Jenna Myers Australia Weightlifting [ 153] Mika Myllylä Finland Cross-country skiing HES [ 154]