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] Mohamed Masoud Egypt Weightlifting Methylhexanamine [ 11] Rodolfo Massi Italy Cycling Cortisone [ 53] Petar Majstorović Switzerland Kickboxing [ 54] Francis Martes Dominican Republic Baseball Clomiphene [ 55] Fernando Martínez Dominican Republic Baseball Performance-enhancing drugs [ 56] Orelvis Martínez Dominican Republic Baseball Clomiphene [ 57] Kaloyan Zdravkov Matliev Bulgaria Swimming Methylhexaneamine [ 50] Martha Matsa Greece Swimming Stanozolol [ 58] Maxim Matveyev Russia Weightlifting [ 59] Tomas Matykiewicz Czech Republic Weightlifting [ 11] Brandon Mavuta Zimbabwe Cricket Recreational drugs [ 60] [ 61] Cameron Maybin United States Baseball Amphetamine [ 62] Jeremy Mayfield United States Auto racing Amphetamine [ 63] O. J. Mayo United States Basketball Dehydroepiandrosterone [ 64] Filip Mazanik Czech Republic Water polo Cannabis [ 42] Iain McCorkindale England Ten-pin bowling Benzoylecgonine [ 65] Sean McCully United States Mixed martial arts Nandrolone [ 66] Daniel McCutchen United States Baseball Methenolone , trenbolone [ 67] Kevin McDine England Darts Cocaine [ 68] Darnell McDonald United States Baseball [ 69] John McEnroe United States Tennis Cocaine (self-admitted after retirement) , steroids (self-admitted after retirement) [ 70] [ 71] Mitch McGary United States Basketball Marijuana [ 72] Mark McGwire United States Baseball Steroids (self-admitted after retirement; Major League Baseball did not test for steroids during his career) [ 73] Andrew McKirahan United States Baseball Ipamorelin [ 74] Duncan McLean Canada Canadian football [ 75] Brigitte McMahon Switzerland Triathlon Erythropoietin [ 76] Tim McNeill United States Gymnastics Triamcinolone acetonide [ 77] David Meca Spain Swimming Nandrolone [ 78] Ericka Medrano El Salvador Weightlifting [ 11] Jodie Meeks United States Basketball Ipamorelin , GHRP-2 [ 79] Nishant Mehra India Football (soccer) THC [ 80] Roland Meier Switzerland Cycling Erythropoietin (EPO) [ 81] Birgit Meineke East Germany Swimming Turinabol (self-admitted) [ 82] Filip Meirhaeghe Belgium Cycling Erythropoietin (EPO) [ 83] Jenrry Mejía Dominican Republic Baseball Stanozolol , Boldenone [ 84] Oussama Mellouli Tunisia Swimming Amphetamine (in Dutch) [ 85] Marcelo Melo Brazil Tennis Isometheptene [ 86] Sergio Mendoza Honduras Football (soccer) Steroid [ 87] Joey Meneses Mexico Baseball Stanozolol [ 88] Simon Mensing England Football (soccer) Methylhexaneamine [ 89] Eddy Merckx Belgium Cycling Reactivan , lodinated glycerol , Pemoline [ 90] Jordan Meredith Canada Canadian football [ 91] Shawne Merriman United States American football Steroid [ 92] Fadi Merza Austria Kickboxing [ 93] 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 [ 94] Luca Michieletto Italy Water polo Cannabis [ 95] Ninel Miculsecu Romania Weightlifting T/E 19 [ 11] Mark Middleton United Kingdom Weightlifting Methyltestosterone , testosterone [ 96] Mike Mihelic Canada Canadian football [ 97] Mikayel Mikayelyan Armenia Weightlifting Stanozolol [ 11] Andrei Mikhalyov Belarus Ice hockey Methylhexaneamine [ 98] Youri Mikulchin Russia Water polo Carphedon [ 95] Toni Milanović Croatia Muay Thai Boldenone , salbutamol and methylhexanamine [ 99] Harry Milanzi Zambia Football (soccer) Cannabis [ 100] Darius Miles United States Basketball Phentarmine [ 101] [ 102] David Millar United Kingdom Cycling Erythropoietin (EPO) [ 103] Jarrell Miller United States Boxing GW501516 , EPO, growth hormone [ citation needed ] Eddie Milner United States Baseball Cocaine [ 104] [ 105] Sevdalin Minchev Bulgaria Weightlifting Furosemide [ 106] Donka Mincheva Bulgaria Weightlifting Steroids [ 30] Richa Mishra India Swimming Methylhexaneamine [ 16] Sergio Mitre United States Baseball Halodrol [ 107] 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 [ 108] Fabiola Molina Brazil Swimming Methylhexaneamine [ 10] Bjarne Møller Denmark Triathlon Erythropoietin (EPO) (self-admitted) [ 109] (in Danish) Claus Michael Møller Denmark Cycling [ 110] Miskander Momynbekov Kyrgyzstan Weightlifting Stanozolol [ 11] Salvatore Monaco Italy Football (soccer) Nandrolone [ 111] Shane Monahan United States Baseball Deca-Durabolin , Winstrol & amphetamines Self-admitted in 2007, last played in minors 2003. [ 112] Marisol Monasteriodos Spain Weightlifting Heptaminol [ 11] Adalberto Mondesí United States Baseball Clenbuterol [ 113] Gianpaolo Mondini Italy Cycling Erythropoietin (EPO) [ 114] Scott Moninger United States Cycling 19-norandrosterone [ 115] Malik Monk United States Basketball [ 116] Zachary Monsees United States Swimming Cannabis [ 16] Franck Montagny France Auto Racing Cocaine [ 117] Frankie Montas Dominican Republic Baseball Ostarine [ 118] Agustin Montero Dominican Republic Baseball [ 119] Jesús Montero Venezuela Baseball Performance-enhancing drugs , dimethylbutylamine [ 56] [ 120] Erik Morales Mexico Boxing Clenbuterol [ 121] Jarosław Morawiecki Poland Ice hockey Testosterone [ 122] Josh Moreau United States Weightlifting Cannabinoids [ 123] Christophe Moreau France Cycling Erythropoietin (EPO) (self admitted) [ 124] Rui Moreira Portugal Swimming Cannabis [ 125] Cristian Moreni Italy Cycling Testosterone [ 126] María Isabel Moreno Spain Cycling Erythropoietin (EPO) [ 127] Alexander Morgunov Russia Swimming Norandrosterone , Noretiocholanolone [ 128] Franck Morland France Water polo Cocaine [ 48] Niccolò Mornati Italy Rowing Anastrozole [ 129] Luca Moro Italy Auto racing Benzoylecgonine [ 130] Daniel Moro Fernandez Spain Water polo Cannabis [ 131] Ivan Moro Fernandez Spain Water polo Cannabis [ 131] John Moroney Ireland Rugby Cannabis [ 132] Johnnie Morton United States Mixed martial arts anabolic steroids [ 133] [ 134] Mike Morse United States Baseball Steroids [ 135] Ksenia Moskvina Russia Swimming [ 136] Shane Mosley United States Boxing Tetrahydrogestrinone (THG, also known as "the clear"), Erythropoietin (EPO), and The cream [ 137] Ezequiel Mosquera Spain Cycling Hydroxyethyl starch [ 138] Guillermo Mota Dominican Republic Baseball [ 139] Said Moulla Morocco Wrestling Stanozolol , Boldenone [ 27] Bradley Mousley Australia Tennis Ecstasy [ 140] Mykhailo Mudryk Ukraine Football (soccer) Meldonium [ 141] Johann Mühlegg Spain Cross-country skiing Darbepoetin [ 142] Jarrod Mullen Australia Rugby league Drostanolone [ 143] David Munyasia Kenya Boxing Stimulant [ 144] Giuseppe Muraglia Italy Cycling hCG (Human chorionic gonadotropin) [ 145] Amar Muralidharan India Swimming Methylhexaneamine [ 16] Sam Murray Australia Australian rules football Cocaine [ 146] Thomas Murre France Beach volleyball Cannabinoids [ 15] Johan Museeuw Belgium Cycling Aranesp-darbepoetin alfa [ 147] (self-admitted) Anatoliy Mushyk Israel Weightlifting T/E 9.8 [ 11] Murtazali Muslimov Azerbaijan Wrestling Arostanolone metabolite and oxandrolone metabolites [ 148] Halil Mutlu Turkey Weightlifting Anabolic steroids [ 149] Adrian Mutu Romania Football (soccer) Cocaine [ 150] Jenna Myers Australia Weightlifting [ 151] Mika Myllylä Finland Cross-country skiing HES [ 152]