• Mabry, John
• MacCulloch, Todd
• MacDonald, Andrew
• MacDonald, Joey
• MacDougal, Mike
• Machado, Robert
• Machado, Rui
• Macias, Jose
• MacInnis, Al
• Mack, Alex
• Mack, Shelvin
• Mack, Stacey
• Mack, Tom
• Mack, Tremain
• Mackall, Michelle
• MacKenzie, Derek
• Mackey, John
• Macklin, David
• Macklin, Vernon
• MacLean, John
• Maclin, Jeremy
• MacPhail, Larry
• MacPhail, Lee
• Madden, John
• Madden, John, (ice hockey)
• Maddon, Joe
• Maddox, Tommy
• Maddux, Gregg
• Madison, Anthony
• Madison, Colin
• Madison, Sam
• Madsen, Mark
• Madsen, Steve
• Madson, Ryan
• Madu, Mossis
• Maduro, Calvin
• Maehl, Jeff
• Maese, Joe
• Magadan, Dave
• Magee, Andrew
• Maggert, Jeff
• Maggette, Corey
• Magloire, Jamaal
• Mahaffey, Ryan
• Mahan, Hunter
• Mahinmi, Ian
• Maholm, Paul
• Mahomes, Pat
• Mahut, Nicolas
• Maiava, Kaluka
• Maier, Mitch
• Majerle, Dan
• Majok, Ater
• Majoli, Iva
• Makarova, Ekaterina
• Makau, Patrick
• Malakhov, Vladimir
• Malecki, John
• Malhotra, Manny
• Malisse, Xavier
• Malkin, Evgeni
• Mallett, Ryan
• Mallon, Meg
• Malone, Karl
• Malone, Mike
• Malone, Robert
• Malone, Ryan
• Maloney, Matt
• Malsam, Tayler
• Maltbie, Roger
• Maltby, Kirk
• Manassero, Matteo
• Mancour, Larry
• Mancuso, Julia
• Maneri, Steve
• Mangini, Eric
• Mangini, Matt
• Mangold, Nick
• Mangum, Kris
• Mankins, Logan
• Mannarino, Adrian
• Mannelly, Patrick
• Manning, Danieal
• Manning, Danny
• Manning, Eli
• Manning, Peyton
• Manning, Ricky, Jr.
• Manningham, Mario
• Manship, Jeff
• Mantle, Mickey
• Manuel, Charlie
• Manuel, Jerry
• Manumaleuna, Brandon
• Manush, Heinie
• Manzanillo, Josias
• Manzella, Tommy
• Mapp, Justin
• Mara, Paul
• Mara, Wellington
• Maragh, Rajiv
• Maranville, Rabbit
• Marbury, Stephon
• Marcato, Marco
• Marchand, Brad
• Marchant, Todd
• Marchenko, Illya
• Marchetti, Gino
• Marchment, Bryan
• Marcum, Shaun
• Mare, Olindo
• Marecic, Owen
• Mariani, Marc
• Marichal, Juan
• Marinelli, Rod
• Marinez, Jhan
• Marino, Rebecca
• Marino, Steve
• Marion, Brock
• Marion, Shawn
• Markakis, Nick
• Markov, Andrei
• Markov, Danny
• Marks, Justin
• Markshausen, Zeke
• Markstrom, Jacob
• Marleau, Patrick
• Marmol, Carlos
• Maroth, Mike
• Marquard, Rube
• Marquez, Jeff
• Marquis, Jason
• Marrero, Eli
• Marsch, Jesse
• Marsh, Curtis
• Marsh, Graham
• Marshall, Brandon
• Marshall, Donyell
• Marshall, James
• Marshall, Jim
• Marshall, Kendall
• Marshall, Richard
• Marshall, Sean
• Marshall, Tyrone
• Marson, Lou
• Marte, Damaso
• Martin, Al
• Martin, Cecil
• Martin, Charly
• Martin, Curtis
• Martin, David
• Martin, Derrick
• Martin, Doug
• Martin, Jacques
• Martin, Jamie
• Martin, Kenyon
• Martin, Kevin
• Martin, Mark
• Martin, Matt
• Martin, Russell
• Martin, Sherrod
• Martin, Tee
• Martin, Todd
• Martin, Tony
• Martin, William McChesney
• Martinez, Alec
• Martinez, Chris
• Martinez, Dave
• Martinez, Edgar
• Martinez, Michael
• Martinez, Pedro
• Martinez, Richard
• Martinez, Tino
• Martinez, Victor
• Martins, Steve
• Martz, Mike
• Maryland, Russell
• Mashburn, Jamal
• Mason, Anthony
• Mason, Chris
• Mason, Derrick
• Mason, Desmond
• Mason, John
• Mason, Roger, Jr.
• Mason, Steve
• Massaquoi, Mohamed
• Massenburg, Tony
• Masset, Nick
• Massey, Chris
• Masterson, Justin
• Masthay, Tim
• Mastroeni, Pablo
• Mastrud, Jeron
• Mateo, Juan
• Mateo, Marcos
• Mathews, Eddie
• Mathews, Pete
• Mathews, Ricardo
• Mathews, Ryan
• Mathewson, Christy
• Mathieu, Tyrann
• Mathis, Clint
• Mathis, Evan
• Mathis, Jeff
• Mathis, Rashean
• Mathis, Robert
• Mathis, Terance
• Matson, Ollie
• Matsui, Hideki
• Matsuzaka, Daisuke
• Mattek-Sands, Bethanie
• Matthew, Catriona
• Matthews, Bruce
• Matthews, Casey
• Matthews, Chris
• Matthews, Clay
• Matthews, Cliff
• Matthews, John
• Matthews, Kevin, (baseball)
• Matthews, Kevin, (football)
• Matthews, Michael, (cyclist)
• Matthews, Shane
• Matthews, Wesley
• Matthias, Shawn
• Mattiace, Len
• Mattingly, Don
• Mattioli, Chase
• Mattison, Bryan
• Mattison, Greg
• Matusz, Brian
• Maualuga, Rey
• Mauer, Joe
• Mauga, Josh
• Mawae, Kevin
• Maxiell, Jason
• Maxwell, Ben
• Maxwell, Billy
• Maxwell, Byron
• May, Lucas
• Mayberry, John
• Maybin, Cameron
• Mayer, Florian
• Mayers, Jamal
• Mayes, Alonzo
• Mayfair, Billy
• Mayhew, David
• Maynard, Brad
• Maynard, Don
• Mayne, Brent
• Maynor, Eric
• Mayo, Deron
• Mayo, Jerod
• Mayo, O.J.
• Mayr-Achleitner, Patricia
• Mays, Joe
• Mays, Taylor
• Mays, Willie
• Mazeroski, Bill
• Mazza, Rich
• Mazzaro, Vin
• Mbah a Moute, Luc Richard
• Mbakwe, Trevor
• McAdoo, Bob
• McAfee, Fred
• McAfee, George
• McAfee, Pat
• McAlister, Chris
• McAllister, Chris
• McAmmond, Dean
• McBath, Darcel
• McBriar, Mat
• McBride, Brian
• McBride, Trumaine
• McBride, Turk
• McCabe, Bryan
• McCaffery, Ed
• McCain, Brice
• McCallister, Blaine
• McCamey, Demetri
• McCann, Brian
• McCann, Bryan
• McCardell, Keenan
• McCargo, John
• McCarron, Scott
• McCarthy, Brandon
• McCarthy, Colin
• McCarthy, Joe
• McCarthy, Kyle
• McCarthy, Mike
• McCarthy, Steve
• McCarthy, Tom
• McCarthy, Tommy
• McCarty, Darren
• McCarty, Sean
• McCarty, Walter
• McCaskey, Michael
• McClain, Jameel
• McClain, Le'Ron
• McClain, Rolando
• McClain, Terrell
• McClellan, Albert
• McClellan, Kyle
• McClement, Jay
• McClendon, Jacques
• McCleon, Dexter
• McCloud, Tyrus
• McClover, Darrell
• McClure, Eric
• McClure, Todd
• McCluster, Dexter
• McCollum, Andy
• McCord, Gary
• McCormack, Mike
• McCormick, Cody
• McCourty, Devin
• McCourty, Jason
• McCovey, Willie
• McCown, Josh
• McCown, Luke
• McCoy, Colt
• McCoy, Gerald
• McCoy, LeSean
• McCoy, Matt
• McCoy, Mike
• McCracken, Branch
• McCracken, Quinton
• McCrary, Michael
• McCray, Danny
• McCree, Marlon
• McCullough, Andy
• McCullough, George
• McCullough, Mike
• McCumbee, Chad
• McCumber, Mark
• McCurley, Stephan
• McCutchen, Andrew
• McCutcheon, Daylon
• McDaniel, DeAndre
• McDaniel, Ed
• McDaniel, Emmanuel
• McDaniel, Randall
• McDaniel, Tony
• McDaniels, Josh
• McDermott, Sean
• McDonagh, Ryan
• McDonald, Andy
• McDonald, Brandon
• McDonald, Clinton
• McDonald, Colin
• McDonald, Darnell
• McDonald, James
• McDonald, Joan
• McDonald, John
• McDonald, Ken
• McDonald, Nick
• McDonald, Ray
• McDonald, Tommy
• McDougal, Kevin
• McDougle, Stockar
• McDowell, Graeme
• McDowell, Michael
• McDuffie, O J
• McDuffie, O.J.
• McDyess, Antonio
• McElhenny, Hugh
• McElhinney, Curtis
• McElroy, Greg
• McElroy, Ray
• McEnroe, John
• McEwing, Joe
• McFadden, Bryant
• McFadden, Darren
• McFadden, Walter
• McFarland, Anthony
• McGahee, Willis
• McGee, Jake
• McGee, JaVale
• McGee, Jerry
• McGee, Richmond
• McGee, Stephen
• McGee, Terrence
• McGee, Tony
• McGehee, Casey
• McGill, Jill
• McGill, Rob
• McGinest, Willie
• McGinn, Jamie
• McGinnis, Michael
• McGinnis, Mike
• McGinnity, Joe
• McGlockton, Chester
• McGlynn, Mike
• McGovern, Jim
• McGowan, Bill
• McGowan, Brandon
• McGowan, Dustin
• McGrady, Tracy
• McGraw, John
• McGraw, Jon
• McGriff, Fred
• McGuire, Dominic
• McGuire, Ryan
• McGwire, Mark
• McHale, Kevin
• McIlroy, Rory
• McInnis, Jeff
• McIntosh, Chris
• McIntosh, Damion
• McIntyre, Garrett
• McKechnie, Bill
• McKee, Jay
• McKelvin, Leodis
• McKenna, Steve
• McKenzie, Jim
• McKenzie, Kareem
• McKenzie, Keith
• McKenzie, Mike
• McKeon, Jack
• McKey, Derrick
• McKie, Aaron
• McKie, Jason
• McKinley, Alvin
• McKinley, Cedric
• McKinley, Kenny
• McKinney, Bill
• McKinney, Brandon
• McKinney, Steve
• McKinnie, Bryant
• McKinnon, Ronald
• McKnight, James
• McKnight, Joe
• McLaren, Kaili
• McLaren, Kyle
• McLaughlin, John
• McLemore, Mark
• McLennan, Jamie
• McLeod, B.J.
• McLeod, Kevin
• McLouth, Nate
• McMahon, Jim
• McMahon, Mike
• McMahon, Vince
• McManis, Sherrick
• McMichael, Randy
• McMillan, Brandon
• McMillan, Nate
• McMillon, Billy
• McMillon, Todd
• McMurray, Jamie
• McNabb, Donovan
• McNair, Steve
• McNally, John
• McNamara, Rob
• McNeil, Ryan
• McNeill, Don
• McNeill, Marcus
• McNeill, Mike
• McNown, Cade
• McPhee, Bid
• McPhee, Pernell
• McQuaid, Adam
• McQuaide, Jake
• McQuarters, R.W.
• McQueary, Mike
• McQuistan, Pat
• McQuistan, Paul
• McRae, Philip
• McRath, Gerald
• McReynolds, Brandon
• McRoberts, Josh
• Meachem, Robert
• Meadows, Adam
• Mears, Casey
• Mecir, Jim
• Mediate, Rocco
• Medlen, Kris
• Medlin, Richard
• Medvedev, Andrei
• Medwick, Joe
• Meek, Evan
• Meeks, Eric
• Meeks, Jodie
• Meester, Brad
• Meier, Kerry
• Meier, Rob
• Meirelles, Fernando
• Meissner, Kimmie
• Melancon, Mark
• Melhuse, Adam
• Mellanby, Scott
• Mello, Ricardo
• Melton, Henry
• Melzer, Jurgen
• Menard, Paul
• Mendenhall, Rashard
• Mendoza, Ramiro
• Menechino, Frank
• Meola, Tony
• Mercado, Hector
• Mercedes, Jose
• Mercer, Ron
• Meredith, Jamon
• Meriweather, Brandon
• Merling, Phillip
• Merloni, Lou
• Merriman, Shawne
• Merritt, Ahmad
• Mesa, Jose
• Meshiai, Hajime
• Mesko, Zoltan
• Messier, Mark
• Meszaros, Andrej
• Metcalf, Eric
• Metcalf, Terrence
• Metheny, Mike
• Metropolit, Glen
• Meyer, Cameron
• Meyer, Dave
• Meyer, Greg
• Meyer, Robert
• Meyer, Urban
• Meyers, Dan
• Michaels, Jason
• Michalek, Milan
• Michalek, Zbynek
• Mickelson, Phil
• Mickens, Ray
• Mickolio, Kam
• Middleton, Khris
• Midget, Anthony
• Miele, Andy
• Mientkiewicz, Doug
• Miettinen, Antti
• Mihm, Chris
• Mijares, Jose
• Mikan, George
• Mikell, Quintin
• Mikkelsen, Vern
• Milburn, Glyn
• Miles, C.J.
• Miles, Darius
• Milicic, Darko
• Millar, David
• Milledge, Lastings
• Miller, Aaron
• Miller, Alice
• Miller, Allen
• Miller, Andre
• Miller, Beverly
• Miller, Bill
• Miller, Billy
• Miller, Bode
• Miller, Brad
• Miller, Brandon
• Miller, Brit
• Miller, Bruce
• Miller, Chase
• Miller, Cheryl
• Miller, Colin
• Miller, Craig
• Miller, Damian
• Miller, Drew, (ice hockey)
• Miller, Fred
• Miller, Heath
• Miller, Jamir
• Miller, Jim
• Miller, John
• Miller, Johnny
• Miller, Jordan
• Miller, Josh
• Miller, Keith
• Miller, Kevin
• Miller, Kyle
• Miller, Mike
• Miller, Nick
• Miller, Reggie
• Miller, Roy
• Miller, Ryan
• Miller, Stephanie
• Miller, Travis
• Miller, Trever
• Miller, Von
• Miller, Wade
• Miller, Zach
• Miller, Zach
• Milloy, Lawyer
• Mills, Brad
• Mills, Chris
• Mills, Joanna
• Mills, Patrick
• Millsap, Elijah
• Millsap, Paul
• Milton, Eric
• Mims, David
• Minaya, Omar
• Mincey, Jeremy
• Mines, Fontel
• Ming, Yao
• Minnis, Marvin
• Minor, Ryan
• Minoza, Frankie
• Minter, Mike
• Mirabelli, Doug
• Miranda, Juan
• Mirer, Rick
• Mironov, Boris
• Mirotic, Nikola
• Misch, Pat
• Misi, Koa
• Mitchell, Anthony
• Mitchell, Bobby
• Mitchell, Brandon
• Mitchell, Brian
• Mitchell, Donald
• Mitchell, Earl
• Mitchell, Jeff
• Mitchell, John
• Mitchell, Johnny
• Mitchell, Keith
• Mitchell, Kevin
• Mitchell, Marvin
• Mitchell, Mike
• Mitchell, Pete
• Mitchell, Sam
• Mitchell, Scott
• Mitchell, Stephanie
• Mitchell, Torrey
• Mitchell, Willie
• Mitre, Sergio
• Mitts, Heather
• Mix, Ron
• Mixon, Kenny
• Mize, Johnny
• Mize, Larry
• Mlicki, Dave
• Moala, Fili
• Moats, Arthur
• Mobley, Cuttino
• Mobley, John
• Moch, Dontay
• Modano, Mike
• Modin, Fredrik
• Modry, Jaroslav
• Moeaki, Tony
• Moeller, Chad
• Moen, Travis
• Moffitt, John
• Mohamed, Mike
• Mohammed, Nazr
• Mohler, Mike
• Molden, Alex
• Molina, Bengie
• Molina, Jose
• Molina, Yadier
• Molinari, Edoardo
• Molinari, Francesco
• Moll, Tony
• Mollema, Bauke
• Monaco, Juan
• Mondesi, Raul
• Monfils, Gael
• Monfort, Maxime
• Monroe, Eugene
• Monroe, Greg
• Montador, Steve
• Montana, Joe
• Montanes, Albert
• Montero, Miguel
• Montgomery, Jim
• Montgomery, Joe
• Montgomery, Monty
• Montoya, Al
• Montoya, Juan
• Moodie, Janice
• Moody, Orville
• Moon, Jamario
• Moore, Adam
• Moore, Brandon
• Moore, Charles
• Moore, Corey
• Moore, D.J.
• Moore, Damon
• Moore, Dave
• Moore, Denarius
• Moore, Dominic
• Moore, E'Twaun
• Moore, Evan
• Moore, Freddie
• Moore, Herman
• Moore, Jason
• Moore, Jessica
• Moore, Josh
• Moore, Joshua
• Moore, Larry
• Moore, Marlon
• Moore, Marty
• Moore, Matt
• Moore, Maya
• Moore, Mewelde
• Moore, Mike
• Moore, Mikki
• Moore, Pat
• Moore, Rahim
• Moore, Rob
• Moore, Ron
• Moore, Ryan
• Moore, Sterling
• Moore, Tom
• Moorman, Brian
• Mora, Melvin
• Morales, Franklin
• Morales, Jose
• Morales, Kendrys
• Moran, Sean
• Moreau, Ethan
• Morel, Brent
• Moreland, Bob
• Moreland, Jake
• Moreland, Mitch
• Moreno, Jaime
• Moreno, Juan
• Moreno, Knowshon
• Morey, Sean
• Morgan, Alex
• Morgan, Derrick
• Morgan, Don
• Morgan, Doug
• Morgan, Gil
• Morgan, Joe, (baseball)
• Morgan, John
• Morgan, Josh
• Morgan, Nyjer
• Morgan, Walter
• Morin, Jeremy
• Morita, Ayumi
• Morley, Michael
• Morneau, Justin
• Morrah, Cameron
• Morris, Aric
• Morris, Darius, (basketball)
• Morris, Derek
• Morris, Marcus
• Morris, Markieff
• Morris, Matt
• Morris, Maurice
• Morris, Raheem
• Morris, Rob
• Morris, Sammy
• Morris, Terence
• Morrison, Bill
• Morrison, Brendan
• Morrison, Logan
• Morrow, Anthony
• Morrow, Brandon
• Morrow, Brenden
• Morse, Andrew
• Morse, John
• Morse, Michael
• Morton, Brian
• Morton, Chad
• Morton, Charlie
• Morton, James
• Morton, Johnnie
• Morton, Mike
• Moscoso, Guillermo
• Moseley, Dustin
• Moses, J.J.
• Mosley, C.J.
• Moss, Jarvis
• Moss, Randy
• Moss, Santana
• Moss, Sinorice
• Mota, Guillermo
• Moten, Adrian
• Motley, Marion
• Motte, Jason
• Moulds, Eric
• Moulson, Matt
• Mourning, Alonzo
• Mouton, Jonas
• Moya, Carlos
• Moyer, Jamie
• Moylan, Peter
• Mozgov, Timofey
• Mruczkowski, Scott
• Mucha, Barb
• Mueller, Chris
• Mueller, Cindy
• Mueller, Peter
• Mughelli, Ovie
• Muhammad, Muhsin
• Muir, Daniel
• Mujica, Edward
• Mulder, Mark
• Mulitalo, Edwin
• Mullan, Brian
• Mullens, Byron
• Muller, Kirk
• Mulligan, Matthew
• Mullin, Chris
• Mullins, Moon
• Mulrooney, Richard
• Munchak, Mike
• Mundy, Ryan
• Munnerlyn, Captain
• Munoz, Anthony
• Murcer, Bobby
• Murota, Kiyoshi
• Murphy, Bob
• Murphy, Daniel
• Murphy, David
• Murphy, Debbie
• Murphy, Dick
• Murphy, Frank
• Murphy, Gord
• Murphy, Joe
• Murphy, Louis
• Murphy, Matt
• Murphy, Mike
• Murphy, Rob
• Murphy, Sean
• Murphy, Troy
• Murray, Andrew
• Murray, Andy
• Murray, Calvin
• Murray, DeMarco
• Murray, Douglas
• Murray, Eddie
• Murray, Lamond
• Murray, Marty
• Murray, Pat
• Murray, Tracy
• Murton, Matt
• Musial, Stan
• Mussina, Mike
• Musso, George
• Mustain, Mitch
• Mutombo, Dikembe
• Myers, Brandon
• Myers, Brett
• Myers, Chris
• Myers, Greg
• Myers, Jim
• Myers, Michael