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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MacDougal, Mike | RP | Kansas City Royals | 28 | 03/05/1986 | Las Vegas | USA | Right | Right | 6' 4" | 195 lbs | - |
| Macfarlane, Mike | C | Kansas City Royals | 29 | 04/12/1985 | Stockton | USA | Right | Right | 6' 1" | 205 lbs | - |
| Machado, Manny | 3B | San Diego Padres | 30 | 07/06/1984 | Miami | USA | Right | Right | 6' 3" | 220 lbs | - |
| Mack, Shane | LF | Minnesota Twins | 30 | 12/07/1983 | Los Angeles | USA | Right | Right | 6' 0" | 190 lbs | - |
| Maddux, Greg | SP | Atlanta Braves | 29 | 04/14/1985 | San Angelo | USA | Right | Right | 6' 0" | 170 lbs | - |
| Madlock, Bill | 3B | Pittsburgh Pirates | 30 | 01/02/1984 | Memphis | USA | Right | Right | 5' 11" | 185 lbs | - |
| Madson, Ryan | RP | Philadelphia Phillies | 30 | 08/28/1984 | Long Beach | USA | Left | Right | 6' 6" | 180 lbs | - |
| Magadan, Dave | 1B | New York Mets | 28 | 09/30/1986 | Tampa | USA | Left | Right | 6' 3" | 200 lbs | - |
| Magee, Sherry | LF | Philadelphia Phillies | 26 | 08/06/1988 | Clarendon | USA | Right | Right | 5' 11" | 180 lbs | - |
| Maglie, Sal | SP | San Francisco Giants | 34 | 04/26/1980 | Niagara Falls | USA | Right | Right | 6' 2" | 180 lbs | - |
| Maloney, Jim | RP | Cincinnati Reds | 23 | 06/02/1991 | Fresno | USA | Left | Right | 6' 2" | 205 lbs | - |
| Maltese, Shay | RP | Free Agent | 23 | 03/12/1991 | Superior | USA | Right | Right | 6' 2" | 200 lbs | - |
| Malzone, Frank | 3B | Boston Red Sox | 29 | 02/28/1985 | Unknown | USA | Right | Right | 5' 10" | 180 lbs | - |
| Mantei, Matt | RP | Arizona Diamondbacks | 30 | 07/07/1984 | Tampa | USA | Right | Right | 6' 1" | 180 lbs | - |
| Mantle, Mickey | CF | New York Yankees | 25 | 10/20/1989 | Unknown | USA | Switch | Right | 5' 11" | 200 lbs | - |
| Manush, Heinie | LF | Minnesota Twins | 27 | 07/20/1987 | Tuscumbia | USA | Left | Left | 6' 1" | 200 lbs | - |
| Manwaring, Kirt | C | Colorado Rockies | 28 | 07/15/1986 | Elmira | USA | Right | Right | 5' 11" | 190 lbs | - |
| Maranville, Rabbit | SS | Atlanta Braves | 24 | 11/11/1989 | Springfield | USA | Right | Right | 5' 5" | 155 lbs | - |
| Marberry, Firpo | SP | Minnesota Twins | 30 | 11/30/1983 | Unknown | USA | Right | Right | 6' 1" | 190 lbs | - |
| Marichal, Juan | RP | San Francisco Giants | 29 | 10/20/1985 | Unknown | DOM | Right | Right | 6' 0" | 185 lbs | - |
| Marion, Marty | SS | St. Louis Cardinals | 24 | 12/01/1989 | Unknown | USA | Right | Right | 6' 2" | 170 lbs | - |
| Maris, Roger | RF | New York Yankees | 27 | 09/10/1987 | Hibbing | USA | Left | Right | 6' 0" | 205 lbs | - |
| Markakis, Nick | RF | Baltimore Orioles | 24 | 11/17/1989 | Woodstock | USA | Left | Left | 6' 2" | 195 lbs | - |
| Markey, Brad | RP | Free Agent | 22 | 03/03/1992 | Bel Air | USA | Right | Right | 5' 11" | 185 lbs | - |
| Marmol, Carlos | RP | Chicago Cubs | 26 | 10/14/1988 | Bonao | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Marshall, Mike G | RP | Minnesota Twins | 29 | 01/15/1985 | Adrian | USA | Right | Right | 5' 10" | 180 lbs | - |
| Marshall, Sean | CL | Chicago Cubs | 29 | 08/30/1985 | Richmond | USA | Left | Left | 6' 7" | 205 lbs | - |
| Marte, Ketel | CF | Arizona Diamondbacks | 26 | 10/12/1988 | Nizao | DOM | Switch | Right | 6' 1" | 210 lbs | - |
| Marte, Pedro | RP | Los Angeles Dodgers | 24 | 10/15/1990 | Allouez | USA | Right | Right | 6' 0" | 200 lbs | - |
| Martin, Jamal | CF | Free Agent | 21 | 01/15/1993 | West Palm Beach | USA | Right | Right | 6' 0" | 180 lbs | - |
| Martin, Russell | C | Los Angeles Dodgers | 24 | 02/15/1990 | Unknown | CAN | Right | Right | 5' 10" | 210 lbs | - |
| Martin, Taylor | RP | Free Agent | 22 | 01/09/1992 | Lexington | USA | Right | Right | 6' 4" | 195 lbs | - |
| Martinez, Buck | C | Toronto Blue Jays | 34 | 11/07/1979 | Redding | USA | Right | Right | 5' 10" | 190 lbs | - |
| Martinez, Carmelo | LF | San Diego Padres | 27 | 07/28/1987 | Dorado | PUR | Right | Right | 6' 2" | 220 lbs | - |
| Martinez, Dave | RF | Tampa Bay Rays | 32 | 09/26/1982 | New York | USA | Left | Left | 5' 10" | 175 lbs | - |
| Martinez, Dennis | SP | Washington Nationals | 37 | 05/14/1977 | Granada | NCA | Right | Right | 6' 1" | 185 lbs | - |
| Martinez, Edgar | 3B | Seattle Mariners | 32 | 01/02/1982 | New York | USA | Right | Right | 5' 11" | 210 lbs | - |
| Martinez, Pedro J | SP | Washington Nationals | 28 | 10/25/1986 | Unknown | DOM | Right | Right | 5' 11" | 170 lbs | - |
| Martinez, Seth | SP | Free Agent | 20 | 08/29/1994 | Peoria | USA | Right | Right | 6' 3" | 180 lbs | - |
| Martinez, Tino | 1B | Seattle Mariners | 29 | 12/07/1984 | Tampa | USA | Left | Right | 6' 2" | 210 lbs | - |
| Martinez, Tippy | RP | Baltimore Orioles | 33 | 05/31/1981 | La Junta | USA | Left | Left | 5' 10" | 180 lbs | - |
| Martinez, Victor | C | Cleveland Indians | 28 | 12/23/1985 | Unknown | VEN | Switch | Right | 6' 2" | 170 lbs | - |
| Martínez, Alfonso | RP | Los Angeles Dodgers | 23 | 10/25/1991 | Middletown Township | USA | Right | Right | 6' 0" | 200 lbs | - |
| Masset, Nick | RP | Cincinnati Reds | 27 | 05/17/1987 | Unknown | USA | Right | Right | 6' 4" | 190 lbs | - |
| Mathews, Eddie | 3B | Atlanta Braves | 22 | 10/13/1992 | Texarkana | USA | Left | Right | 6' 1" | 200 lbs | - |
| Mathewson, Christy | SP | San Francisco Giants | 28 | 08/12/1986 | Factoryville | USA | Right | Right | 6' 1" | 195 lbs | - |
| Matsui, Kazuo | 2B | Colorado Rockies | 33 | 10/23/1981 | Osaka | JPN | Switch | Right | 5' 10" | 185 lbs | - |
| Mattingly, Don | 1B | New York Yankees | 25 | 04/20/1989 | Evansville | USA | Left | Left | 6' 0" | 175 lbs | - |
| Mauer, Joe | C | Minnesota Twins | 23 | 04/19/1991 | Unknown | USA | Left | Right | 6' 5" | 220 lbs | - |
| Maxwell, Logan | RP | Los Angeles Dodgers | 27 | 02/05/1987 | Jacksonville | USA | Right | Right | 5' 10" | 180 lbs | - |
| May, Dave | CF | Milwaukee Brewers | 29 | 12/23/1984 | New Castle | USA | Left | Right | 5' 10" | 185 lbs | - |
| May, Lee | 1B | Baltimore Orioles | 28 | 03/23/1986 | Birmingham | USA | Right | Right | 6' 3" | 205 lbs | - |
| Mayberry Sr, John | 1B | Kansas City Royals | 23 | 02/18/1991 | Detroit | USA | Left | Left | 6' 3" | 220 lbs | - |
| Maybin, Cameron | CF | San Diego Padres | 24 | 04/04/1990 | Asheville | USA | Right | Right | 6' 4" | 205 lbs | - |
| Mayer, Erskine | CL | Philadelphia Phillies | 25 | 01/16/1989 | Atlanta | USA | Right | Right | 6' 0" | 170 lbs | - |
| Mayne, Brent | C | Kansas City Royals | 32 | 04/19/1982 | Loma Linda | USA | Left | Right | 6' 1" | 190 lbs | - |
| Mays, Willie | CF | San Francisco Giants | 23 | 05/06/1991 | Westfield | USA | Right | Right | 5' 11" | 180 lbs | - |
| Mazeroski, Bill | 2B | Pittsburgh Pirates | 22 | 09/05/1992 | Wheeling | USA | Right | Right | 5' 11" | 185 lbs | - |
| Mazzilli, Lee | CF | New York Mets | 24 | 03/25/1990 | New York | USA | Switch | Right | 6' 1" | 185 lbs | - |
| McBride, Bake | RF | Philadelphia Phillies | 28 | 02/03/1986 | Fulton | USA | Left | Right | 6' 2" | 190 lbs | - |
| McBride, Ken | SP | Los Angeles Angels | 28 | 08/12/1986 | Huntsville | USA | Right | Right | 6' 0" | 195 lbs | - |
| McCann, Brian | C | Atlanta Braves | 22 | 02/20/1992 | Athens | USA | Left | Right | 6' 3" | 210 lbs | - |
| McCaskill, Kirk | RP | Los Angeles Angels | 25 | 04/09/1989 | Kapuskasing | CAN | Right | Right | 6' 1" | 195 lbs | - |
| McCormick, Frank | 1B | Cincinnati Reds | 28 | 06/09/1986 | New York | USA | Right | Right | 6' 4" | 205 lbs | - |
| McCormick, Phil | RP | Kansas City Royals | 28 | 10/10/1986 | Toronto | CAN | Right | Right | 6' 1" | 200 lbs | - |
| McCovey, Willie | 1B | San Francisco Giants | 31 | 01/10/1983 | Mobile | USA | Left | Left | 6' 4" | 210 lbs | - |
| McCracken, Quinton | CF | Tampa Bay Rays | 32 | 08/16/1982 | Wilmington | USA | Switch | Right | 5' 8" | 170 lbs | - |
| McCune, Kurt | SP | Free Agent | 22 | 12/03/1991 | Norco | USA | Right | Right | 6' 3" | 170 lbs | - |
| McCutchen, Andrew | CF | Pittsburgh Pirates | 26 | 10/10/1988 | Fort Meade | USA | Right | Right | 5' 11" | 175 lbs | - |
| McDaniel, Lindy | RP | New York Yankees | 24 | 12/13/1989 | Hollis | USA | Right | Right | 6' 3" | 195 lbs | - |
| McDougald, Gil | 3B | New York Yankees | 24 | 05/19/1990 | San Francisco | USA | Right | Right | 6' 1" | 180 lbs | - |
| McDowell, Jack | RP | Chicago White Sox | 25 | 01/16/1989 | Unknown | USA | Right | Right | 6' 5" | 180 lbs | - |
| McDowell, Roger | RP | New York Mets | 25 | 12/21/1988 | Cincinnati | USA | Right | Right | 6' 1" | 180 lbs | - |
| McDowell, Sam | RP | Cleveland Indians | 26 | 09/21/1988 | Pittsburgh | USA | Left | Left | 6' 5" | 220 lbs | - |
| McGee, Jake | RP | Tampa Bay Rays | 26 | 08/06/1988 | San Jose | USA | Left | Left | 6' 3" | 190 lbs | - |
| McGee, Willie | CF | St. Louis Cardinals | 27 | 11/02/1987 | San Francisco | USA | Switch | Right | 6' 1" | 175 lbs | - |
| McGibbon, Jon | 1B | Free Agent | 22 | 10/05/1992 | Lindenhurst | USA | Left | Left | 6' 2" | 210 lbs | - |
| McGinnity, Joe | SP | San Francisco Giants | 33 | 03/20/1981 | Cornwall | USA | Right | Right | 5' 11" | 205 lbs | - |
| McGrath, Kyle | RP | Free Agent | 22 | 07/31/1992 | Louisville | USA | Left | Left | 6' 3" | 160 lbs | - |
| McGraw, Tug | RP | New York Mets | 36 | 08/30/1978 | Martinez | USA | Right | Left | 6' 0" | 185 lbs | - |
| McGregor, Scott | RP | Baltimore Orioles | 25 | 01/18/1989 | Inglewood | USA | Switch | Left | 6' 1" | 190 lbs | - |
| McGriff, Fred | 1B | San Diego Padres | 31 | 10/31/1983 | Tampa | USA | Left | Left | 6' 3" | 215 lbs | - |
| McGwire, Mark | 1B | Oakland Athletics | 35 | 10/01/1979 | Pomona | USA | Right | Right | 6' 5" | 225 lbs | - |
| McKay, David | RP | Free Agent | 19 | 03/31/1995 | Melbourne | USA | Right | Right | 6' 3" | 200 lbs | - |
| McKenzie, Kyle | SP | Free Agent | 24 | 09/13/1990 | Braintree | USA | Left | Right | 6' 1" | 175 lbs | - |
| McLain, Denny | SP | Detroit Tigers | 24 | 03/29/1990 | Chicago | USA | Right | Right | 6' 1" | 185 lbs | - |
| McMahon, Don | RP | Atlanta Braves | 32 | 01/04/1982 | Brooklyn | USA | Right | Right | 6' 2" | 220 lbs | - |
| McManus, Marty | 3B | Baltimore Orioles | 30 | 03/14/1984 | Chicago | USA | Right | Right | 5' 10" | 160 lbs | - |
| McMullen, Ken | 3B | Texas Rangers | 27 | 06/01/1987 | Oxnard | USA | Right | Right | 6' 3" | 195 lbs | - |
| McNally, Dave | SP | Baltimore Orioles | 26 | 10/31/1988 | Billings | USA | Right | Left | 5' 11" | 190 lbs | - |
| McNeil, Jeff | 2B | New York Mets | 27 | 04/08/1987 | Long Beach | USA | Left | Right | 6' 1" | 195 lbs | - |
| McQuillan, George | RP | Philadelphia Phillies | 23 | 05/01/1991 | Brooklyn | USA | Right | Right | 5' 11" | 175 lbs | - |
| McRae, Hal | LF | Kansas City Royals | 37 | 07/10/1977 | Avon Park | USA | Right | Right | 5' 11" | 180 lbs | - |
| McReynolds, Kevin | CF | New York Mets | 27 | 10/16/1987 | Little Rock | USA | Right | Right | 6' 1" | 210 lbs | - |
| Mecir, Jim | RP | Tampa Bay Rays | 28 | 05/16/1986 | Bayside | USA | Switch | Right | 6' 1" | 195 lbs | - |
| Medlen, Kris | RP | Atlanta Braves | 27 | 10/07/1987 | Artesia | USA | Switch | Right | 5' 10" | 190 lbs | - |
| Medwick, Joe | LF | St. Louis Cardinals | 25 | 11/24/1988 | Carteret | USA | Right | Right | 5' 10" | 185 lbs | - |
| Meek, Evan | RP | Pittsburgh Pirates | 27 | 05/12/1987 | Bellevue | USA | Right | Right | 6' 1" | 190 lbs | - |
| Melton, Guy | SP | Free Agent | 19 | 04/12/1995 | Unknown | USA | Left | Left | 6' 4" | 215 lbs | - |
| Mendoza, Jorge | C | Los Angeles Dodgers | 22 | 09/01/1992 | New York | USA | Right | Right | 6' 2" | 225 lbs | - |
| Menke, Denis | 2B | Houston Astros | 30 | 07/21/1984 | Unknown | USA | Right | Right | 6' 0" | 190 lbs | - |
| Mesa, Jose | RP | Cleveland Indians | 29 | 05/22/1985 | Pueblo Viejo | DOM | Right | Right | 6' 3" | 225 lbs | - |
| Messersmith, Andy | SP | Los Angeles Angels | 24 | 08/06/1990 | Toms River | USA | Right | Right | 6' 1" | 200 lbs | - |
| Meyer, Ryan | SP | Free Agent | 22 | 11/08/1991 | Oviedo | USA | Right | Right | 6' 5" | 195 lbs | - |
| Meyers, Chief | C | San Francisco Giants | 32 | 07/29/1982 | Riverside | USA | Right | Right | 5' 11" | 195 lbs | - |
| Miceli, Dan | RP | Miami Marlins | 33 | 09/09/1981 | Newark | USA | Right | Right | 6' 0" | 205 lbs | - |
| Milan, Clyde | CF | Minnesota Twins | 24 | 03/25/1990 | Linden | USA | Left | Right | 5' 9" | 170 lbs | - |
| Miley, Wade | RP | Arizona Diamondbacks | 25 | 11/13/1988 | Hammond | USA | Left | Left | 6' 1" | 220 lbs | - |
| Milhorn, Greg | RP | Free Agent | 22 | 10/04/1992 | Texarkana | USA | Right | Right | 6' 2" | 185 lbs | - |
| Millar, Kevin | 3B | Miami Marlins | 30 | 09/24/1984 | Los Angeles | USA | Right | Right | 6' 0" | 210 lbs | - |
| Miller, Adam | SP | Free Agent | 24 | 12/28/1989 | Yucaipa | USA | Right | Right | 6' 1" | 180 lbs | - |
| Miller, Damian | C | Arizona Diamondbacks | 31 | 10/13/1983 | La Crosse | USA | Right | Right | 6' 3" | 200 lbs | - |
| Miller, Josh | C | Free Agent | 23 | 05/11/1991 | Aiken | USA | Right | Right | 5' 9" | 195 lbs | - |
| Miller, Seth | LF | Free Agent | 23 | 07/19/1991 | Tallahassee | USA | Left | Left | 6' 2" | 205 lbs | - |
| Miller, Stu | CL | Baltimore Orioles | 37 | 12/26/1976 | Northampton | USA | Right | Right | 5' 11" | 165 lbs | - |
| Millwood, Kevin | RP | Atlanta Braves | 24 | 12/24/1989 | Gastonia | USA | Right | Right | 6' 4" | 205 lbs | - |
| Mingori, Steve | RP | Kansas City Royals | 27 | 02/28/1987 | Kansas City | USA | Left | Left | 5' 10" | 170 lbs | - |
| Minoso, Minnie | LF | Chicago White Sox | 30 | 11/29/1983 | Havana | CUB | Right | Right | 5' 10" | 175 lbs | - |
| Minton, Greg | RP | San Francisco Giants | 28 | 07/29/1986 | Lubbock | USA | Switch | Right | 6' 2" | 190 lbs | - |
| Mirabella, Paul | RP | Milwaukee Brewers | 34 | 03/20/1980 | Belleville | USA | Left | Left | 6' 2" | 195 lbs | - |
| Misell, Carlos | SP | Free Agent | 22 | 04/25/1992 | Ocumare del Tuy | VEN | Right | Right | 6' 2" | 190 lbs | - |
| Mitchell, Kevin | 3B | San Francisco Giants | 27 | 01/13/1987 | San Diego | USA | Right | Right | 5' 11" | 210 lbs | - |
| Mize, Johnny | 1B | St. Louis Cardinals | 26 | 01/07/1988 | Demorest | USA | Left | Right | 6' 2" | 215 lbs | - |
| Moffitt, Randy | RP | San Francisco Giants | 25 | 10/13/1989 | Long Beach | USA | Right | Right | 6' 3" | 190 lbs | - |
| Mohorcic, Dale | RP | Texas Rangers | 31 | 01/25/1983 | Cleveland | USA | Right | Right | 6' 3" | 220 lbs | - |
| Molina, Yadier | C | St. Louis Cardinals | 30 | 07/13/1984 | Unknown | PUR | Right | Right | 5' 11" | 225 lbs | - |
| Molinaro, Tyler | LF | Free Agent | 24 | 09/16/1990 | Charlottesville | USA | Left | Right | 6' 3" | 215 lbs | - |
| Molitor, Paul | 3B | Milwaukee Brewers | 31 | 08/22/1983 | Unknown | USA | Right | Right | 6' 0" | 185 lbs | - |
| Mondesi, Raul | RF | Los Angeles Dodgers | 26 | 03/12/1988 | Unknown | DOM | Right | Right | 5' 11" | 200 lbs | - |
| Mondou, Nate | 3B | Free Agent | 19 | 03/24/1995 | Unknown | USA | Left | Right | 5' 9" | 190 lbs | - |
| Money, Don | 2B | Milwaukee Brewers | 30 | 06/07/1984 | Washington | USA | Right | Right | 6' 1" | 190 lbs | - |
| Monge, Sid | RP | Cleveland Indians | 28 | 04/11/1986 | Agua Prieta | MEX | Switch | Left | 6' 2" | 195 lbs | - |
| Monroe, Grant | RP | Free Agent | 26 | 09/29/1988 | Schaumburg | USA | Right | Right | 6' 4" | 220 lbs | - |
| Montero, Miguel | C | Arizona Diamondbacks | 29 | 07/09/1985 | Caracas | VEN | Left | Right | 5' 11" | 195 lbs | - |
| Montgomery, Jeff | CL | Kansas City Royals | 27 | 01/07/1987 | Wellston | USA | Right | Right | 5' 11" | 180 lbs | - |
| Moore, Charlie | C | Milwaukee Brewers | 26 | 06/21/1988 | Birmingham | USA | Right | Right | 5' 11" | 180 lbs | - |
| Moore, Donnie | RP | Los Angeles Angels | 31 | 02/13/1983 | Lubbock | USA | Left | Right | 6' 0" | 185 lbs | - |
| Moore, Mike | SP | Seattle Mariners | 29 | 11/26/1984 | Carnegie | USA | Right | Right | 6' 4" | 205 lbs | - |
| Moore, Wilcy | RP | New York Yankees | 30 | 05/20/1984 | Bonita | USA | Right | Right | 6' 0" | 195 lbs | - |
| Mora, Melvin | 3B | Baltimore Orioles | 32 | 02/02/1982 | Unknown | VEN | Right | Right | 5' 11" | 180 lbs | - |
| Morales, Kendry | 1B | Los Angeles Angels | 26 | 06/20/1988 | Fomento | CUB | Switch | Right | 6' 1" | 220 lbs | - |
| Morales, Roy | SP | Free Agent | 21 | 09/29/1993 | Lares | PUR | Right | Right | 6' 2" | 190 lbs | - |
| Moran, Billy | 2B | Los Angeles Angels | 28 | 11/27/1985 | Montgomery | USA | Right | Right | 5' 11" | 185 lbs | - |
| Morgan, Joe L | 2B | Cincinnati Reds | 33 | 09/19/1981 | Bonham | USA | Left | Right | 5' 7" | 160 lbs | - |
| Morneau, Justin | 1B | Minnesota Twins | 25 | 05/15/1989 | New Westminster | CAN | Left | Right | 6' 4" | 205 lbs | - |
| Morris, Hal | 1B | Cincinnati Reds | 29 | 04/09/1985 | Fort Rucker | USA | Left | Left | 6' 4" | 215 lbs | - |
| Morris, Jack | SP | Detroit Tigers | 28 | 05/16/1986 | Unknown | USA | Right | Right | 6' 3" | 200 lbs | - |
| Morris, Matt | RP | St. Louis Cardinals | 27 | 08/09/1987 | Middletown | USA | Right | Right | 6' 5" | 210 lbs | - |
| Moseby, Lloyd | CF | Toronto Blue Jays | 23 | 11/05/1990 | Portland | USA | Left | Right | 6' 3" | 200 lbs | - |
| Moses, Wally | RF | Oakland Athletics | 27 | 10/08/1987 | Unknown | USA | Left | Left | 5' 10" | 160 lbs | - |
| Mossi, Don | RP | Cleveland Indians | 25 | 01/11/1989 | Unknown | USA | Left | Left | 6' 1" | 195 lbs | - |
| Mostil, Johnny | CF | Chicago White Sox | 30 | 06/01/1984 | Chicago | USA | Right | Right | 5' 8" | 170 lbs | - |
| Mota, Guillermo | RP | Miami Marlins | 30 | 07/25/1984 | Unknown | DOM | Right | Right | 6' 4" | 205 lbs | - |
| Motte, Jason | RP | St. Louis Cardinals | 30 | 06/22/1984 | Port Huron | USA | Right | Right | 6' 0" | 195 lbs | - |
| Moyer, Jamie | SP | Seattle Mariners | 35 | 11/18/1978 | Sellersville | USA | Left | Left | 6' 0" | 170 lbs | - |
| Mueller, Bill R | 3B | Boston Red Sox | 32 | 03/17/1982 | Maryland Heights | USA | Switch | Right | 5' 11" | 175 lbs | - |
| Mulder, Mark | RP | Oakland Athletics | 25 | 08/05/1989 | South Holland | USA | Left | Left | 6' 6" | 200 lbs | - |
| Mulliniks, Rance | 3B | Toronto Blue Jays | 31 | 01/15/1983 | Tulare | USA | Left | Right | 6' 0" | 170 lbs | - |
| Munson, Thurman | C | New York Yankees | 26 | 06/07/1988 | Akron | USA | Right | Right | 5' 11" | 190 lbs | - |
| Murphy, Dale | CF | Atlanta Braves | 27 | 03/12/1987 | Portland | USA | Right | Right | 6' 5" | 215 lbs | - |
| Murphy, Danny | RF | Oakland Athletics | 35 | 08/11/1979 | Philadelphia | USA | Right | Right | 5' 9" | 175 lbs | - |
| Murphy, Dwayne | CF | Oakland Athletics | 29 | 03/18/1985 | Merced | USA | Left | Right | 6' 1" | 185 lbs | - |
| Murphy, Johnny | RP | New York Yankees | 32 | 07/14/1982 | New York | USA | Right | Right | 6' 2" | 190 lbs | - |
| Murray, Brandon | LF | Free Agent | 22 | 07/13/1992 | Unknown | BAH | Left | Right | 5' 10" | 200 lbs | - |
| Murray, Eddie | 1B | Baltimore Orioles | 27 | 02/24/1987 | Los Angeles | USA | Switch | Right | 6' 2" | 200 lbs | - |
| Musial, Stan | RF | St. Louis Cardinals | 27 | 11/21/1986 | Donora | USA | Left | Left | 6' 0" | 175 lbs | - |
| Mussina, Mike | SP | Baltimore Orioles | 23 | 12/08/1990 | Williamsport | USA | Left | Right | 6' 2" | 185 lbs | - |
| Muñíz, Luis Manuel | 2B | Arizona Diamondbacks | 23 | 01/27/1991 | New York | USA | Right | Right | 5' 11" | 170 lbs | - |
| Myer, Buddy | 2B | Minnesota Twins | 31 | 03/16/1983 | Ellisville | USA | Left | Right | 5' 10" | 165 lbs | - |
| Myers, Randy | RP | Chicago Cubs | 26 | 09/19/1988 | Vancouver | USA | Left | Left | 6' 1" | 215 lbs | - |
