| Matt Macri 2004 Tri-City Dust Devils (Grandstand) |
$4.99 |
 |
| Joe Maddon 1986 Midland Angels (ProCards) |
$5.99 |
 |
| Bub Maietta 1989 High School Prospects #7 (Little Sun) |
$1.99 |
 |
| Bub Maietta 1989 High School Prospects #7 (Little Sun) 10 ct. |
$7.99 |
 |
| Jeff Manto 1987 Palm Springs Angels #294 (ProCards) |
$2.99 |
 |
| Jeff Manto 1988 Top AA Prospects #AA-29 (Best) |
$2.99 |
 |
| Kirt Manwaring 1987 Texas League All-Star #22 (Feder) |
$1.99 |
 |
| Nick Markakis 2003 Prospect Premieres (Upper Deck) |
$5.99 |
 |
| Nick Markakis 2004 SAL Top Prospects (Multi-Ad) |
$3.99 |
 |
| Jason Marquis 2000 Southern League Top Prospects #18 (Grandstand) |
$2.99 |
 |
| Andy Marte 2001 Appalachian Top Prospects (Grandstand) |
$3.99 |
 |
| Andy Marte 2002 SAL Top Prospects (Multi-Ad) |
$1.99 |
 |
| J.D. Martin 2001 Burlington Indians (Grandstand) |
$2.99 |
 |
| J.D. Martin 2001 Appalachian Top Prospects (Grandstand) |
$1.99 |
 |
| Ramon Martinez 1988 AAA All-Stars #45 (CMC) |
$1.00 |
 |
| Onan Masaoka 1998 Texas League Top Prospects (Grandstand) |
$1.99 |
 |
| Jeff Mathis 2001 Provo Angels (Grandstand) |
$3.99 |
 |
| Jason Maxwell 1997 Southern League Top Prospects #29 (Best Co.) |
$1.99 |
 |
| Leo Mazzone 1986 Sumter Braves (ProCards) |
$2.99 |
 |
| Leo Mazzone 1988 Richmond Braves #16 (ProCards) |
$2.99 |
 |
| Rod (Rodney) McCray 1986 Charleston Rainbows (ProCards) |
$2.99 |
 |
| Fred McGriff 1985 Syracuse Chiefs #2 (TCMA) |
$18.99 |
 |
| Fred McGriff 1986 Stars of the Future Postcard (TCMA) |
$2.99 |
 |
| Dustin McGowan 2000 High School All-Americans |
$5.99 |
 |
| Dustin McGowan 2002 SAL Top Prospects (Multi-Ad) |
$3.99 |
 |
| Bill McGuire 1988 Top AA Prospects #AA-10 (Best) |
$2.99 |
 |
| Dallas McPherson 2001 Provo Angels (Grandstand) |
$3.99 |
 |
| Juan Melo 1997 Southern League Top Prospects #25 (Best Co.) |
$1.00 |
 |
| Geronimo Mendoza 1999 Midwest League Top Prospects #4 (Multi-Ad) |
$1.00 |
 |
| Orlando Merced 1986 Macon Pirates (ProCards) |
$2.99 |
 |
| Orlando Merced 1986 Macon Pirates (ProCards) 10 ct. |
$13.99 |
 |
| Jose Mesa 1985 Kinston Blue Jays #8 (TCMA) |
$4.99 |
 |
| Clyde Metcalf 1990 High School Prospects #24 (Little Sun) |
$1.99 |
 |
| Hensley Meulens 1988 Eastern League All-Stars #E3 (ProCards) |
$2.99 |
 |
| Mike Meyers 2000 Southern League Top Prospects #19 (Grandstand) |
$1.99 |
 |
| Lastings Milledge 2004 Capital City (Multi-Ad) |
$6.99 |
 |
| Lastings Milledge 2004 SAL Top Prospects (Multi-Ad) |
$2.99 |
 |
| Adam Miller 2004 SAL Top Prospects (Multi-Ad) |
$3.99 |
 |
| Kevin Millwood 1997 Southern League Top Prospects #11 (Best Co.) |
$2.99 |
 |
| Kevin Mitchell 1982 Lynchburg Mets #6 (TCMA) |
$9.99 |
 |
| John Mizerock 1986 Tucson Toros (ProCards) |
$2.99 |
 |
| John Mizerock 1986 Tucson Toros (ProCards) 10 ct. |
$9.99 |
 |
| John Mizerock 1988 Richmond Braves #19 (ProCards) |
$1.99 |
 |
| Yadier Molina 2001 Appalachian Top Prospects (Grandstand) |
$4.99 |
 |
| Luis Montanez 2001 MWL Top Prospects (Multi-Ad) |
$1.99 |
 |
| Miguel Montero 2004 MWL All-Stars (Perfect Game) |
$3.99 |
 |
| Scott Moore 2003 MWL Top Prospects (Grandstand) |
$1.99 |
 |
| Juan Morillo 2003 Casper Rockies (Grandstand) |
$5.99 |
 |
| Juan Morillo 2004 Tri-City Dust Devils (Grandstand) |
$4.99 |
 |
| Juan Morillo 2004 Northwest League All-Stars (Grandstand) |
$3.99 |
 |
| Warren Morris 1998 Texas League Top Prospects (Grandstand) |
$1.99 |
 |
| Jim Morris 1987 Stockton Ports #261 (ProCards) |
$4.99 |
 |
| Mike Morse 2001 Appalachian Top Prospects (Grandstand) |
$1.99 |
 |
| Dustin Moseley 2001 MWL Top Prospects (Multi-Ad) |
$1.99 |
 |
| Matt Moses 2003 MWL Top Prospects (Grandstand) |
$1.99 |
 |
| Damian Moss 1997 Southern League Top Prospects #12 (Best Co.) |
$1.99 |
 |
| David Mowry 1990 High School Prospects #21 (Little Sun) |
$1.99 |
 |
| Mike Munoz 1988 Top AA Prospects #AA-26 (Best) |
$2.99 |
 |
| Eric Munson 2000 Southern League Top Prospects #20 (Grandstand) |
$1.99 |
 |
| David Muprhy 2003 Lowell Spinners (Choice) |
$3.99 |
 |
| Matt Murton 2003 Lowell Spinners (Choice) |
$3.99 |
 |
| Jeff Mutis 1987 Team USA #8 |
$3.99 |
 |
| Jeff Mutis 1987 Team USA #8 10 ct. |
$9.99 |
 |
| Greg Myers 1988 Syracuse Chiefs #821 (ProCards) |
$2.99 |
 |