The 50 players listed below are autograph requests that have been sent or obtained in-person for players who's last name starts with 'M'. Also listed are the date the request was made, and received (if it was received).

	John Madden Home Address Sent: 02/20/07 Received: 03/02/07 Returned In: 10 Days
	Mike Maddux Team Address Sent: 04/17/08 Received: 05/05/08 Returned In: 18 Days
	Michael Madsen Team Address Sent: 07/19/07 Received: 08/08/07 Returned In: 20 Days
	Michael Main Team Address Sent: 07/19/07 Received: 11/13/07 Returned In: 117 Days
	Mark Mangino Email Address Sent: 08/26/07 Received: 08/31/07 Returned In: 5 Days
	Nick Mangold Team Address Sent: 12/15/07 Received: 06/17/08 Returned In: 185 Days
	Rick Manning Home Address Sent: 11/27/08 Received: 12/31/08 Returned In: 34 Days
	Gino Marchetti Home Address Sent: 08/22/07 Received: 08/30/07 Returned In: 8 Days
	Olindo Mare Team Address Sent: 12/15/07 Received: 02/01/08 Returned In: 48 Days
	Marty Marion Home Address Sent: 06/02/08 Received: 06/16/08 Returned In: 14 Days
	Curtis Martin Training Camp Sent: 08/04/06 Received: 08/04/06
	Fernando Martinez Team Address Sent: 07/19/07 Received: 07/27/07 Returned In: 8 Days
	Shairon Martis Team Address Sent: 02/17/09 Received: 03/09/09 Returned In: 20 Days
	Jamal Mashburn Home Address Sent: 05/11/07 Received: 05/19/07 Returned In: 8 Days
	Jon Matlack Home Address Sent: 01/05/09 Received: 01/28/09 Returned In: 23 Days
	Ryan Mattheus Team Address Sent: 02/17/09 Received: 03/03/09 Returned In: 14 Days
	Don Mattingly In Person Autograph Signing Sent: 01/27/07 Received: 01/27/07
	Don Mattingly In Person Autograph Signing Sent: 01/12/02 Received: 01/12/02
	Don Mattingly In Person Autograph Signing Sent: 11/09/07 Received: 11/09/07
	Preston Mattingly In Person Autograph Signing Sent: 11/09/07 Received: 11/09/07
	Brian Matusz Team Address Sent: 02/17/09 Received: 03/17/09 Returned In: 28 Days
	Dal Maxvill Home Address Sent: 06/22/09 Received: 07/07/09 Returned In: 15 Days
	Willie Mays In Person Autograph Signing Sent: 07/29/06 Received: 07/29/06
	Willie McCovey In Person Autograph Signing Sent: 04/29/07 Received: 04/29/07
	Roger McDowell Team Address Sent: 04/17/08 Received: 04/28/08 Returned In: 11 Days
	Scott McGregor In Person Autograph Signing Sent: 05/15/10 Received: 05/15/10
	Mark McGwire Home Address Returned Unsigned Sent: 03/21/07 Received: 03/30/07 Returned In: 9 Days
	Steve McMichael Home Address Sent: 01/19/07 Received: 01/29/07 Returned In: 10 Days
	Debra Messing Email Address Sent: 10/01/07 Received: 12/03/07 Returned In: 63 Days
	Gene Michael Home Address Sent: 06/04/07 Received: 06/22/07 Returned In: 18 Days
	John Miles Home Address Sent: 10/24/07 Received: 10/30/07 Returned In: 6 Days
	Greg Miller Arizona Fall League Team Address Sent: 10/22/07 Received: 11/10/07 Returned In: 19 Days
	Adam Miller Team Address Sent: 04/16/07 Received: 08/17/07 Returned In: 123 Days
	Stu Miller Home Address Sent: 02/03/09 Received: 02/28/09 Returned In: 25 Days
	Paul Mirabella Home Address Sent: 02/03/09 Received: 02/20/09 Returned In: 17 Days
	Paul Molitor Team Address Sent: 06/04/07 Received: 10/17/07 Returned In: 135 Days
	Bill Monbouquette Home Address Sent: 10/02/09 Received: 10/14/09 Returned In: 12 Days
	Joe Montana Home Address Sent: 02/20/07 Received: 03/02/07 Returned In: 10 Days
	Jeff Montgomery Home Address Sent: 01/05/09 Received: 01/26/09 Returned In: 21 Days
	Andy Moog Team Address Sent: 03/06/07 Received: 04/23/07 Returned In: 48 Days
	Warren Moon Team Address Sent: 12/15/07 Received: 03/08/08 Returned In: 84 Days
	Joe Morgan Work Address Sent: 03/06/07 Received: 03/30/07 Returned In: 24 Days
	Jamie Moyer Team Address Sent: 06/04/07 Received: 07/09/07 Returned In: 35 Days
	Bill Mueller Team Address Sent: 08/27/08 Received: 10/20/08 Returned In: 54 Days
	Kevin Mulvey Team Address Sent: 07/19/07 Received: 07/23/07 Returned In: 4 Days
	Dale Murphy In Person Autograph Signing Sent: 05/15/10 Received: 05/15/10
	Stan Musial Home Address Sent: 01/16/07 Received: 02/08/07 Returned In: 23 Days
	Stan Musial Baseball Hall Of Fame Returned Unsigned Sent: 01/08/07 Received: 01/13/07 Returned In: 5 Days
	Mike Mussina Home Address Sent: 01/08/07 Received: 02/02/07 Returned In: 25 Days
	Brett Myers Team Address Sent: 04/16/08 Received: 05/30/08 Returned In: 44 Days