Players

• Bobby Mathews

  Philadelphia Athletics

  P
• Charles Matthews

  Philadelphia Athletics

  OF
• Mike Mattimore

  Brooklyn Gladiators

  P
• Fred Mauer

  New York Metropolitans

  P
• Al Mays

  Columbus Colts

  P
• (Unknown) McBride

  Philadelphia Athletics

  OF
• Sparrow McCaffrey

  Columbus Colts

  C
• John McCarty

  Kansas City Blues

  P
• Charlie McCullough

  Brooklyn Gladiators

  P
• Sandy McDermott

  Baltimore Orioles

  2B
• Jack McGeachey

  Boston Reds

  OF
• Frank McIntyre

  Columbus Colts

  P
• Dave McKeough

  Philadelphia Athletics

  C
• Barney McLaughlin

  Syracuse Stars

  SS
• Jim McLaughlin

  Baltimore Orioles

  P
• James McMullen

  New York Metropolitans

  P
• Jim McTamany

  Philadelphia Athletics

  OF
• George Meister

  Toledo Blue Stockings

  3B
• John Meister

  New York Metropolitans

  2B
• Ed Merrill

  Indianapolis Blues

  2B
• Henry Meyers

  Philadelphia Athletics

  3B
• Cyclone Miller

  Philadelphia Athletics

  P
• Ed Miller

  Toledo Blue Stockings

  OF
• Joseph Moffet

  Toledo Blue Stockings

  1B
• Frank Monroe

  Indianapolis Blues

  C
• Bill Morgan

  Washington Nationals

  OF
• John Morrill

  Boston Reds

  1B
• Jon Morrison

  New York Metropolitans

  OF
• Mike Moynahan

  Philadelphia Athletics

  SS
• Mike Muldoon

  Baltimore Orioles

  3B
• George Mundinger

  Indianapolis Blues

  C
• John Munyan

  Columbus Colts

  C
• Tony Murphy

  New York Metropolitans

  C
• Sandy Nava

  Baltimore Orioles

  C
• Candy Nelson

  Brooklyn Gladiators

  SS
• Sam Nicholl

  Columbus Colts

  OF