Pick any of cards from the checklist below:
Manny Machado - San Diego Padres
Mickey Mantle - New York Yankees
Kyle Manzardo RC - Cleveland Guardians
Juan Marichal - San Francisco Giants
Cade Marlowe RC - Seattle Mariners
Ketel Marte - Arizona Diamondbacks
Noelvi Marte RC - Cincinnati Reds
Austin Martin RC - Minnesota Twins
Edgar Martinez - Seattle Mariners
Pedro Martinez - Montreal Expos
Eddie Mathews - Atlanta Braves
Christy Mathewson - New York Giants
Luis Matos RC - San Francisco Giants
Hideki Matsui - New York Yankees
Yuki Matsui RC - San Diego Padres
Don Mattingly - New York Yankees
Ronny Mauricio RC - New York Mets
Willie Mays - New York Giants
Willie McCovey - San Francisco Giants
Fred McGriff - Atlanta Braves
Mark McGwire - St. Louis Cardinals
Ryan McMahon - Colorado Rockies
Curtis Mead RC - Tampa Bay Rays
Parker Meadows RC - Detroit Tigers
Jackson Merrill RC - San Diego Padres
Mason Miller - Oakland Athletics
Paul Molitor - Toronto Blue Jays
Christopher Morel - Chicago Cubs
Joe Morgan - Cincinnati Reds
Thurman Munson - New York Yankees
Dale Murphy - Atlanta Braves
Stan Musial - St. Louis Cardinals
Mike Mussina - Baltimore Orioles
Josh Naylor - Cleveland Guardians
Aaron Nola - Philadelphia Phillies
Shohei Ohtani - Los Angeles Dodgers
Matt Olson - Atlanta Braves
Reese Olson RC - Detroit Tigers
Marcell Ozuna - Atlanta Braves
Andy Pages RC - Los Angeles Dodgers
Satchel Paige - St. Louis Browns
Jim Palmer - Baltimore Orioles
Isaac Paredes - Tampa Bay Rays
Kyren Paris RC - Los Angeles Angels
Vinnie Pasquantino - Kansas City Royals
Carlos Peña - Tampa Bay Devil Rays
Jeremy Peña - Houston Astros
Salvador Perez - Kansas City Royals
Wenceel Pérez RC - Detroit Tigers
Mike Piazza - Florida Marlins
Buster Posey - San Francisco Giants
Quinn Priester RC - Pittsburgh Pirates
Kirby Puckett - Minnesota Twins
Albert Pujols - Los Angeles Angels
Ceddanne Rafaela RC - Boston Red Sox
Cole Ragans - Kansas City Royals
Tim Raines - Chicago White Sox
José Ramírez - Cleveland Guardians
Bryan Ramos RC - Chicago White Sox
Austin Riley - Atlanta Braves
Cal Ripken Jr. - Baltimore Orioles
Mariano Rivera - New York Yankees
Anthony Rizzo - New York Yankees
Luis Robert Jr. - Chicago White Sox
Brooks Robinson - Baltimore Orioles
Jackie Robinson - Brooklyn Dodgers
Ivan Rodriguez - Florida Marlins
Julio Rodriguez - Seattle Mariners
Brent Rooker - Oakland Athletics
Babe Ruth - Boston Red Sox
Adley Rutschman - Baltimore Orioles
Nolan Ryan - New York Mets