140 cards
Tom Seaver
Hanley Ramirez
Mariano Rivera
Cy Young
Jimmie Foxx
Jim Palmer
Mickey Mantle
Pee Wee Reese
Justin Verlander
Zack Greinke
Jimmy Rollins
Felix Hernandez
Manny Ramirez
Nolan Ryan
Gold
Ryan Howard
Manny Ramirez
Lou Brock
Mike Schmidt
Grady Sizemore
Alex Rodriguez
Joe Morgan
Eddie Mathews
Hideki Matsui
Mel Ott
Rogers Hornsby
Tris Speaker
Vladimir Guerrero
Evan Longoria
Dan Haren
Darn Haren
Gold
Willie McCovey
Lou Gehrig
Tim Lincecum
Justin Morneau
Kevin Youkilis
B.J. Upton
Rickey Henderson
Roy Oswalt
Chase Utley
Lance Berkman
Matt Kemp
Dale Murphy
George Sisler
Nick Markakis
Thurman Munson
Dan Uggla
Matt Holliday
Bill Mazeroski
Joe Mauer
Chris Carpenter
David Wright
Ron Guidry
Roger Maris
Aaron Hill
Torii Hunter
Ubaldo Jimenez
Aramis Ramirez
Whitey Ford
Andrew McCutchen
Hank Greenberg
One entry per Base card — open a card to see all of its parallels. List 227 parallels and variants individually