225 cards
Lance Berkman
Roy Oswalt
Brian Bannister
Billy Butler
Torii Hunter
Vladimir Guerrero
Brad Penny
Chad Billingsley
Chin Lung HU
Eddie Mathews
Warren Spahn
Prince Fielder
Ryan Braun
Ben Sheets
Joe Mauer
Johan Santana
Glen Perkins
Justin Morneau
Jose Reyes
David Wright
Pedro Martinez
Tom Seaver
Alex Rodriguez
Hideki Matsui
Jorge Posada
Mariano Rivera
Phil Rizzuto
Derek Jeter
Graig Nettles
Ian Kennedy
Don Larsen
Joe Blanton
Mark Ellis
Dennis Eckersley
Rollie Fingers
Catfish Hunter
Daric Barton
Ryan Howard
Jimmy Rollins
Chase Utley
Shane Victorino
Richie Ashburn
Adam Laroche
Jack Wilson
Ralph Kiner
Bill Mazeroski
Jay Bruce
Jake Peavy
Trevor Hoffman
Khalil Greene
Adrian Gonzalez
Tim Lincecum
Matt Cain
Aaron Rowand
Orlando Cepeda
Juan Marichal
Ichiro
J.J. Putz
Jose Vidro
Albert Pujols
One entry per Base card — open a card to see all of its parallels. List 31 parallels and variants individually