402 cards
Ichiro Suzuki
Sandy Koufax
Jackie Robinson
Mike Trout
Cal Ripken
Ken Griffey Jr.
Bob Gibson
Mariano Rivera
Ted Williams
Roberto Clemente
George Brett
Dwight Gooden
Don Mattingly
Rickey Henderson
Willie Mays
Tony Gwynn
Mark McGwire
Nolan Ryan
Roberto Clemente
Cal Ripken
Rickey Henderson
Ichiro Suzuki
Frank Thomas
Tony Gwynn
Ken Griffey Jr.
Dwight Gooden
Willie Mays
Mark McGwire
Derek Jeter
Nolan Ryan
Jackie Robinson
Ichiro Suzuki
Don Mattingly
Ted Williams
Mike Trout
Sandy Koufax
Cal Ripken
Dwight Gooden
Derek Jeter
Tony Gwynn
Mariano Rivera
Jackie Robinson
George Brett
Frank Thomas
Roberto Clemente
Bob Gibson
Don Mattingly
Willie Mays
Sandy Koufax
Cal Ripken
Mike Trout
Nolan Ryan
Ken Griffey Jr.
Bob Gibson
George Brett
Mariano Rivera
Rickey Henderson
Ted Williams
Derek Jeter
Mark McGwire
One entry per Base card — open a card to see all of its parallels. List 63 parallels and variants individually