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