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