Griffey's Upper Deck rookie card is one of the most famous baseball cards ever, but it isn't his only notable card ...

Ken Griffey Jr.'s rookie cards, like the 1989 Upper Deck Star Rookie, hold significant value for collectors, with some reaching over $2,000.

So just what are the Impossible Baseball Cards of Ken Griffey, Jr? checked in with Griffey super collector to put together this list.

Ken Griffey Jr. defined a generation of baseball that also influenced the sports card hobby. Here are his most graded cards and their prices.

Dusty Baker stood behind the batting cage at Truist Park Friday night, taking in batting practice before MLB’s third annual HBCU Swingman Classic.

Ken Griffey Jr., Seattle Mariners. The No. 1 overall pick in the 1987 draft. In 1988, Griffey played 58 games of Class A ball in San Bernardino and 17 in Double-A Vermont before getting hurt.

Stallbaumer does not own all of the 1989 Upper Deck Ken Griffey Jr. rookie cards. He estimates as many as 2 million were made, which leaves a lot of room for his collection to grow.

A super fan named Jason Vass owns 100,000-plus Ken Griffey Jr. baseball cards, a world record. The reason for his love of Griffey goes deep -- really deep.

David Gonos reveals nine intriguing facts about Upper Deck's 1989 Ken Griffey Jr. card, one of the most popular baseball cards of all-time.

After 22 seasons in the major leagues, Ken Griffey Jr. announced his retirement from baseball on Wednesday. Along with his 630 home runs, Griffey’s legacy will include his 1989 Upper Deck rookie ...

PSA has graded 97,799 copies of the 1989 Upper Deck Griffey rookie. Only 4,083 cards have gotten a PSA 10 — that’s 4.2 percent, a really low number. Over at Beckett, the percentage is even lower.