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Kevin Millar does his best Ken Griffey Jr. imitation on 'Old Baseball Cards'

Kevin Millar knows what every kid who watched baseball in the 90s does — Ken Griffey Jr. is the coolest.

So on this week’s episode of “Old Baseball Cards” — our baseball nostalgia show — when Millar pulled a Griffey card out of a pack of 1994 Topps Stadium Club, it was almost like he transformed into a kid again. Millar, the co-host of “Intentional Talk” on MLB Network, showed off his best Griffey stance, swing and follow-through. Just like 90s kids did so many times in their backyard.

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Millar also finds a few beloved old teammates from his days on the Florida Marlins and Boston Red Sox, and we get a kick out of George Bell’s glorious hair.

MLB Network’s Kevin Millar opens 90s baseball cards on “Old Baseball Cards.” (Yahoo Sports)

If you’re new to “Old Baseball Cards,” welcome. We open old packs of cards with baseball players, coaches and famous fans, looking for stories and memories. It all started with cards my grandma bought during the junk-wax era. They’re not worth much these days, so instead we use the old packs as muses for nostalgia’s sake. We’ve got plenty of great episodes you can watch below.

Previously on Old Baseball Cards
MUST-SEE EPISODESGeorge Brett | Torey Lovullo | Pedro Martinez | Bronson Arroyo | Eric Davis | Dusty Baker | Hank Azaria | Alex Rodriguez | Scott Boras | A.J. Ellis | Bernie Williams | Chase Utley | John Smoltz |  Best trades of 2017 | Best finds of 2017 | Best Guests of 2017 (Part 1) | Best Guests of 2017 (Part 2)

MANAGERS/COACHESTerry Francona | Joe Maddon | Bruce Bochy | Clint Hurdle | Buck Showalter | Brad Mills | Bob Melvin | Dave Roberts | Gabe Kapler | Alex Cora | Dave Martinez

CURRENT PLAYERSCurtis Granderson | Noah Syndergaard | Kyle Hendricks | Clayton Kershaw | Todd Coffey | John Axford | Dee Gordon | Adam Eaton | Rajai Davis | Brad Ziegler & Tyler Clippard | Buster PoseyDavid Price & Anthony Rizzo

STARS FROM BACK IN THE DAYFrank Thomas | Sandy Alomar Jr. | Delino DeShields | Cliff Floyd | Dan Plesac | Aaron Boone | Bobby Bonilla | Andre Dawson  | Ivan Rodriguez | Jack Morris | Jeff Nelson | Mark Teixeira | Rick Ankiel

CELEBS: Mr. BeldingAlyssa Milano | Josh Duhamel | Joel McHale

ETC: Chris “Mad Dog” RussoJosh Kusnick | Jeff Passan | Ken Kendrick

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Mike Oz is a writer at Yahoo Sports. Contact him at mikeozstew@yahoo.com or follow him on Twitter!