Rephonic
Artwork for Stacking Slabs

Stacking Slabs

Brett McGrath
WNBA
Ebay
Wrestling Cards
Sports Cards
Card Collecting
WWE
The National
Card Ladder
Wrestlemania
Infernored Technology
Topps Chrome Football
Fanatics
Football Cards
Sports Card Industry
Candace Parker
Stacking Slabs
Rittenhouse
Michael Jordan
Diana Taurasi
Fanatics Fest

Welcome to the Stacking Slabs, a podcast for sports cards collectors. There's been a tremendous amount of change to our Hobby over the last few years and the one constant has been the passion from the collecting community. Stacking Slabs is built by the collector and lives to tell stories for the collector.

PublishesDailyEpisodes1083Founded6 years ago
Number of ListenersCategories
HobbiesLeisureSports

Listen to this Podcast

Artwork for Stacking Slabs

Latest Episodes

Jamison Long left a career in corporate sales to build Port City Sports Collectibles.

The goal was never to open a store built around transactions. He wanted to create a place where collectors felt known.

That decision is driving the growth of the ... more

GameStop sold $356.3 million in collectibles during its latest quarter. The category now accounts for 45 percent of company sales.

The demand is there.

Collector trust still has to be earned.

In this episode of Hobby Jobs, I examine what GameStop ... more

Topps WWE’s Tim Trout joins Adam and Ryan to explain how the team is connecting collectors to wrestling history through cards.

Tim shares the plan behind Topps Universe, the scarcity of the Slammed inserts, the use of match-related materials, and th... more

One NFL game can change how you see a player, a team, and the cards sitting on your watch list.

Pack and Brett examine when an on-field result creates a buying opportunity and when it creates an emotional decision.

They discuss the risks of team co... more

Key Facts

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Recent Guests

Sam Gordon
VP of Programming and Head of YouTube at Overtime
Overtime
Episode: Passion to Profession: Employee No. 12 — Building Overtime and Its Trading Cards with Sam Gordon
Brett McGrath
Guest host/recurring contributor
Episode: Booked to Last: Wrestling Card Hot Takes — Prizm vs. Flawless and the Cards You Can’t Buy
Grant Slayton
Founder, Waldorf Stories
Waldorf Stories
Episode: Passion to Profession: Finding the Unfindable — How Grant Slayton Built His Business
Darius Bly
Owner and consignor of the Rhea Ripley WrestleMania Patch Auto
Golden / Wrestling Card Takeover partner
Episode: Booked to Last: The Collector Behind the Rhea Ripley WrestleMania Patch Auto 1/1
Matthew Warner
Partner with Dynasty Sports Cards, WNBA-focused collector and entrepreneur
Dynasty Sports Cards
Episode: The WNBA Card Podcast: Collecting the Washington Mystics’ New Era with Matthew (@dynastysportscards_)
Leighton Sheldon
Owner at Just Collect; co-founder of AuctionWire
Just Collect; AuctionWire
Episode: Passion to Profession: Building a 20-Year Sports Card Business with Leighton Sheldon
Scott Lock
From InfernoRed Technology
InfernoRed Technology
Episode: Built for the Hobby: What The National Revealed About the Future of Hobby Tech
Ed Snider
From InfernoRed Technology
InfernoRed Technology
Episode: Built for the Hobby: What The National Revealed About the Future of Hobby Tech
Shane Walls
Lead Buyer at Indy Card Exchange
Indy Card Exchange
Episode: Passion to Profession: What a Card Shop Buyer Sees That Collectors Miss with Shane Walls of Indy Card Exchange

Host

Brett
Host with a long-running presence on the network, often steering show direction and interviews.

Reviews

4.7 out of 5 stars from 355 ratings
  • Wrestling!!

    I’m here for Adam and Ryan talking wrestling cards. So happy to have a weekly show!!

    Apple Podcasts
    5
    jtusa4
    United States8 months ago
  • Good but some shows are colts (etc.) fan boy shows

    It’s not my podcast so can do what you want as publisher but some shows are just way too focused on colts. Football card podcast is like a bears colts show that gets tiresome. And really the explicit language is not really needed. Immaturity maybe.

    Apple Podcasts
    3
    TheKrup
    United Statesa year ago
  • Insightful as always

    Another awesome thought-provoking episode

    Apple Podcasts
    5
    jlee_sportscardslive
    Canadaa year ago
  • Good pod but needs diversity

    Lots of good insightful card talk, but leans too heavily into Colts and WNBA. I understand that it’s the way you hobby, but as someone that doesn’t care about either it can be a drag. Shows how good it is though considering I’ve stuck through it despite the lack of connection I have to those spaces.

    Apple Podcasts
    4
    Triangle Sandwich
    United Statesa year ago
  • This Show Rules

    Amazing content for Sports Cards!! This podcast gets me all excited and fired up for sports cards. I can’t get enough. Super authentic work and genuine passion are involved with this one.

    A daily listen for me. I listen to this Podcast when I commute to work and back, working out, running errands, and perfect for the plane ride.

    Apple Podcasts
    5
    Colts808Stable
    United Statesa year ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Audience notes that coverage can be highly hobby-technical and event-centric.
Episodes consistently appreciated for practical business and community-building insights.
Listeners praise authentic, collector-first storytelling and deep dive interviews.
Strongly valued guest lineups and transparent discussions about market dynamics and trust.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#23
United States/Leisure/Hobbies
Apple Podcasts
#185
United States/Leisure
Apple Podcasts
#64
Canada/Leisure/Hobbies
Apple Podcasts
#228
United Kingdom/Leisure/Hobbies
Apple Podcasts
#77
Australia/Leisure/Hobbies
Apple Podcasts
#169
France/Leisure/Hobbies

Talking Points

Recent interactions between the hosts and their guests.

The WNBA Card Podcast: Collecting the Seattle Storm — The Cards That Carry the History with Jenny (@wsportscollector)
Q: What is kind of being a fan of women's sports and collecting women's sports cards mean to you, Jenny?
For Jenny, it's about representation, community, and supporting leagues she wished had been accessible growing up. It's also about the joy of watching great athletes and carrying that connection through the cards she collects.
Passion to Profession: Finding the Unfindable — How Grant Slayton Built His Business
Q: What advice do you have for someone leaving their day job to pursue cards full-time?
There's more money and demand than ever, but also more competition. Start by focusing on rare pieces, build relationships with people who have significant inventories, and let reciprocity drive your sourcing and deal-making rather than aggressive, transactional approaches.
Passion to Profession: Finding the Unfindable — How Grant Slayton Built His Business
Q: Like what advice do you have for aspiring entrepreneurs in this space?
The key guidance is to help others get what they want, build reciprocal relationships, and trade with people who have large inventories. Focus on long-term value, not just quick flips, and cultivate trust through thoughtful, respectful outreach.
Passion to Profession: Employee No. 12 — Building Overtime and Its Trading Cards with Sam Gordon
Q: What have been some of the biggest lessons in building a brand and a league around athletes who are stars in the making?
Speed, real-time content, and authentic engagement beat traditional production. Our secret was rapid content cycles, bypassing large-scale production for timely clips, and in-person events validated audience demand. We learned to experiment across formats, invest in the people and the culture, and stay relentlessly non-conventional to keep growing the brand beyond online visibility.
Passion to Profession: Employee No. 12 — Building Overtime and Its Trading Cards with Sam Gordon
Q: What did you see as the opportunity in collectibles when OTE was announced, and how did you translate that into a card partnership with Topps?
The opportunity was treating top prospects like Bowman Chrome rookies, leveraging licensing to create fully branded, collectible cards that capture players before they reach the NBA. Topps reached out as they recognized the potential; we evaluated options with other companies and secured a strong deal with Topps that offered net-profit participation and minimum guarantees, plus marketing content tied to Topps products.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
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Frequently Asked Questions About Stacking Slabs

What is Stacking Slabs about and what kind of topics does it cover?

A pulse on the modern sports-card hobby, the show centers on founders, collectors, and operators who are building businesses, marketplaces, and data-enabled products around collecting. Episodes frequently cover scaling with quality and trust, transparency in grading and submissions, community events (like National Week), and the intersection of collecting passion with entrepreneurship. The conversation often dives into infrastructure, customer experience, and practical guidance for operators, while spotlighting personal journeys from garage starts to scalable ventures. Listeners can expect candid industry insights, market trends, and hands-on tips for building, growing, and sustaining hobby businesses without losing the collector mindset th... more

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To see how many followers or subscribers Stacking Slabs has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

Which podcasts are similar to Stacking Slabs?

These podcasts share a similar audience with Stacking Slabs:

1. Sports Card Strategy Show
2. Sports Cards Nonsense
3. Geoff Wilson Show
4. Sports Card Investor
5. Sports Cards Live

How many episodes of Stacking Slabs are there?

Stacking Slabs launched 6 years ago and published 1083 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Stacking Slabs?

Recent guests on Stacking Slabs include:

1. Sam Gordon
2. Brett McGrath
3. Grant Slayton
4. Darius Bly
5. Matthew Warner
6. Leighton Sheldon
7. Scott Lock
8. Ed Snider

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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