Underdog Collectibles

Underdog Collectibles Underdog is a sports card and trading card game and collectibles store located in Knoxville, TN.

We have a wide variety of sealed packs and boxes and singles for baseball, basketball, football, Pokemon, Magic and much more.

08/04/2026

💥 We’re closed today, but the cases are LOADED with fresh pickups from The National! 🔥 Tomorrow is the first chance to check it all out.

🚨 Last Sticker Swap August 8, 2026! 🚨Let’s get those albums finished! ⚽📖Drop the sticker numbers you’re still looking fo...
08/03/2026

🚨 Last Sticker Swap August 8, 2026! 🚨

Let’s get those albums finished! ⚽📖

Drop the sticker numbers you’re still looking for in the comments. Someone in the community might have exactly what you need! 🤝Bring your duplicates, make some trades, and let’s help everyone finish their albums!

08/02/2026

Kayla dropped one of the best pieces of collecting advice: Find something you like and collect it! 🔥 Get behind it, and you’ll always love it even if the value one day drops to zero.

08/02/2026

Last day at The National! 🔥 What an incredible week! If you’re here today, make sure you stop by and see us before the show wraps up. Let’s finish strong! Booth 2807 The National 🇺🇸

08/01/2026

Underdog Takeover with Alex! Alex stopped by the Wild Card booth to check out the action! Spend $100 and you get a chance to spin the prize wheel.

08/01/2026

Part 2 is here! 🔥 Alex just opened a National Exclusive Battle Arena Pack at The National! 👀

How do you think she did? Rate her pulls in the comments!

08/01/2026

Part 1! We’re here with the Arena 7 Crew! 🔥 They’ve been standing in line to grab the exclusive National Battle Arena packs. Alex is getting a crash course and learning all about Battle Arena!

08/01/2026

Rippin’ Rob has been so busy buying and selling at The National that Alex has officially taken over content duty for today! 🎥🔥 Follow along as she brings you all the action from the show. You won’t want to miss it!

07/31/2026

Day 3 at The National is here! 🔥 It’s been busy, it’s been fun, and we’re loving every minute of it. We’re still buying all weekend, so stop by Booth 2807

Address

4452 Western Avenue
Knoxville, TN
37921

Opening Hours

Monday 11am - 7pm
Wednesday 11am - 7pm
Thursday 11am - 7pm
Friday 11am - 9pm
Saturday 11am - 9pm
Sunday 12pm - 6pm

Telephone

+18652193836

Website

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