Topps Definitive Collection 2021 Baseball — Checklist & Parallels
The full 2021 Baseball Topps Definitive Collection checklist — 758 cards and 20 insert sets — plus the eBay item specifics that matter and how to list them fast.
Insert sets & subsets (20)
Beyond the base set, this release includes these inserts and subsets, each with their own numbering and (where noted) parallels. Browse every card in each one — plus search across the whole release — in the interactive set lookup tool.
- Definitive Autograph Collection 51 cards · 1 parallel
- Definitive Rookie Autographs 47 cards · 3 parallels
- Defining Images Autograph Collection 21 cards · 3 parallels
- Defining Seasons Autograph Collection 40 cards · 3 parallels
- Dual Autograph Collection 32 cards · 3 parallels
- Framed Autograph Collection 45 cards · 2 parallels
- Legendary Autograph Collection 40 cards · 1 parallel
- Definitive Cut Signatures 48 cards
- Base Autographed Relic Collection 47 cards · 7 parallels
- Autographed Patch Book Collection 24 cards · 1 parallel
- Definitive Autographed Relic 59 cards · 3 parallels
- Definitive Autographed Ultra Patch Collection 10 cards
- Dual Autographed Relic Collection 20 cards · 2 parallels
- Framed Autographed Patch 28 cards · 2 parallels
- Protectors at the Plate Autographed Relics 3 cards · 1 parallel
- Definitive Helmet Collection 10 cards · 5 parallels
- Definitive Nameplate Collection 70 cards
- Definitive Patch Collection 99 cards
- Jumbo Relic Collection 56 cards · 4 parallels
- Protectors at the Plate Relics 8 cards · 3 parallels
How to list Topps Definitive Collection 2021 Baseball cards on eBay fast
The slow part isn't pricing — it's data entry. Here's the fast path:
- Photograph the cards — fronts (and backs for accuracy) on a plain background.
- Scan with AI — the player, year, card number, and parallel are read for every card at once, with recent eBay sold prices pulled for a suggested price.
- Review — step through and fix anything off; you stay in control.
- Publish — list the whole batch via the eBay API, or export a File Exchange CSV.
List a whole batch of Topps Definitive Collection in minutes
MyCardBatch scans your cards, fills every eBay field — including the right parallel — and lists them via the API or a ready-to-import CSV, then tracks offers, orders, and profit. Start with 100 free card uploads, no card required.
Get 100 Free Uploads →Frequently asked
What parallels are in Topps Definitive Collection 2021 Baseball?
Topps Definitive Collection 2021 Baseball's parallel list isn't in our database yet — check the interactive set lookup tool for the latest, or the base checklist above for numbering.
How do I list Topps Definitive Collection 2021 Baseball cards on eBay quickly?
Photograph the cards, let AI read the player, year, card number, and parallel for each one, review the drafts, and publish the whole batch to eBay via the API or a File Exchange CSV — instead of typing every item specific by hand.