Keynan Middleton Cards
The complete Keynan Middleton checklist: 6 cards — cards spanning 2017–2020, 1 rookie card.
Data updated June 20, 2026.
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baseball
2020
2019
2017
Frequently Asked Questions about Keynan Middleton Cards
Does Keynan Middleton have a rookie card?
Yes. The AgentGrail catalog includes 1 Keynan Middleton rookie card across this set. Rookie cards are among the most sought-after Baseball cards for collectors and investors.
What years were Keynan Middleton cards made?
The AgentGrail catalog includes Keynan Middleton cards from 2017 through 2020, totaling 6 cards across all sets and brands. The earliest cards date from 2017 and the most recent are from 2020.
What sets include Keynan Middleton cards?
Keynan Middleton cards appear in numerous sets, including Topps Heritage, Topps Update, Topps Chrome Update Sapphire Edition, and 2 more. The full checklist on this page lists every set in the AgentGrail catalog.
Where can I buy Keynan Middleton cards?
eBay is the largest marketplace for Keynan Middleton baseball cards, offering both raw and graded (PSA, BGS, SGC) copies. Use the "Find on eBay" buttons on this page to search current listings. For investment-grade copies, look for PSA 10 certified cards.
Answers are grounded in AgentGrail catalog data and recent eBay market comps.
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Compiled by the AgentGrail team · Data refreshed June 20, 2026