Bob Horner / Roger Clemens / Joe Cowley Cards
The complete Bob Horner / Roger Clemens / Joe Cowley checklist: 1 card — cards spanning 1987.
Data updated June 28, 2026.
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baseball
1987
Sportflics 19871 card
Frequently Asked Questions about Bob Horner / Roger Clemens / Joe Cowley Cards
Does Bob Horner / Roger Clemens / Joe Cowley have a rookie card?
No confirmed Bob Horner / Roger Clemens / Joe Cowley rookie cards are currently in the AgentGrail catalog. The catalog covers 1 Bob Horner / Roger Clemens / Joe Cowley cards in total. Check back as we continue to add new sets.
What years were Bob Horner / Roger Clemens / Joe Cowley cards made?
The AgentGrail catalog includes Bob Horner / Roger Clemens / Joe Cowley cards from 1987, totaling 1 cards across all sets and brands. The earliest cards date from 1987 and the most recent are from 1987.
Where can I buy Bob Horner / Roger Clemens / Joe Cowley cards?
eBay is the largest marketplace for Bob Horner / Roger Clemens / Joe Cowley 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 28, 2026