April 29, 1986: Roger Clemens becomes first pitcher to strike out 20 in nine innings – Society for American Baseball Research
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Ex-Mariners relive night they were on wrong side of history, 34 years after Roger Clemens' 20-strikeout game
The card in the scan is the actual card you will receive.
1993 Upper Deck Clutch Performers #R7 Roger Clemens Red Sox
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Roger Clemens: 30th anniversary of 20-strikeout game - ESPN - Stats & Info- ESPN
Roger Clemens' second career 20-strikeout game was a masterful display of dominance
Wezen-Ball: Clemens' 20 K's - Baseball ProspectusBaseball Prospectus
Roger Clemens
1992 Topps Stadium Club #593 Roger Clemens MEMBERS CHOICE - NM-MINT 2682
Throwback: Roger Clemens Records 300th Win And 4,000th Strikeout
When the K-card guy almost missed Roger Clemens' 20-K game — almost - The Athletic
Roger Clemens Vintage Sports Ticket Stubs for sale
Roger Clemens Strikeouts 20 Seattle Mariners - This Day In Baseball