Bret Boone - Seattle Mariners - 1992 Upper Deck Diamond Debut Card #771. Ungraded – Raw – MLB Baseball trading card. Officially Licensed.
Add a second-generation standout to your roster! Relive the early career of one of the 90s' most prolific middle infielders with this 1992 Upper Deck Diamond Debut #771 featuring Bret Boone. A key piece of the Mariners' homegrown youth movement, Boone brought elite defensive range and surprising power to the Seattle lineup. This card comes from the highly-sought-after "Diamond Debut" subset, featuring the premium full-bleed photography and high-gloss finish that made early 90s Upper Deck the hobby favorite. Whether you’re a Mariners loyalist or a collector of the league’s most consistent second basemen, this card is a classic addition to any baseball set.
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