1991 Donruss Gregg Olson Diamond Kings #23

1991 Donruss Diamond Kings #23 Gregg Olson – Baltimore Orioles – Rookie Year Highlight

This listing features the 1991 Donruss Diamond Kings #23 card of Gregg Olson, standout closer for the Baltimore Orioles. This card captures Olson during his rookie season, the same year he earned AL Rookie of the Year honors—a rare feat for a relief pitcher.

Part of the iconic Diamond Kings subset illustrated by Dick Perez, this card blends bold artwork with early-career stats and commentary, making it a great addition for Orioles fans and collectors of 1980s baseball history.