Manufacturer: Upper Deck
Set: 1989 Upper Deck Baseball ➡️
Player Name: Gregg Jefferies
Position/Team: 3rd Base for Mets
Card #: 9
Card Size: 2-1/2” x 3-1/2”
Card Value Snapshot: Raw/Ungraded: $1 | Grade 10: $38
⬇️ See More Pricing Data Below
Gregg Jefferies was a professional baseball infielder and outfielder who played in Major League Baseball for 14 seasons, from 1987 to 2000. Drafted by the New York Mets in the first round of the 1985 amateur draft, he was a highly regarded prospect. Jefferies was the first two-time winner of the Baseball America Minor League Player of the Year Award, winning in both 1986 and 1987. He made his MLB debut with the Mets in 1987 at the age of 19.
Throughout his career, Jefferies played for six different teams: New York Mets (1987–1991), Kansas City Royals (1992), St. Louis Cardinals (1993–1994), Philadelphia Phillies (1995–1998), Anaheim Angels (1998) and Detroit Tigers (1999–2000).
After his playing career, Jefferies became a hitting instructor and opened his own sports academy.
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Pricing Data For This Rookie Card
Tracking the current market value for the 1989 Upper Deck Gregg Jefferies Card #9. Below, find updated pricing data for ungraded (raw) copies, as well as verified PSA graded sales trends collected from secondary marketplaces.
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Raw/Ungraded: $1
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Grade 7: $6
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Grade 8: $8
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Grade 9: $10
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Grade 10: $38
Data Updated: August 2026
➡️ See All 1989 Upper Deck Rookie Card Prices
Pricing data includes raw card price & some graded card value estimates.
These values are collated from a variety of resources including recently sold listings, sales averages and a variety of other sports card pricing data sources. Please see full disclaimer on “Terms Page” for more information. (Rookiecardprices.com only shows values for regular base set cards. No prices are shown for errors, parallels, subsets, misprints or other cards unless noted.)
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