Gregg Jefferies wonders how good he could have been
Auction Prices Realized Baseball Cards 1989 Topps Gregg Jefferies
Gregg Jefferies Trading Cards: Values, Tracking & Hot Deals
Gregg Jefferies - 1995 Studio Gold Plastic Stock #47
Auction Prices Realized Baseball Cards 1989 Topps Gregg Jefferies
The top 20 cards of the decade
Gregg Jefferies Trading Cards: Values, Tracking & Hot Deals
Greg Gagne Trading Cards: Values, Tracking & Hot Deals
Gregg Jefferies Trading Cards: Values, Tracking & Hot Deals