Brent Knackert Rookie Cards

Do you know that the most expensive Brent Knackert Baseball Rookie Card (1991 Upper Deck Brent Knackert Baseball Rookie Card 378 Mariners Poor Creased OC) was sold on eBay in 03/2026 for $89.19 while the cheapest Rookie Card (1990 Topps Traded Rookie RC #52T Brent Knackert Seattle Mariners Baseball Card) changed hands for only $1.60 in 01/2026? The month with the most cards sold (4) was June 2025 with an average selling price of $26.30 for a Baseball Card of Brent Knackert. Sold items reached their highest average selling price in July 2026 with $59.75 and the month that saw the lowest prices with $1.60 was May 2025. In average, a Rookie Card from Brent Knackert is valued at $1.77.

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To give you a bigger picture, here are some more Baseball Rookie Cards of Brent Knackert that were sold recently on eBay. In total, we scanned 20 sales to create the statistics about price trends and current value of Brent Knackert Baseball Rookie Cards shown on top of this page.

Picture	Item Title	Price	Store
	1990 Topps Traded Rookie RC #52T Brent Knackert Seattle Mariners Baseball Card	$1.60
	1990 Topps Traded Rookie RC #52T Brent Knackert Seattle Mariners Baseball Card	$1.60
	1991 Upper Deck Brent Knackert Baseball Rookie Card 378 Mariners Poor Creased OC	$59.46
	1991 Upper Deck Brent Knackert Baseball Rookie Card 378 Mariners Poor Creased OC	$89.19
	1991 Upper Deck Brent Knackert Baseball Rookie Card 378 Mariners Poor Creased OC	$59.75
	1991 Upper Deck Brent Knackert Rookie Card #378 Mariners	$2.10