His licensing agreement with NFL Properties allowed Denny to gain access to its extensive photo library[2] and become the first card maker officially associated with a professional sports league.

During its years in the business, Pro Set acquired licenses from several sports associations including the NFL, NHL, NASCAR and PGA Tour to produce trading cards.

In February 2021, Leaf Trading Cards CEO Brian Gray announced that the company had assumed control of the Pro Set trademark and of its intention to resurrect the brand.

In 1994, Pro Set folded due to Chapter 7 bankruptcy, citing more than $800,000 in unpaid royalties to the NFL Players Association.

Pro Set claimed to have its own printing presses for its product, which could make and issue cards very quickly.

[5] Beckett Publications noted that in 1991, sports cards grossed about $1.9 billion in sales in North America, so Pro Set had a dramatic impact, albeit briefly.

[6] Pro Set included other insert cards in its 1990 offering, such as Payne Stewart, a comic book character called Super Pro, which was a superhero in a football uniform, a tribute to the late Joe Robbie, and the Lombardi Trophy Hologram card.

[1] Due to a contractual dispute, and his unwillingness to join the NFLPA, the Pro Bowl card of Eric Dickerson (No.

They are as follows: [9] [9] [9] When Pro Set, Inc. entered Chapter 11 bankruptcy protection prior to the 1992–93 NHL season, Price traveled weekly from Toronto to Dallas and became the unofficial hockey brand manager.