Donruss Playoff publishes sports trading cards under the names Donruss, Playoff, Leaf, and Score. The company also produces several entertainment collectible card games under the name Score Entertainment. Donruss bought the assets and trademarks of rival Pacific Trading Cards in 2004, giving the company control over additional card brands, including Pacific, Prism, and Crown Royale. Donruss was founded in 1954 by brothers Donald and Russel Weiner (the company's name is a combination of their first names -- Don and Russ).