Arizona Diamondbacks Mitchell & Ness Cooperstown Evergreen Pro Snapback - White

Cooperstown Collection Structured Crown with Pre-curved Brim Throwback Team Logo Side Patch Wool-feel Polyester Green Undervisor Snap closure Arizona Diamondbacks Mitchell & Ness Cooperstown Evergreen Pro Snapback - White Preloved Excellent Condition Mens Hats The Snap is Back. In 1988, Major League Baseball created the Authentic Collection license, giving Mitchell & Ness exclusive rights to make player number jerseys. Today, Mitchell & Ness continues to bolster the popularity of sportswear, delivering MLB headwear in the company's most famed silhouette-the snapback.