Panini America officials today will unveil 2019 White Sparkle Prizm Baseball packs as a bundle exclusive on iCollectPanini.com. While supplies last, customers will receive one three-card 2019 White Sparkle Prizm Baseball pack when they purchase one 2019 Donruss Baseball Mega Box. 2019 White Sparkle Prizm Baseball includes more than 80 Rookie Autographs featuring the likes of Vladimir Guerrero Jr., Fernando…