2012 Topps Opening Day MLB Baseball Series Unopened Blaster Box with 11 Packs of 7 Cards This is a 2012 Topps Opening Day Baseball Series Factory Sealed Unopened "Blaster" Box that contains 11 packs with 7 cards per for a total of 77 cards! Chance at a ton of different insert cards and star players including Derek Jeter, Evan Longoria, Ryan Howard, Alex Rodriguez, Albert Pujols, Joe Mauer, Ichiro Suzuki, David Wright, Tim Lincecum, Justin Morneau, Josh Hamilton and lots of others!