It’s taken awhile—and apparently taken a small army to get it done—but Khalil Mack has finally signed his 2014 Playoff Contenders rookie cards. Panini America announced Monday that it would begin fulfilling redemption cards that were issued upon the product’s January 15 release.  No specific reason was given as to why it took so long to get Mack to sign, but Panini says … [Read more...]