2021 Topps Pro Debut builds on last years strong release with another year of cards showcasing promising young prospects from throughout MiLB. Build the entire 200-card Base Set including the all-new Base Set Draft Picks subset! Find 4 Autograph or Relic cards in each Hobby box. 8 cards per pack, 24 packs per box; 24 cards per jumbo pack, 6 jumbo packs per box.