• 3 cards per pack • 5 packs per box • 10 boxes per case Upper Deck is bringing back its CHL SP Game-Used product for the 2021-22 season! Featuring the top prospects from the CHL, the world's premier developmental hockey league, you can find many of tomorrow's stars here. The CHL provides more players to the NHL than any other league. In the 2022 NHL Entry Draft, 82 CHL players were selected, representing over 36% of all draft picks. All Base Set Authentic Prospects cards are inkjet-printed with the player's jersey number.