The 2021 Donruss Baseball Fat Pack is a retail-exclusive configuration designed for collectors seeking a high volume of cards and specific retail parallels. It features a mix of modern stars, legendary players, and a deep rookie class.

• Total Cards: 30 standard-sized cards per pack.
• Retail Exclusives: Every Fat Pack is guaranteed to contain:
  • 3 Holo Red Parallels.
  • 1 Vector Parallel (exclusive to this pack format)
  • Rated Rookies: Features one of the most significant rookie classes in recent years, including players like Jo Adell, Ryan Mountcastle, Ke'Bryan Hayes, Casey Mize, and Joey Bart.
  • Retro 1987 Design: The set uses the classic 1987 Donruss design for various base cards, inserts, and memorabilia sets.