2026 Topps Pro Debut Baseball Hobby Box (Pre-Sale - Release Date 11/18/2026)

Configuration: 

• 6 packs per box. 
• 24 cards per pack. 

2026 Topps Pro Debut Baseball showcases emerging prospects from across Minor League Baseball in a 200-card Base Set. New Arizona Fall League Stars, Pipeline Pairings, and Pro Debut Gamers expand the insert lineup alongside returning favorites, such as Stars of MiLB and Ballpark Promos. Future Cornerstones, Dual and Triple Autographs, and Jumbo Autograph Relics also return, bringing even more of the Minor League Baseball experience to collectors. 

Box Break 

• 4 Autographs

Release Date of 18 November