2026 Topps Pro Debut Baseball Jumbo Hobby Box

Four Autos Per Box. Baseball’s Next Wave in Minor League Uniforms. Chrome Refractor Rainbow. Chase the Future Cornerstones.

6 packs | 24 cards per pack | 144 cards per box | 4 autos per box | 8 boxes per case | Releases November 18, 2026

Pro Debut puts the game’s top prospects on cardboard in their MiLB uniforms, with a 200-card base set, a Chrome variation rainbow and four autographs per box on average.

Foil Parallels: Purple /299 | Fuchsia /199 | Sparkle /175 | Blue /150 | Green /99 | Aqua /75 | Gold /50 | Orange /25 | Donut /15 | Red /10 | Foilfractor 1/1

Chrome Variations: Refractor /199 | Wave /150 to /10 | Mini Diamond /50 to /5 | Red /5 | SuperFractor 1/1

Autographs: Base Card Autos | Chrome Autos | Future Cornerstones | Dual & Triple Autos | Jumbo Auto Relics

Inserts: Arizona Fall League Stars | Pipeline Pairings | Pro Debut Gamers | Ballpark Promos | Stars of MiLB

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Released: November 18, 2026 | Brand: Topps | Sport: Baseball | Format: Jumbo Hobby Box | 6 packs of 24 cards (144 total) | Set Size: 200 cards | 4 autographs per box (on average) | 8 boxes per case | Minor league prospect product; cards picture players in MiLB uniforms