2026 Topps Series 1 Baseball Hobby Box

2026 Topps Series 1 Baseball opens a year marking the 75th Anniversary of Topps Baseball. Each hobby box holds 20 packs of 12 cards, built on a 350-card base set in the new 2026 design.

The 350-card base set covers current MLB stars, leading rookies, Future Stars, League Leaders and team cards. Anniversary-themed content includes Cover Athletes inserts plus 75 Years of Topps Die-Cut Autographs and 75 Years of Topps Baseball Autographs.

A broad run of numbered color parallels sits alongside a deep insert lineup. All Aces, Heavy Lumber and Home Field return, and Base Card 1952 Variations, Topps Profiles and 1991 Topps Baseball are new. Autograph and relic content includes Real One Autographs, Flagship Autograph Patch Cards, City Connect Swatches and one-of-one In the Name relics.

Highlights

• 20 packs per box, 12 cards per pack

• 350-card base set in the 2026 design

• 75th Anniversary of Topps Baseball themed inserts

• Returning inserts: All Aces, Heavy Lumber, Home Field

• Real One Autographs and City Connect Swatches

• One-of-one In the Name relics

Box configuration

Product breakdown

Autographs and relics remain a cornerstone of the Topps Baseball experience, highlighted by Real One Autographs, Flagship Autograph Patch Cards, City Connect Swatches, and one-of-one In the Name relics.

Checklist and parallels as published by the manufacturer.

Good to know

• Sealed box: the cards inside are inserted at random by the manufacturer. The configuration, checklist and odds are Topps'; no particular card, player, parallel or autograph is promised.