2026 Topps Cosmic Chrome Baseball Hobby Box

2026 Topps Cosmic Chrome Baseball goes beyond the ballpark, featuring veterans, rookies, and legends from across the game. Mars Attacks MLB and Cosmic Dust make their debut in this year's insert lineup, while the highly sought-after Planetary Pursuits remains a defining feature of the Cosmic Chrome brand. Refractor parallels inspired by galaxies, planets, and other deep-space phenomena bring even more color to the collection, with autographs from baseball's brightest stars completing the 2026 release.