Each pack of 2026 Topps Chrome Update Series Baseball Mega Box contains seven (7) cards, with six (6) packs per box. Look for autographs, parallels, X-Fractors, Refractors, inserts, SP inserts and Lightboard Logo inserts.
2026 Topps Chrome Update Series Baseball captures late-season debuts, stars in new uniforms and key moments on iconic Chrome technology. It is headlined by the return of MLB Rookie Debut Patch Autographs, each one-of-one card pairing a rookie's autograph with the MLB Debut patch worn in their first Major League game. Alter Ego Super Heroes also returns with its comic book-inspired take on baseball's stars, while the new retail-exclusive Glass Canvas brings another chase to the release.
Base (Traded Players, Rookies, Rookie Debut, All Star Game) parallels: Refractor, Yellow /275, Pink /250, Pink Lava /250, Aqua /199, Aqua Lava /199, Blue /150, Blue Lava /150, Green /99, Green Lava /99, Purple /75, Purple Lava /75, 75th Anniversary /75, Gold /50, Gold Lava /50, White /30, Orange /25, Orange Lava /25, Black /10, Black Lava /10, Red /5, SuperFractor 1/1, Printing Plates 1/1.
Mega Box exclusive parallels: X-Fractor, Blue X-Fractor /150, Green X-Fractor /99, Purple X-Fractor /75, Gold X-Fractor /50, Orange X-Fractor /25, Black X-Fractor /10.
Retail exclusive: Traded Players, Rookies, Rookie Debut and All Star Game Lightboard Logo.
Image Variations (Green /99, Gold /50, Orange /25, Black /10, Red /5, SuperFractor 1/1) and Base Cupfractor Variations (Gold /50, Orange /25, Black /10, Red /5, Rose Gold 1/1).
Inserts: Autumn Ascensions, Wrecking Crew, Perspectives and Diamond Impact, plus Mega Box and Value Box exclusive Rivalries Away, Past to Present, Chromatic Cornerstones and Vibin (Green /99 to SuperFractor 1/1).
Short prints: Rookie Super Short Prints, All Star Game Short Prints, Helix and Alter Ego Super Heroes, plus Mega Box and Value Box exclusive Celebracion, Glass Canvas and Paradox.