2026 Topps Series 2 Baseball Mega Box

Release Date: June 24, 2026

ABOUT THIS PRODUCT

2026 Topps Series 2 Baseball Mega Box – Full Checklist, Autograph Odds

Product Overview

2026 Topps Series 2 Baseball Mega Box delivers the midseason update to the flagship program, expanding the checklist with newly signed stars in current uniforms and the year’s next wave of rookies. Series 2 anchors a year-long celebration of the 75th anniversary of Topps Baseball, with anniversary-themed inserts and design nods bridging past and present. The 2026 Topps Series 2 Baseball Mega Box checklist runs from a 350 card base set through variations, inserts, autographs, and relics, featuring veterans such as Shohei Ohtani, Juan Soto, Mike Trout, and Pete Alonso alongside rookies including Trey Yesavage, Sal Stewart, Chase DeLauter, and Bryce Eldridge. The Mega Box format leans on the Stars of MLB and Titans of the Game inserts and its exclusive Crackle Foil parallels.

Format & Box Configuration

Each 2026 Topps Series 2 Baseball Mega Box holds 14 packs of 14 cards, with 20 boxes per case. Each pack includes thirteen base cards and one Stars of MLB or Titans of the Game insert. This SKU carries the Mega Box-exclusive 1991 Topps Baseball and 1991 Topps All-Star Baseball Crackle Foil parallels. Among the scarcer pulls, Base Cards 1952 Autograph Variation (1:253,299) and the 75 Years of Topps Baseball Autographs (1:2,359,840) sit deep in the checklist, while a Base Set Gold parallel (#’d to 2026) lands around one per case.

Card Types

• Base: Base Set (350 card set), with numbered and foil parallels.
• Rookies & Variations: Base Card Short Print Rookies (4 card set), Base Cards 1952 Variation (20 card set), Through the Years Golden Mirror Rookie Cards (5 card set).
• Image Variations: Golden Mirror Base Image Variations (350 card set), Golden Mirror Legend Variations (50 card set), True Photo Variations (100 card set), Team Color Border Variation (100 card set), Vintage Stock Retro Variation (100 card set).
• Inserts: 1991 Topps Baseball, 1991 Topps All Star Baseball, Stars of MLB, Titans of the Game, Crooked Numbers, Glove Work, First Pitch, Heavy Lumber, Home Field, All Aces, All Kings, Cover Athletes Cards.
• Autographs: Baseball Stars Autographs, Flagship Real One Autograph Cards, 1991 Topps Baseball Autograph Cards, 1991 Topps Baseball All Star Autograph Cards, World Champion Autograph Cards, Postseason Performance Autograph Cards, Cover Athletes Autograph Cards, Signature Tunes Dual Autographs, 75 Years of Topps Die Cut Autographs, 75 Years of Topps Baseball Autographs, Base Cards 1952 Autograph Variation.
• Autograph Relics: Heavy Lumber Autograph Relics, Major League Material Cards Autograph Parallel, Major League Material Dual Autograph Cards, City Connect Swatch Collection Autograph Parallel, First Pitch Autograph Parallel, Rounding the Bases Relic Autograph Parallel.
• Relics: Major League Material Cards, Real One Relics, Rounding the Bases Relic, 1991 Topps Baseball Relics, 1991 Topps Baseball All Star Relics.

Parallel Guide

Base Set parallels present in this SKU:

• Rainbow Foil – 1:10 packs
• Holo Foil – 1:10 packs
• Gold – #’d to 2026
• Aqua Rainbow Foil – 1:251 packs
• Aqua Holo – 1:501 packs
• Pink Holo – 1:60 packs
• Yellow Holo Foil – #’d to 399
• Purple Holo Foil – #’d to 250
• Blue Holo Foil – #’d to 150
• Green Holo Foil – #’d to 99
• Independence Day – #’d to 76
• 75 Years of Topps – #’d to 75
• Black – #’d to 75
• Canadian Independence Day – #’d to 67
• Gold Holo Foil – #’d to 50
• Canvas – #’d to 50
• Memorial Day Camo – #’d to 25
• Orange Holo Foil – #’d to 25
• Wood – #’d to 25
• Black Holo Foil – #’d to 10
• Red Holo Foil – #’d to 5
• Rose Gold Holo Foil – #’d 1/1
• Printing Plates – #’d 1/1

Insert and 1991-design sets carry their own color runs. The Crackle Foil parallels on 1991 Topps Baseball, 1991 Topps All Star Baseball, Stars of MLB, and Titans of the Game are exclusive to the Mega Box, running from base Crackle down to numbered Red Crackle (#’d to 5).

Autograph and Relic Content

• Baseball Stars Autographs – 92 card set. 1:1,740, with color parallels down to Platinum (#’d 1/1).
• Flagship Real One Autograph Cards – 66 card set. 1:4,254, including a 75th Anniversary parallel (#’d to 75).
• 1991 Topps Baseball Autograph Cards – 90 card set. 1:1,741.
• 1991 Topps Baseball All Star Autograph Cards – 71 card set. 1:6,005.
• World Champion Autograph Cards – 14 card set. 1:69,408.
• Postseason Performance Autograph Cards – 33 card set. 1:28,432.
• Cover Athletes Autograph Cards – 9 card set. 1:337,120.
• Signature Tunes Dual Autographs – 4 card set. 1:786,614.
• 75 Years of Topps Die Cut Autographs – 11 card set. 1:60,509.
• 75 Years of Topps Baseball Autographs – 4 card set. 1:2,359,840.
• Base Cards 1952 Autograph Variation – 19 card set. 1:253,299.
• Heavy Lumber Autograph Relics – 43 card set. 1:234,270.
• Major League Material Cards Autograph Parallel – 65 card set. 1:15,473, down to Platinum (#’d 1/1).
• Major League Material Dual Autograph Cards – 8 card set. 1:262,205.
• City Connect Swatch Collection Autograph Parallel – 56 card set. 1:13,784.
• Rounding the Bases Relic Autograph Parallel – 61 card set. 1:34,201.
• First Pitch Autograph Parallel – 6 card set. 1:94,394.
• Major League Material Cards – 98 card set. 1:311, with numbered parallels to Platinum (#’d 1/1).
• Real One Relics – 45 card set. 1:4,062.
• Rounding the Bases Relic – 79 card set. 1:4,083.
• 1991 Topps Baseball Relics – 50 card set. 1:349.
• 1991 Topps Baseball All Star Relics – 50 card set. 1:1,123.

Insert Highlights

• 1991 Topps Baseball – 50 card set built on the 1991 design, marking that set’s 35th anniversary with past and present players (1:4). Mega Box Crackle Foil parallels available.
• 1991 Topps All Star Baseball – 50 card set companion to the 1991 tribute (1:4), also with Mega Box Crackle Foil parallels.
• Stars of MLB – 30 card set (1:2); a pack staple in this SKU with Crackle parallels.
• Titans of the Game – 20 card set (1:3); the other pack-level insert with Crackle parallels.
• Home Field – 20 card set pairing players with imagery from their home ballparks (1:2,999).
• Heavy Lumber – 25 card set of wood-grained cards highlighting top hitters (1:2,399).
• Crooked Numbers – 25 card set (1:16).
• Glove Work – 65 card set (1:6).
• First Pitch – 6 card set (1:64).
• All Aces – 10 card set (1:11,979).
• All Kings – 15 card set (1:8,000).
• Cover Athletes Cards – 10 card set (#’d to 75; 1:39,998).

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