2026 Bowman Chrome Mega Box Baseball Checklist Revealed

2026 Bowman Chrome Mega Box Baseball Checklist, Team Set Lists and Details

Topps is bringing back Bowman Chrome Mega Box Baseball for 2026, pairing the annual Chrome release with the exclusive Mojo foil finish collectors expect from the format. The product blends base Bowman Chrome cards, Chrome Prospects, autographs and a pair of inserts that also receive the Mega Box treatment.

Each box contains 36 cards, and Topps says the contents are split evenly between Chrome base cards, Chrome Prospects and Mojo exclusive base cards. The release date is listed as September 23, 2026, subject to change.

2026 Bowman Chrome Mega Box Baseball at a glance

• Cards per pack: Mega - 6
• Packs per box: Mega - 6
• Boxes per case: Mega - 20
• Set size: 100 cards total, including 50 base cards and 50 prospects
• Release date: September 23, 2026, subject to change

Topps has not announced print runs for cards without serial numbers.

Mojo foil cards and parallels

The Mega Box format gives 50 players from the flagship Bowman Chrome base set and 50 players from the Chrome Prospects set the exclusive Mojo foil finish. About half of the base set includes rookies, giving the checklist a strong rookie presence alongside established stars.

Mojo Refractors are confirmed in multiple versions, including Yellow (/75) and Black and White (/15). Topps also notes that 10 players from the base checklist and 10 players from the Prospects checklist receive Mojo Image Variations.

Some of those image variation subjects also have autographed versions, adding another chase layer for collectors opening Mega Boxes.

Autographs in 2026 Bowman Chrome Mega Box Baseball

The autograph lineup is one of the biggest draws in the product. Topps lists 104 signers for Chrome Prospect Autographs in the flagship Bowman Chrome release, but only 59 of those are exclusive to Mega Boxes. In addition, 27 rookies signed cards with Mojo foil for the Mega Box format.

The autograph checklist includes three main groups:

• Chrome Prospect Autographs - 59 cards
• Mega Rookie Autographs - 27 cards
• Chrome Prospect Image Variation Autographs - 6 cards
• Base Image Variation Autographs - 8 cards

Among the names included in the Mega Rookie Autographs checklist are Konnor Griffin, Kevin McGonigle, Roman Anthony, Travis Bazzana, Chase Burns, Chase DeLauter, Cam Schlittler, Jac Caglianone, Jacob Misiorowski, Bryce Eldridge, Carson Benge, JJ Wetherholt, Nolan McLean, Samuel Basallo, Trey Yesavage, Tatsuya Imai and Kazuma Okamoto.

The Chrome Prospect Autographs checklist features a wide mix of prospects, including Ethan Holliday, Leo De Vries, Max Clark, Walker Jenkins, Sebastian Walcott, Eli Willits, Jesús Made, JoJo Parker, Andrew Painter, Dax Kilby and others.

Image variation autographs are also available for select base and prospect subjects, including Konnor Griffin, Kevin McGonigle, Paul Skenes, Mike Trout, Yoshinobu Yamamoto, Wandy Asigen, Johenssy Colome, Luis Hernandez, Ethan Holliday, Dante Nori, Jesús Made and Eli Willits.

Insert sets with Mojo treatment

Two insert sets receive the Mojo foil finish in Mega Boxes: It Came To The League and 2026 MLB Spring Breakout. Both checklists are built around top rookies and prospects, with several of the most talked-about names in the product appearing across multiple sections.

It Came To The League is a 20-card insert set that includes Franklin Arias, Jamie Arnold, Jac Caglianone, Kevin McGonigle, Travis Bazzana, Roman Anthony, Carson Benge, Alex Freeland, Kazuma Okamoto, Munetaka Murakami, Colson Montgomery, Konnor Griffin, JJ Wetherholt, Tatsuya Imai, Luis Hernandez, Sal Stewart, Leo De Vries, Josuar Gonzalez, Ethan Holliday and Max Clark.

2026 MLB Spring Breakout is a 25-card insert set featuring Konnor Griffin, JJ Wetherholt, Leo De Vries, Ethan Holliday, Max Clark, Seth Hernandez, James Tibbs III, Luis Hernandez, JoJo Parker, Gavin Fien, Zach Root, Ethan Salas, Colt Emerson, John Gil, Yorger Bautista, Héctor Rodríguez, Xavier Neyens, Blake Mitchell, Luis Peña, Kaelen Culpepper, Aroon Escobar, Tony Blanco Jr., Lazaro Montes, Kendry Chourio and Andrew Fischer.

Base set highlights

The 50-card base checklist mixes rookies, current stars and notable international names. Among the rookies and rookie-designated players in the base set are Konnor Griffin, Kevin McGonigle, Chase DeLauter, Cole Young, Chase Burns, Tatsuya Imai, Cam Schlittler, Alex Freeland, Owen Caissie, Bubba Chandler, Roman Anthony, Sal Stewart, JJ Wetherholt, Justin Crawford, Travis Bazzana, Wyatt Langford, Samuel Basallo, Colson Montgomery, Munetaka Murakami, Bryce Eldridge, Jac Caglianone, Nolan McLean, Trey Yesavage, Kazuma Okamoto and Carson Benge.

The veteran side of the checklist includes Bobby Witt Jr., Alex Bregman, Bo Bichette, Francisco Lindor, Nick Kurtz, Fernando Tatis Jr., Kyle Tucker, Ronald Acuña Jr., Paul Skenes, Bryce Harper, Jacob Misiorowski, Aaron Judge, Juan Soto, Tarik Skubal, Mike Trout, Corbin Carroll, Yoshinobu Yamamoto, Gunnar Henderson, Cal Raleigh, Pete Crow-Armstrong, Elly De La Cruz, Junior Caminero, Pete Alonso and Shohei Ohtani.

Chrome Prospects checklist

The Chrome Prospects checklist features 50 players and leans heavily into some of the most closely watched names in the minors and international pipeline. The list includes Slater de Brun, Wandy Asigen, Alex Lodise, John Gil, Johenssy Colome, Diego Frontado, Francisco Renteria, JoJo Parker, Ezequiel Melbourne, Leo De Vries, Randy Santana, Gregory Pio, Wilton Guerrero Jr., Samil Serrano, Jaider Suarez, Ricky Duran, Sebastian Dos Santos, Dawvris Brito, Ricky Moneys, Angeibel Gomez, Juan Rijo, Walker Jenkins, Luis Hernandez, Joniel Hernandez, Santiago Solarte, Cleiner Ramirez, Ethan Holliday, Angel Salio, Owen Ayers, Enmanuel Merlo, Caleb Bonemer, Angel Nunez, Manuel Bolivar, Jeancer Custodio, Pedro Gomez, Jeyson Horton, Sebastian Walcott, Dante Nori, Kevin Alvarez, Alfredo Duno, Max Clark, Seth Hernandez, Ariel Roque, Elian Rosario, Randy Arias, Jesús Made, Eli Willits, Garielvin Silverio, Cooper Pratt and Andri Hidalgo.

Several of those players also appear in the variation and autograph sections, giving collectors multiple chase opportunities across the same names.

Image variations and other short-print chases

Topps also included several tougher pulls beyond the main base and prospect cards. The checklist notes Red RCs, Bowman GPK, Bowman Spotlights, Crystalized and Final Draft among the cards available from Mega Boxes.

Base Image Variations are listed for Konnor Griffin, Kevin McGonigle, Roman Anthony, JJ Wetherholt, Ronald Acuña Jr., Paul Skenes, Mike Trout, Munetaka Murakami, Jac Caglianone and Yoshinobu Yamamoto.

Chrome Prospect Image Variations are listed for Wandy Asigen, Johenssy Colome, Francisco Renteria, JoJo Parker, Luis Hernandez, Ethan Holliday, Sebastian Walcott, Dante Nori, Jesús Made and Eli Willits.

Base Image Variation Autographs are available for Konnor Griffin, Kevin McGonigle, JJ Wetherholt, Paul Skenes, Mike Trout, Munetaka Murakami, Jac Caglianone and Yoshinobu Yamamoto. Chrome Prospect Image Variation Autographs are listed for Wandy Asigen, Johenssy Colome, Luis Hernandez, Ethan Holliday, Dante Nori and Eli Willits.

Team set checklist notes

Topps also released team-by-team checklist breakdowns for 2026 Bowman Chrome Mega Box Baseball. Those team lists show which base cards, prospects, variations, autographs and inserts are associated with each club.

Some teams have especially deep representation. The Pittsburgh Pirates checklist, for example, includes Konnor Griffin, Bubba Chandler, Paul Skenes, Wilton Guerrero Jr., Jeancer Custodio, Seth Hernandez, Alexander Pio and Hyun Seung Lee across different sections. The Boston Red Sox, Chicago White Sox, Detroit Tigers, New York Mets, Philadelphia Phillies, Seattle Mariners, St. Louis Cardinals, Toronto Blue Jays and Washington Nationals also have multiple cards spread throughout the product.

Among the team highlights listed by Topps are:

• Arizona Diamondbacks - Corbin Carroll, Avery Owusu-Asiedu, Erick De La Cruz and Wellington Aracena
• Athletics - Nick Kurtz, Johenssy Colome, Leo De Vries and Ricky Duran
• Atlanta Braves - Ronald Acuña Jr., Alex Lodise and John Gil
• Baltimore Orioles - Samuel Basallo, Gunnar Henderson, Pete Alonso, Pedro Gomez, Ariel Roque and Andri Hidalgo
• Boston Red Sox - Roman Anthony, Dawvris Brito, Garielvin Silverio, Franklin Arias, Payton Tolle and Louis Andujar
• Chicago White Sox - Colson Montgomery, Munetaka Murakami and Caleb Bonemer
• Cincinnati Reds - Chase Burns, Sal Stewart, Elly De La Cruz, Angel Salio, Angel Nunez, Alfredo Duno and Héctor Rodríguez
• Cleveland Guardians - Chase DeLauter, Travis Bazzana and Gustavo Baptista
• Colorado Rockies - Ethan Holliday, Braylen Wimmer, Sebastian Blanco and Wilder Dalis
• Detroit Tigers - Kevin McGonigle, Randy Santana, Manuel Bolivar, Max Clark and Angel De Los Santos
• Houston Astros - Tatsuya Imai, Kevin Alvarez, Randy Arias and Xavier Neyens
• Kansas City Royals - Bobby Witt Jr., Jac Caglianone, Carter Jensen, Jaider Suarez and Angeibel Gomez
• Los Angeles Dodgers - Alex Freeland, Kyle Tucker, Yoshinobu Yamamoto, Shohei Ohtani, Ezequiel Melbourne, Christian Zazueta, Eduardo Quintero and Rubel Arias
• New York Mets - Bo Bichette, Francisco Lindor, Juan Soto, Nolan McLean, Carson Benge, Wandy Asigen, Cleiner Ramirez, Wyatt Vincent and Yunior Amparo
• Philadelphia Phillies - Justin Crawford, Bryce Harper, Francisco Renteria, Dante Nori, Andrew Painter and Aroon Escobar
• Pittsburgh Pirates - Konnor Griffin, Bubba Chandler, Paul Skenes, Wilton Guerrero Jr., Jeancer Custodio, Seth Hernandez, Alexander Pio and Hyun Seung Lee
• Seattle Mariners - Cole Young, Cal Raleigh, Gregory Pio, Juan Rijo, Leonardo Reynoso, Colt Emerson, Yorger Bautista and Lazaro Montes
• St. Louis Cardinals - JJ Wetherholt, Sebastian Dos Santos, Brandon Clarke and Sebastian Dos Santos
• Toronto Blue Jays - Trey Yesavage, Kazuma Okamoto, JoJo Parker and SB-9 JoJo Parker
• Washington Nationals - Samil Serrano, Eli Willits, Nauris De La Cruz, Sir Jamison Jones and Gavin Fien

Because the team lists are built from the main checklist, collectors can use them to track where each player appears across base cards, prospects, autographs, image variations and inserts.

What collectors can expect from the Mega Box format

Bowman Chrome Mega Box has long been a format that mixes familiar Chrome collecting with exclusive parallels and short-print chase cards. The 2026 edition continues that approach with a 100-card overall checklist, a strong rookie class, a prospect-heavy autograph lineup and several insert sets that spotlight some of the most prominent names in the hobby.

With Mojo foil exclusives, numbered Mojo Refractors, image variations and multiple autograph paths, the product gives collectors a broad range of targets without moving away from the core Bowman Chrome identity. For those following the Bowman pipeline, the checklist offers a clear look at the names Topps is positioning as key chase cards for the 2026 season.