2026 Leaf Metal Baseball Jumbo Hobby Box | Columbia Sports Cards

2026 Leaf Metal Baseball Jumbo Hobby Box delivers an ultra-premium, autograph-loaded experience featuring top prospects, legends, and bold metal card designs.

This Jumbo format increases hit volume significantly, making it one of the most exciting options for collectors and breakers chasing high-end autograph content.

📦 Box Configuration

• 17 Cards per Box

🔥 Box Break (On Average)

• 8 Autographs
• 1 On-Card Autograph

⭐ Product Highlights

• One of the most autograph-heavy baseball products available
• Includes at least one on-card metal signature per box
• Features a mix of top prospects and legendary players
• Premium metal card designs with vibrant finishes

⚾ Chase Content

• Metal X Signatures debuting in 2026
• Tritanium multi-autograph cards
• Duo Chrome dual autograph cards
• Armed and Dangerous inserts featuring elite pitchers
• Draft Dreams and Explode Onto The Scene inserts

🔥 Insert & Design Features

• Die-cut inserts with bold, unique shapes
• Multiple parallel variations across insert sets
• Premium metal finishes throughout the product

🌟 Top Prospects to Chase

• Nick Kurtz, Konnor Griffin, Kevin McGonigle
• Roch Cholowsky, Trey Yesavage
• Eli Willits, Jacob Lombard
• Justin Lebron, Jesus Made

💎 Why Jumbo?

• Higher autograph count than standard hobby boxes
• Ideal for premium breaks and high-end collectors
• Strong value with multiple signatures per box
• Great for prospect-focused investing and flipping

2026 Leaf Metal Baseball Jumbo Hobby Box is built for collectors chasing maximum autograph content and top-tier prospect cards in a premium format.