2026 Leaf Pro Set Metal Baseball Jumbo Box delivers an even bigger breaking experience packed with premium metal technology, top prospects, and a loaded lineup of autograph content. Featuring an expanded format with more cards, more parallels, and more chances at rare hits, this jumbo edition showcases baseball’s future stars with the vibrant chromium-style finishes and bold designs collectors love from Pro Set Metal.
Look for top young stars featured on the iconic 1989 and 1990 Pro Set design, look for Mini 1989 and 1990 versions as well!
Look for exciting new themes and inserts featuring tomorrow’s legends and yesterday’s heroes!
Look for beautifully designed die cuts that not only enhances value, but also collectibility!
These Red, White, and Blue Pro Set 1989, and Pro Set 1990 cards fall exclusively in jumbo cases!
Look for the following names falling 4 to 5 signatures per case: Eli Willits, Jesús Made, Justin Lebron, Kevin McGonigle, Konnor Griffin, Leo De Vries, Nick Kurtz, Roch Cholowsky, Travis Bazzana, Trey Yesavage, Jackson Flora!