2021 Topps Triple Threads Baseball Checklist

2021 Topps Triple Threads Baseball reaches 1,960 cards and pushes even harder into relic combinations, with 977 relic cards and 616 autograph relics carrying most of the checklist weight. A 100-card base set and 221 insert subsets provide the framework, while 46 standalone autographs and 156 rookie appearances fill out the signed side. The heavy reliance on multi-player relic formats makes this one of the most memorabilia-centric Triple Threads editions.