Details are emerging about a Topps Chrome Sapphire checklist for a sports league, with some outlets reporting it is for the 2024 MLS season, while others suggest different years or sports, including 2025, 2021, 2023, and possibly football or baseball. The specific year and sport of the Topps Chrome Sapphire checklist are unclear. A checklist and team set lists are reportedly available, with some outlets also mentioning a different Topps product, Topps Finest.