The 2026 MLB Topps Series 1 Baseball Complete Set includes a total of 350 trading cards featuring players from the Major League Baseball (MLB). This set, manufactured by Topps, includes cards of popular athletes like Shohei Ohtani and Roman Anthony, as well as cards from teams such as the Boston Red Sox, New York Yankees, and Los Angeles Dodgers. Each card is part of the base set and is an original licensed reprint, offering fans and collectors a comprehensive collection of baseball trading cards for the 2026 season.