Topps Baseball Cards - The Official 1990 Complete Set The 1990 Topps set contains 792 standard-size cards. Card fronts feature various colored borders with the player's name at the bottom and team name at top. Subsets include All-Stars (385-407), Turn Back the Clock (661-665) and Draft Picks (scattered throughout the set). The key Rookie Cards in this set are Juan Gonzalez, Marquis Grissom, Sammy Sosa, Frank Thomas, Larry Walker and Bernie Williams.