The 1991 Score set contains 893 standard-size cards issued in two separate series of 441 and 452 cards each. This set marks the fourth consecutive year that Score issued a major set but the first time Score issued the set in two series. The card fronts feature one of four different solid color borders (black, blue, teal and white) framing the full-color photo of the cards. Subsets include Rookie Prospects (331-379), First Draft Picks (380-391, 671-682), AL All-Stars (392-401), Master Blasters (402-406, 689-693), K-Men (407-411, 684-688), Rifleman (412-416, 694-698), NL All-Stars (661-670), No-Hitters (699-707), Franchise (849-874), Award Winners (875-881) and Dream Team (882-893). An American Flag card (737) was issued to honor the American soldiers involved in Desert Storm. Rookie Cards in the set include Carl Everett, Jeff Conine, Chipper Jones, Mike Mussina and Rondell White.