Abstract: A baseball score keeping device including a housing having a generally kidney-shaped configuration defined by a top wall, a bottom wall, and a surrounding side wall. The housing is sized to fit comfortably within a person's hand. The top wall has a plurality of windows formed therein. The windows have corresponding function labels. The function labels relate to the game of baseball. The side wall has a plurality of openings therein corresponding with the windows. A plurality of wheels are rotatably disposed within the openings in the surrounding side wall of the housing. The wheels have an upper surface, a lower surface, and a peripheral side wall. The peripheral side wall is knurled. The upper surface has a series of escalating numbers disposed thereon inwardly of the peripheral side wall. The numbers are individually viewable within the windows of the housing.