Ключевые слова: bag, ball, ball player, ballpark, baseball, baseball field, baseball team, change, change of offense, club activity, during a game, fielder, game, ground, hardball, high school ball player, high school baseball, high school student, image, maintenance, mound, mound plate, pitch, pitcher, pitcher mound, plate, pregame, rosin, softball, stadium, summer, umpire, umpires, white ball, youth, youth baseball,