0 a trading card with a picture of a sports player on it and information about his or her first year of playing on the back, which is the first card ever produced of that player at the beginning of his or her career, and is considered very valuable if the player later becomes famous -- （运动员）新秀卡
Jordan never signed a rookie card, which makes this a rare piece of sports history.
For the first time, collectors focused on rookie cards instead of sets.
