Number 0 - Kellogg's Baseball Cards

Al Oliver wore number 0 for eight years (1978 - 1985).  He's on Kellogg's cards while he had that number in 1981 and 1982.

George Scott wore number 0 at the end of his career in 1979 as a member of the Royals.

--- I'm too busy / lazy to get their photos here today.