A place for discussing the Rookies of the Year for each league.
"A player shall be considered a rookie unless, during a previous season or seasons, he has (a) exceeded 130 at-bats or 50 innings pitched in the major leagues; or (b) accumulated more than 45 days on the active roster of a major league club or clubs during the period of a 25-player limt (excluding time in the military service)."
https://www.battersbox.ca/article.php?story=20030922091055999