11/13 UPDATE:
RHP Jose Rosario (declared an MLB Rule 55 Minor League 6YFA on 11/3) has signed a 2019 minor league contract with the Cubs and was assigned to AAA Iowa. So he will now be one of 72 Cubs minor leaguers who are (at present) eligible for selection in the 2018 Rule 5 Draft on December 13th (see list of Cubs minor leaguers eligible for selection in 2018 Rule 5 Draft below). RHP Corey Black (declared an MLB Rule 55 Minor League 6YFA last Friday) has signed a 2019 minor league contract with the Cubs and was assigned to AAA Iowa.
11/6 UPDATE: