As things stand right now....
PROJECTED CUBS POST-2019 WORLD SERIES MLB RESERVE LIST:
32 players (plus probably at least four minor league 6YFA and/or Rule 5 Draft eligible players -- see below)
* bats or throws left
# bats both
PITCHERS: 17
Adbert Alzolay (auto-renewal - will have one minor league option left in 2020)
NOTE: Alzolay is a Rule 55 player so he cannot be sent outright to minors after 5 PM Eastern on 5th day after final game of World Series or until he signs 2020 contract
Tyler Chatwood ($13M in 2020 then free-agent post-2020)
Yu Darvish ($84M 2020-23 but can opt-out with no termination pay after 2020 World Series - Cubs will extended an Article XX-B Qualifying Offer if Darvish opts-out)
NOTE: Darvish full "no trade" expires after World Series and then he has partial "no trade" (must designate 12 clubs to which he cannot be traded) - also, salary escalates $2M per season if he wins Cy Young Award or $1M per season if #2-5 in Cy Young
Kendall Graveman ($3M 2020 club option - will have one minor league option left in 2020)
NOTE: Graveman must be released or non-tendered if 2020 club option is declined
Kyle Hendricks ($54M 2020-23 plus $16M vesting option in 2024 if Top 3 Cy Young in 2020 or else $16M 2024 club option with $1.