Cubs Roster & Staff
Transactions
| Date | Transaction |
| 01/31/18 | Chicago Cubs signed free agent OF Efren Navarro to a minor league contract and invited him to spring training. |
| 01/26/18 | Chicago Cubs signed free agent LHP Michael Roth to a minor league contract and invited him to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster C Ali Solis to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster C Ian Rice to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster OF Bijan Rademacher to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster 2B Chesny Young to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster 3B Jason Vosler to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster RHP Justin Hancock to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster RHP David Garner to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster RHP Craig Brooks to spring training. |
| 01/25/18 | Chicago Cubs invited non-roster RHP Thomas Hatch to spring training. |
| 01/22/18 | Chicago Cubs signed free agent C Chris Gimenez to a minor league contract and invited him to spring training. |
| 01/22/18 | Chicago Cubs signed free agent LHP Brian Duensing. |
| 01/09/18 | Chicago Cubs signed free agent LHP Kyle Ryan to a minor league contract and invited him to spring training. |
| 01/08/18 | Chicago Cubs signed free agent LHP Daniel Camarena to a minor league contract and invited him to spring training. |