Cubs Roster & Staff
Transactions
| Date | Transaction |
| 06/30/13 | Chicago Cubs signed OF Charcer Burks. |
| 06/30/13 | Chicago Cubs placed RF Ryan Sweeney on the 60-day disabled list. Fractured left rib. |
| 06/28/13 | Chicago Cubs optioned C Steve Clevenger to Iowa Cubs. |
| 06/28/13 | Zach Putnam roster status changed by Chicago Cubs. |
| 06/27/13 | Chicago Cubs signed RHP Tyler Skulina. |
| 06/25/13 | Chicago Cubs designated Carlos Marmol for assignment. |
| 06/25/13 | Chicago Cubs selected the contract of LF Brian Bogusevic from Iowa Cubs. |
| 06/22/13 | Chicago Cubs signed RHP Scott Frazier. |
| 06/21/13 | Chicago Cubs signed RHP Trevor Graham. |
| 06/21/13 | Chicago Cubs traded 2B Brent Lillibridge to New York Yankees. |
| 06/20/13 | Chicago Cubs signed OF Jacob Hannemann. |
| 06/20/13 | Chicago Cubs signed RHP David Garner. |
| 06/20/13 | Chicago Cubs signed 1B Kelvin Freeman. |
| 06/20/13 | Chicago Cubs signed free agent RHP Josh Davis to a minor league contract. |
| 06/20/13 | Chicago Cubs signed free agent RHP Juan Francisco to a minor league contract. |
| 06/19/13 | Chicago Cubs signed RHP Trey Masek. |
| 06/19/13 | Chicago Cubs signed IF Jesse Hodges. |
| 06/19/13 | Chicago Cubs signed 2B Jordan Hankins. |
| 06/19/13 | Chicago Cubs signed free agent LHP David Villegas to a minor league contract. |
| 06/18/13 | Chicago Cubs signed 2B Zak Blair. |
| 06/18/13 | Chicago Cubs signed LF Kevin Brown. |
| 06/18/13 | Chicago Cubs signed C Cael Brockmeyer. |
| 06/18/13 | Chicago Cubs signed Zack Godley. |
| 06/18/13 | Chicago Cubs signed LHP Rob Zastryzny. |
| 06/18/13 | Chicago Cubs signed SS Giuseppe Papaccio. |
| 06/18/13 | Chicago Cubs signed LHP Tyler Ihrig. |
| 06/18/13 | Chicago Cubs signed RHP Zak Hermans. |
| 06/15/13 | Chicago Cubs activated RHP Shawn Camp from the 15-day disabled list. |
| 06/14/13 | Chicago Cubs activated RHP Henry Alberto Rodriguez. |
| 06/14/13 | Chicago Cubs sent Eduardo Sanchez outright to Iowa Cubs. |
| 06/14/13 | Chicago Cubs optioned Brooks Raley to Iowa Cubs. |
| 06/12/13 | Chicago Cubs placed RHP Zach Putnam on the 15-day disabled list. Right elbow soreness. |
| 06/12/13 | Chicago Cubs recalled Brooks Raley from Iowa Cubs. |
| 06/12/13 | Chicago Cubs designated Eduardo Sanchez for assignment. |
| 06/12/13 | Washington Nationals traded RHP Henry Alberto Rodriguez to Chicago Cubs for RHP Ian Dickson and RHP Ian Dickson. |
| 06/12/13 | Washington Nationals traded RHP Henry Alberto Rodriguez to Chicago Cubs for RHP Ian Dickson and RHP Ian Dickson. |
| 06/11/13 | Chicago Cubs sent RHP Shawn Camp on a rehab assignment to Kane County Cougars. |
| 06/04/13 | Chicago Cubs signed free agent RHP Enrique De Los Rio to a minor league contract. |
| 06/04/13 | Chicago Cubs signed free agent RHP Salvador Jerez to a minor league contract. |
| 06/03/13 | Chicago Cubs sent RHP Alex Burnett outright to Iowa Cubs. |
| 06/03/13 | Chicago Cubs sent C Steve Clevenger on a rehab assignment to Iowa Cubs. |
| 06/01/13 | Chicago Cubs selected the contract of Blake Parker from Iowa Cubs. |
| 06/01/13 | Chicago Cubs designated Alex Burnett for assignment. |
| 06/01/13 | Chicago Cubs placed RHP Rafael Dolis on the 15-day disabled list retroactive to May 27, 2013. Mild right forearm strain. |