Cubs Roster & Staff
Transactions
| Date | Transaction |
| 07/31/13 | Chicago Cubs optioned Jake Arrieta to Iowa Cubs. |
| 07/30/13 | Chicago Cubs recalled Jake Arrieta from Iowa Cubs. |
| 07/29/13 | Chicago Cubs sent RHP Scott Baker on a rehab assignment to Daytona Cubs. |
| 07/26/13 | Chicago Cubs traded cash and LF Alfonso Soriano to New York Yankees for RHP Corey Black. |
| 07/26/13 | Chicago Cubs traded RHP Guillermo Moscoso to San Francisco Giants. |
| 07/26/13 | Chicago Cubs traded cash and LF Alfonso Soriano to New York Yankees for RHP Corey Black. |
| 07/26/13 | Chicago Cubs selected the contract of Eduardo Sanchez from Iowa Cubs. |
| 07/25/13 | Chicago Cubs signed free agent RHP Jen-Ho Tseng to a minor league contract. |
| 07/24/13 | Chicago Cubs optioned Mike Olt to Iowa Cubs. |
| 07/24/13 | David DeJesus roster status changed by Chicago Cubs. |
| 07/24/13 | Chicago Cubs optioned LF Dave Sappelt to Iowa Cubs. |
| 07/23/13 | Chicago Cubs optioned Justin Grimm to Iowa Cubs. |
| 07/22/13 | Chicago Cubs recalled Chris Rusin from Iowa Cubs. |
| 07/22/13 | Chicago Cubs signed free agent LHP Al Yevoli to a minor league contract. |
| 07/22/13 | Chicago Cubs traded RHP Matt Garza to Texas Rangers for RHP C.J. Edwards, RHP Justin Grimm, 1B Mike Olt and Player To Be Named Later. |
| 07/22/13 | Chicago Cubs traded RHP Matt Garza to Texas Rangers for RHP C.J. Edwards, RHP Justin Grimm, 1B Mike Olt and Player To Be Named Later. |
| 07/22/13 | Chicago Cubs traded RHP Matt Garza to Texas Rangers for RHP C.J. Edwards, RHP Justin Grimm, 1B Mike Olt and Player To Be Named Later. |
| 07/22/13 | Chicago Cubs traded RHP Matt Garza to Texas Rangers for RHP C.J. Edwards, RHP Justin Grimm, 1B Mike Olt and Player To Be Named Later. |
| 07/20/13 | Chicago Cubs sent CF David DeJesus on a rehab assignment to AZL Cubs. |
| 07/20/13 | David DeJesus roster status changed by AZL Cubs. |
| 07/19/13 | Chicago Cubs recalled Junior Lake from Iowa Cubs. |
| 07/19/13 | Chicago Cubs placed LF Brian Bogusevic on the 15-day disabled list retroactive to July 15, 2013. Left hamstring strain. |
| 07/19/13 | Chicago Cubs sent RHP Henry Alberto Rodriguez outright to Iowa Cubs. |
| 07/14/13 | Chicago Cubs sent RHP Scott Baker on a rehab assignment to Kane County Cougars. |
| 07/14/13 | Chicago Cubs activated LF Cole Gillespie. |
| 07/14/13 | Chicago Cubs designated Henry Alberto Rodriguez for assignment. |
| 07/13/13 | Chicago Cubs claimed LF Cole Gillespie off waivers from San Francisco Giants. |
| 07/12/13 | Chicago Cubs signed 3B Kris Bryant. |
| 07/12/13 | Chicago Cubs signed RHP Brad Renner. |
| 07/12/13 | Chicago Cubs signed RHP Trevor Clifton. |
| 07/12/13 | Chicago Cubs signed C Tyler Alamo. |
| 07/12/13 | Chicago Cubs signed C Will Remillard. |
| 07/11/13 | Chicago Cubs optioned Brooks Raley to Iowa Cubs. |
| 07/11/13 | Chicago Cubs selected the contract of RHP Michael Bowden from Iowa Cubs. |
| 07/10/13 | Chicago Cubs signed free agent 2B Edgar Gonzalez to a minor league contract. |
| 07/08/13 | Chicago Cubs traded LF Scott Hairston to Washington Nationals for RHP Ivan Pineyro. |
| 07/08/13 | Chicago Cubs traded LF Scott Hairston to Washington Nationals for RHP Ivan Pineyro. |
| 07/08/13 | Chicago Cubs recalled Brooks Raley from Iowa Cubs. |
| 07/07/13 | Chicago Cubs released RHP Shawn Camp. |
| 07/06/13 | Chicago Cubs signed OF Robert Garcia. |
| 07/06/13 | Chicago Cubs signed IF Trevor Stevens. |
| 07/06/13 | Chicago Cubs signed LHP Sam Wilson. |
| 07/04/13 | Chicago Cubs signed free agent 3B Nate Samson to a minor league contract. |
| 07/03/13 | Chicago Cubs designated RHP Shawn Camp for assignment. |
| 07/03/13 | Chicago Cubs optioned Chris Rusin to Iowa Cubs. |
| 07/03/13 | Chicago Cubs activated RHP Pedro Strop. |
| 07/03/13 | Chicago Cubs activated RHP Matt Guerrier. |
| 07/02/13 | Chicago Cubs traded RHP Carlos Marmol to Los Angeles Dodgers for RHP Matt Guerrier. |
| 07/02/13 | Chicago Cubs signed free agent Jeferson Mejia. |
| 07/02/13 | Chicago Cubs traded RHP Carlos Marmol to Los Angeles Dodgers for RHP Matt Guerrier. |
| 07/02/13 | Chicago Cubs recalled Dave Sappelt from Iowa Cubs. |
| 07/02/13 | Chicago Cubs optioned Jake Arrieta to Iowa Cubs. |
| 07/02/13 | Chicago Cubs optioned Jake Arrieta to Iowa Cubs. |
| 07/02/13 | Chicago Cubs traded 2B Ronald Torreyes to Houston Astros. |
| 07/02/13 | Chicago Cubs recalled Chris Rusin from Iowa Cubs. |
| 07/02/13 | Chicago Cubs signed C Yohan Matos. |
| 07/02/13 | Chicago Cubs traded RHP Scott Feldman and C Steve Clevenger to Baltimore Orioles for RHP Jake Arrieta and RHP Pedro Strop. |
| 07/02/13 | Chicago Cubs traded RHP Scott Feldman and C Steve Clevenger to Baltimore Orioles for RHP Jake Arrieta and RHP Pedro Strop. |
| 07/02/13 | Chicago Cubs traded RHP Scott Feldman and C Steve Clevenger to Baltimore Orioles for RHP Jake Arrieta and RHP Pedro Strop. |
| 07/02/13 | Chicago Cubs traded RHP Scott Feldman and C Steve Clevenger to Baltimore Orioles for RHP Jake Arrieta and RHP Pedro Strop. |
| 07/02/13 | Chicago Cubs signed free agent RHP Erling Moreno to a minor league contract. |
| 07/02/13 | Chicago Cubs signed free agent SS Gleyber Torres to a minor league contract. |
| 07/01/13 | Chicago Cubs signed RHP Michael Wagner. |