Royals Roster & Staff
Transactions
| Date | Transaction |
| 12/31/10 | Kansas City Royals signed free agent RHP Zach Miner to a minor league contract and invited him to spring training. |
| 12/22/10 | Kansas City Royals sent 2B Joaquin Arias outright to Omaha Royals. |
| 12/22/10 | Kansas City Royals sent SS Lance Zawadzki outright to Omaha Royals. |
| 12/19/10 | Kansas City Royals designated Joaquin Arias for assignment. |
| 12/19/10 | Milwaukee Brewers Traded SS Alcides Escobar, RHP Jeremy Jeffress and CF Lorenzo Cain to Kansas City Royals; Kansas City Royals Traded SS Yuniesky Betancourt and RHP Zack Greinke to Milwaukee Brewers and Wisconsin Timber Rattlers Traded RHP Jake Odorizzi to Kane County Cougars. |
| 12/19/10 | Milwaukee Brewers Traded SS Alcides Escobar, RHP Jeremy Jeffress and CF Lorenzo Cain to Kansas City Royals; Kansas City Royals Traded SS Yuniesky Betancourt and RHP Zack Greinke to Milwaukee Brewers and Wisconsin Timber Rattlers Traded RHP Jake Odorizzi to Kane County Cougars. |
| 12/19/10 | Milwaukee Brewers Traded SS Alcides Escobar, RHP Jeremy Jeffress and CF Lorenzo Cain to Kansas City Royals; Kansas City Royals Traded SS Yuniesky Betancourt and RHP Zack Greinke to Milwaukee Brewers and Wisconsin Timber Rattlers Traded RHP Jake Odorizzi to Kane County Cougars. |
| 12/19/10 | Milwaukee Brewers Traded SS Alcides Escobar, RHP Jeremy Jeffress and CF Lorenzo Cain to Kansas City Royals; Kansas City Royals Traded SS Yuniesky Betancourt and RHP Zack Greinke to Milwaukee Brewers and Wisconsin Timber Rattlers Traded RHP Jake Odorizzi to Kane County Cougars. |
| 12/19/10 | Milwaukee Brewers Traded SS Alcides Escobar, RHP Jeremy Jeffress and CF Lorenzo Cain to Kansas City Royals; Kansas City Royals Traded SS Yuniesky Betancourt and RHP Zack Greinke to Milwaukee Brewers and Wisconsin Timber Rattlers Traded RHP Jake Odorizzi to Kane County Cougars. |
| 12/17/10 | Kansas City Royals designated Lance Zawadzki for assignment. |
| 12/17/10 | Oakland Athletics claimed RHP Philip Humber off waivers from Kansas City Royals. |
| 12/15/10 | Kansas City Royals designated Philip Humber for assignment. |
| 12/10/10 | Kansas City Royals signed free agent Melky Cabrera. |
| 12/09/10 | Kansas City Royals claimed Nate Adcock off waivers from Bradenton Marauders. |
| 12/08/10 | Kansas City Royals signed free agent RF Jeff Francoeur. |
| 12/02/10 | 3B Josh Fields elected free agency. |