Royals Roster & Staff
Transactions
| Date | Transaction |
| 08/31/18 | Kansas City Royals traded C Drew Butera and cash to Colorado Rockies for LHP Jerry Vasto. |
| 08/31/18 | Kansas City Royals recalled C Cam Gallagher from Omaha Storm Chasers. |
| 08/31/18 | Kansas City Royals traded C Drew Butera and cash to Colorado Rockies for LHP Jerry Vasto. |
| 08/30/18 | Kansas City Royals activated CF Brian Goodwin from the 10-day injured list. |
| 08/29/18 | Kansas City Royals sent RHP Ian Kennedy on a rehab assignment to Omaha Storm Chasers. |
| 08/29/18 | Kansas City Royals traded 1B Lucas Duda to Atlanta Braves for cash. |
| 08/27/18 | Kansas City Royals sent RF Jorge Soler on a rehab assignment to Omaha Storm Chasers. |
| 08/26/18 | Kansas City Royals signed free agent OF Darryl Collins to a minor league contract. |
| 08/24/18 | Kansas City Royals signed free agent RHP Woo-Young Jin to a minor league contract. |
| 08/23/18 | Kansas City Royals optioned RHP Glenn Sparkman to Omaha Storm Chasers. |
| 08/23/18 | Kansas City Royals activated LHP Danny Duffy from the 10-day injured list. |
| 08/18/18 | Kansas City Royals selected the contract of Jake Newberry from Omaha Storm Chasers. |
| 08/18/18 | Kansas City Royals optioned RHP Jason Adam to Omaha Storm Chasers. |
| 08/17/18 | Kansas City Royals signed free agent C Omar Hernandez to a minor league contract. |
| 08/16/18 | Kansas City Royals sent CF Brian Goodwin on a rehab assignment to Omaha Storm Chasers. |
| 08/16/18 | Kansas City Royals traded RHP Kelvin Gonzalez to Texas Rangers for Future Considerations. |
| 08/15/18 | Kansas City Royals traded LF Terrance Gore to Chicago Cubs for cash. |
| 08/15/18 | Kansas City Royals released RHP Blaine Boyer. |
| 08/15/18 | Kansas City Royals recalled RHP Jorge Lopez from Omaha Storm Chasers. |
| 08/13/18 | Kansas City Royals placed LHP Danny Duffy on the 10-day disabled list. Left shoulder impingement. |
| 08/13/18 | Kansas City Royals recalled Glenn Sparkman from Omaha Storm Chasers. |
| 08/12/18 | Kansas City Royals optioned RHP Glenn Sparkman to Omaha Storm Chasers. |
| 08/12/18 | Kansas City Royals transferred RF Jorge Soler from the 10-day disabled list to the 60-day disabled list. Left toe fracture. |
| 08/12/18 | Kansas City Royals activated RHP Blaine Boyer from the 60-day disabled list. |
| 08/07/18 | Milwaukee Brewers traded RHP Jon Perrin to Kansas City Royals for RHP Sal Biasi. |
| 08/07/18 | Milwaukee Brewers traded RHP Jon Perrin to Kansas City Royals for RHP Sal Biasi. |
| 08/07/18 | Kansas City Royals sent RHP Jesse Hahn on a rehab assignment to Omaha Storm Chasers. |
| 08/02/18 | Kansas City Royals sent LHP Eric Skoglund on a rehab assignment to Omaha Storm Chasers. |
| 08/01/18 | Kansas City Royals sent RHP Blaine Boyer on a rehab assignment to Omaha Storm Chasers. |