Reds Roster & Staff
Transactions
| Date | Transaction |
| 08/31/10 | Cincinnati Reds recalled Aroldis Chapman from Louisville Bats. |
| 08/31/10 | Cincinnati Reds activated RHP Aaron Harang from the 15-day disabled list. |
| 08/31/10 | Cincinnati Reds optioned Edinson Volquez to Dayton Dragons. |
| 08/31/10 | Cincinnati Reds placed LF Laynce Nix on the 15-day disabled list retroactive to August 26, 2010. Sprained left ankle |
| 08/27/10 | Cincinnati Reds recalled 3B Juan Francisco from Louisville Bats. |
| 08/27/10 | Cincinnati Reds placed RHP Mike Leake on the 15-day disabled list retroactive to August 25, 2010. right shoulder fatigue |
| 08/26/10 | LHP Gilbert De La Vara assigned to Carolina Mudcats from Cincinnati Reds. |
| 08/25/10 | Cincinnati Reds signed free agent LHP Gilbert De La Vara to a minor league contract. |
| 08/25/10 | Cincinnati Reds sent RHP Micah Owings outright to Louisville Bats. |
| 08/24/10 | Cincinnati Reds recalled RHP Sam LeCure from Louisville Bats. |
| 08/24/10 | Cincinnati Reds placed CF Jim Edmonds on the 15-day disabled list. Strained right oblique muscle |
| 08/24/10 | Cincinnati Reds optioned Jordan Smith to Louisville Bats. |
| 08/24/10 | Cincinnati Reds recalled 2B Chris Valaika from Louisville Bats. |
| 08/21/10 | Daniel Renken assigned to Dayton Dragons from Cincinnati Reds. |
| 08/21/10 | Abe Woody assigned to Lynchburg Hillcats from Cincinnati Reds. |
| 08/20/10 | Cincinnati Reds signed free agent RHP Abe Woody to a minor league contract. |
| 08/19/10 | Cincinnati Reds optioned Carlos Fisher to Louisville Bats. |
| 08/19/10 | Cincinnati Reds recalled LHP Travis Wood from Louisville Bats. |
| 08/17/10 | Cincinnati Reds designated Micah Owings for assignment. |
| 08/17/10 | C Yasmani Grandal assigned to AZL Reds from Cincinnati Reds. |
| 08/16/10 | Cincinnati Reds signed C Yasmani Grandal. |
| 08/16/10 | Cincinnati Reds signed RHP Daniel Renken. |
| 08/15/10 | Cincinnati Reds activated RHP Homer Bailey from the 15-day disabled list. |
| 08/15/10 | Cincinnati Reds optioned Juan Francisco to Louisville Bats. |
| 08/14/10 | Cincinnati Reds signed RHP Chad Rogers. |
| 08/13/10 | Kyle Waldrop assigned to AZL Reds from Cincinnati Reds. |
| 08/12/10 | Cincinnati Reds signed OF Kyle Waldrop. |
| 08/09/10 | Cincinnati Reds optioned Travis Wood to Louisville Bats. |
| 08/09/10 | Milwaukee Brewers traded CF Jim Edmonds to Cincinnati Reds for LF Chris Dickerson. |
| 08/09/10 | Milwaukee Brewers traded CF Jim Edmonds to Cincinnati Reds for LF Chris Dickerson. |
| 08/07/10 | Cincinnati Reds placed RHP Russ Springer on the 15-day disabled list retroactive to August 5, 2010. Strained left hip. |
| 08/07/10 | Cincinnati Reds recalled Carlos Fisher from Louisville Bats. |
| 08/06/10 | Cleveland Indians claimed 2B Drew Sutton off waivers from Cincinnati Reds. |
| 08/03/10 | Cincinnati Reds recalled Juan Francisco from Louisville Bats. |
| 08/03/10 | Cincinnati Reds placed SS Orlando Cabrera on the 15-day disabled list. Strained left oblique. |
| 08/02/10 | Cincinnati Reds selected the contract of RHP Russ Springer from Louisville Bats. |
| 08/02/10 | Cincinnati Reds optioned Carlos Fisher to Louisville Bats. |