Reds Roster & Staff
Transactions
| Date | Transaction |
| 11/24/09 | Cameron Satterwhite assigned to Billings Mustangs from Cincinnati Reds. |
| 11/23/09 | Cincinnati Reds signed OF Cameron Satterwhite. |
| 11/20/09 | LF Laynce Nix elected free agency. |
| 11/20/09 | Cincinnati Reds selected the contract of Enerio Del Rosario from Louisville Bats. |
| 11/20/09 | Cincinnati Reds selected the contract of Philippe Valiquette from Carolina Mudcats. |
| 11/20/09 | Cincinnati Reds selected the contract of Logan Ondrusek from Louisville Bats. |
| 11/20/09 | Cincinnati Reds selected the contract of Jordan Smith from Carolina Mudcats. |
| 11/20/09 | Cincinnati Reds selected the contract of Chris Heisey from Louisville Bats. |
| 11/20/09 | Cincinnati Reds selected the contract of Chris Valaika from Louisville Bats. |
| 11/20/09 | Cincinnati Reds selected the contract of Travis Wood from Louisville Bats. |
| 11/20/09 | Cincinnati Reds sent Daryl Thompson outright to Louisville Bats. |
| 11/20/09 | Baltimore Orioles claimed Craig Tatum off waivers from Cincinnati Reds. |
| 11/16/09 | Cincinnati Reds activated RHP Edinson Volquez from the 60-day disabled list. |
| 11/16/09 | RHP Kip Wells elected free agency. |
| 11/16/09 | Cincinnati Reds activated RHP Mike Lincoln from the 60-day disabled list. |
| 11/09/09 | Tampa Bay Rays claimed RHP Ramon A. Ramirez off waivers from Cincinnati Reds. |
| 11/09/09 | Cincinnati Reds sent C Wilkin Castillo outright to Louisville Bats. |
| 11/09/09 | Cincinnati Reds signed C Wilkin Castillo. |
| 11/09/09 | Cincinnati Reds signed free agent C Corky Miller to a minor league contract and invited him to spring training. |
| 11/07/09 | Cincinnati Reds invited non-roster RHP Justin Lehr to spring training. |
| 11/06/09 | Cincinnati Reds sent RHP Justin Lehr outright to Louisville Bats. |
| 11/05/09 | Cincinnati Reds sent Corky Miller outright to Louisville Bats. |
| 11/05/09 | Cincinnati Reds sent Darnell McDonald outright to Louisville Bats. |
| 11/04/09 | 3B Danny Richar elected free agency. |
| 11/04/09 | Cincinnati Reds sent Kevin Barker outright to Louisville Bats. |