Reds Roster & Staff
Transactions
| Date | Transaction |
| 08/17/26 | Cincinnati Reds designated LHP Kent Emanuel for assignment. |
| 08/17/26 | Cincinnati Reds designated RHP Ron Marinaccio for assignment. |
| 08/17/26 | Cincinnati Reds recalled RHP Zach McCambley from Louisville Bats. |
| 08/17/26 | Cincinnati Reds selected the contract of LHP Kent Emanuel from Louisville Bats. |
| 08/17/26 | Cincinnati Reds recalled RHP Zach Maxwell from Louisville Bats. |
| 08/14/26 | Cincinnati Reds sent RHP Tony Santillan on a rehab assignment to Louisville Bats. |
| 08/14/26 | Cincinnati Reds sent RHP Tony Santillan on a rehab assignment to Louisville Bats. |
| 08/11/26 | Cincinnati Reds transferred RHP Hunter Greene from the 15-day injured list to the 60-day injured list. Right elbow soreness. |
| 08/11/26 | Cincinnati Reds activated LHP Nick Lodolo from the 15-day injured list. |
| 08/11/26 | Cincinnati Reds optioned RHP Zach McCambley to Louisville Bats. ny. |
| 08/11/26 | Cincinnati Reds selected the contract of 1B Michael Toglia from Louisville Bats. |
| 08/10/26 | Cincinnati Reds optioned 2B Ivan Johnson to Louisville Bats. |
| 08/08/26 | Cincinnati Reds activated RHP Ron Marinaccio. |
| 08/08/26 | Cincinnati Reds optioned RHP Chase Petty to Louisville Bats. |
| 08/07/26 | Cincinnati Reds signed free agent LHP Kent Emanuel to a minor league contract. |
| 08/06/26 | Cincinnati Reds sent LHP Brandon Williamson on a rehab assignment to Louisville Bats. |
| 08/06/26 | Cincinnati Reds sent LHP Brandon Williamson on a rehab assignment to Louisville Bats. |
| 08/06/26 | Cincinnati Reds transferred CF Blake Dunn from the 10-day injured list to the 60-day injured list. Right elbow sprain. |
| 08/06/26 | Cincinnati Reds sent LHP Brandon Williamson on a rehab assignment to Louisville Bats. |
| 08/06/26 | Cincinnati Reds optioned RHP Chase Solesky to Louisville Bats. |
| 08/06/26 | Cincinnati Reds acquired LHP Kent Emanuel from the High Point Rockers of the Atlantic League. |
| 08/06/26 | Cincinnati Reds claimed RHP Ron Marinaccio off waivers from Pittsburgh Pirates. |
| 08/06/26 | Cincinnati Reds claimed RHP Chase Solesky off waivers from Tampa Bay Rays. |
| 08/05/26 | Cincinnati Reds sent LHP Nick Lodolo on a rehab assignment to Louisville Bats. |
| 08/05/26 | Cincinnati Reds sent LHP Nick Lodolo on a rehab assignment to Louisville Bats. |
| 08/05/26 | Cincinnati Reds sent LHP Nick Lodolo on a rehab assignment to Louisville Bats. |
| 08/05/26 | Cincinnati Reds placed RHP Hunter Greene on the 15-day injured list retroactive to August 2, 2026. Right elbow soreness. |
| 08/05/26 | Cincinnati Reds recalled RHP Luis Mey from Louisville Bats. |
| 08/04/26 | Cincinnati Reds recalled LF Héctor Rodríguez from Louisville Bats. |
| 08/03/26 | Cincinnati Reds optioned 2B Juan Brito to Louisville Bats. |
| 08/03/26 | Cincinnati Reds traded LHP Caleb Ferguson to St. Louis Cardinals for Other Considerations. |
| 08/03/26 | Cincinnati Reds traded DH Nathaniel Lowe and cash to Cleveland Guardians for RHP Alejandro Rivera and 2B Juan Brito. |
| 08/03/26 | Cincinnati Reds traded DH Nathaniel Lowe and cash to Cleveland Guardians for RHP Alejandro Rivera and 2B Juan Brito. |
| 08/03/26 | Cincinnati Reds traded DH Nathaniel Lowe and cash to Cleveland Guardians for RHP Alejandro Rivera and 2B Juan Brito. |
| 08/03/26 | Cincinnati Reds recalled RHP Chase Petty from Louisville Bats. |
| 08/01/26 | Cincinnati Reds sent LHP Brandon Williamson on a rehab assignment to Chattanooga Lookouts. |
| 08/01/26 | Cincinnati Reds sent LHP Brandon Williamson on a rehab assignment to Chattanooga Lookouts. |