Reds Roster & Staff
Transactions
| Date | Transaction |
| 11/27/17 | Cincinnati Reds claimed LHP Kyle Crockett off waivers from Cleveland Indians. |
| 11/20/17 | Cincinnati Reds signed free agent LHP Victor Payano to a minor league contract. |
| 11/20/17 | Cincinnati Reds selected the contract of Jose Lopez from Pensacola Blue Wahoos. |
| 11/20/17 | Cincinnati Reds selected the contract of Zack Weiss from Pensacola Blue Wahoos. |
| 11/20/17 | Cincinnati Reds selected the contract of Alex Blandino from Louisville Bats. |
| 11/20/17 | Cincinnati Reds selected the contract of Shed Long from Pensacola Blue Wahoos. |
| 11/20/17 | Cincinnati Reds selected the contract of Jesus Reyes from Pensacola Blue Wahoos. |
| 11/20/17 | Cincinnati Reds selected the contract of Jose Siri from Dayton Dragons. |
| 11/17/17 | Cincinnati Reds signed free agent CF Mason Williams to a minor league contract and invited him to spring training. |
| 11/17/17 | Cincinnati Reds signed free agent OF Patrick Kivlehan to a minor league contract and invited him to spring training. |
| 11/17/17 | Cincinnati Reds signed free agent LF Rosell Herrera to a minor league contract and invited him to spring training. |
| 11/13/17 | Cincinnati Reds signed free agent LHP Joe Mantiply to a minor league contract and invited him to spring training. |
| 11/08/17 | Cincinnati Reds signed free agent RHP Eduardo Rivera to a minor league contract. |
| 11/03/17 | Miami Marlins claimed Chad Wallach off waivers from Cincinnati Reds. |
| 11/03/17 | Cincinnati Reds sent RHP Deck McGuire outright to Louisville Bats. |
| 11/03/17 | Cincinnati Reds activated LHP Brandon Finnegan from the 60-day disabled list. |
| 11/03/17 | Seattle Mariners claimed SS Zach Vincej off waivers from Cincinnati Reds. |
| 11/03/17 | Cincinnati Reds sent RF Patrick Kivlehan outright to Louisville Bats. |
| 11/03/17 | Cincinnati Reds activated RHP Anthony DeSclafani from the 60-day disabled list. |
| 11/02/17 | RHP Drew Storen elected free agency. |
| 11/02/17 | SS Zack Cozart elected free agency. |
| 11/02/17 | RHP Bronson Arroyo elected free agency. |
| 11/02/17 | RHP Scott Feldman elected free agency. |