Rays Roster & Staff
Transactions
| Date | Transaction |
| 02/28/18 | 2B Miles Mastrobuoni assigned to Tampa Bay Rays. |
| 02/28/18 | C Roberto Alvarez assigned to Tampa Bay Rays. |
| 02/27/18 | C Ronaldo Hernandez assigned to Tampa Bay Rays. |
| 02/24/18 | OF Thomas Milone assigned to Tampa Bay Rays. |
| 02/23/18 | OF Jake Stone assigned to Tampa Bay Rays. |
| 02/23/18 | 1B Brandon Lowe assigned to Tampa Bay Rays. |
| 02/23/18 | OF Nathan Lukes assigned to Tampa Bay Rays. |
| 02/23/18 | RHP Reece Karalus assigned to Tampa Bay Rays. |
| 02/23/18 | LHP Brock Burke assigned to Tampa Bay Rays. |
| 02/23/18 | OF David Olmedo-Barrera assigned to Tampa Bay Rays. |
| 02/23/18 | OF Ryan Boldt assigned to Tampa Bay Rays. |
| 02/23/18 | RHP Brandon Lawson assigned to Tampa Bay Rays. |
| 02/23/18 | 3B Peter Maris assigned to Tampa Bay Rays. |
| 02/23/18 | C Mac James assigned to Tampa Bay Rays. |
| 02/23/18 | RHP Mike Franco assigned to Tampa Bay Rays. |
| 02/23/18 | LHP Jordan Harrison assigned to Tampa Bay Rays. |
| 02/23/18 | 3B Kevin Padlo assigned to Tampa Bay Rays. |
| 02/23/18 | CF Carl Chester assigned to Tampa Bay Rays. |
| 02/23/18 | 1B Dalton Kelly assigned to Tampa Bay Rays. |
| 02/23/18 | 3B Michael Russell assigned to Tampa Bay Rays. |
| 02/23/18 | LF Jesus Sanchez assigned to Tampa Bay Rays. |
| 02/22/18 | Tampa Bay Rays traded LF Corey Dickerson to Pittsburgh Pirates for RHP Daniel Hudson, 2B Tristan Gray and cash. |
| 02/22/18 | Tampa Bay Rays traded LF Corey Dickerson to Pittsburgh Pirates for RHP Daniel Hudson, 2B Tristan Gray and cash. |
| 02/22/18 | Tampa Bay Rays traded LF Corey Dickerson to Pittsburgh Pirates for RHP Daniel Hudson, 2B Tristan Gray and cash. |
| 02/20/18 | 2B Nick Solak roster status changed by Tampa Bay Rays. |
| 02/20/18 | Arizona Diamondbacks Traded 3B Brandon Drury to New York Yankees; New York Yankees Traded Taylor Widener to Arizona Diamondbacks; New York Yankees Traded Nick Solak to Tampa Bay Rays; Tampa Bay Rays Traded RF Steven Souza Jr. to Arizona Diamondbacks and Arizona Diamondbacks Traded LHP Anthony Banda and Player To Be Named Later to Tampa Bay Rays. |
| 02/20/18 | Arizona Diamondbacks Traded 3B Brandon Drury to New York Yankees; New York Yankees Traded Taylor Widener to Arizona Diamondbacks; New York Yankees Traded Nick Solak to Tampa Bay Rays; Tampa Bay Rays Traded RF Steven Souza Jr. to Arizona Diamondbacks and Arizona Diamondbacks Traded LHP Anthony Banda and Player To Be Named Later to Tampa Bay Rays. |
| 02/20/18 | Arizona Diamondbacks Traded 3B Brandon Drury to New York Yankees; New York Yankees Traded Taylor Widener to Arizona Diamondbacks; New York Yankees Traded Nick Solak to Tampa Bay Rays; Tampa Bay Rays Traded RF Steven Souza Jr. to Arizona Diamondbacks and Arizona Diamondbacks Traded LHP Anthony Banda and Player To Be Named Later to Tampa Bay Rays. |
| 02/18/18 | Tampa Bay Rays invited non-roster C Brett Sullivan to spring training. |
| 02/18/18 | Daniel Robertson changed number to 28. |
| 02/18/18 | Tampa Bay Rays invited non-roster SS Andrew Velazquez to spring training. |
| 02/18/18 | Ryne Stanek changed number to . |
| 02/18/18 | Tampa Bay Rays invited non-roster RHP Edwin Fierro to spring training. |
| 02/18/18 | Tampa Bay Rays invited non-roster 3B Grant Kay to spring training. |
| 02/18/18 | Tampa Bay Rays invited non-roster SS Jake Cronenworth to spring training. |
| 02/17/18 | Tampa Bay Rays traded RHP Jake Odorizzi to Minnesota Twins for SS Jermaine Palacios. |
| 02/17/18 | Los Angeles Angels traded 1B C.J. Cron to Tampa Bay Rays for Player To Be Named Later. |
| 02/17/18 | Tampa Bay Rays designated LF Corey Dickerson for assignment. |
| 02/17/18 | Tampa Bay Rays traded RHP Jake Odorizzi to Minnesota Twins for SS Jermaine Palacios. |
| 02/15/18 | Tampa Bay Rays signed free agent RHP J.D. Martin to a minor league contract. |
| 02/14/18 | Tampa Bay Rays signed free agent RHP Wilfry Urena to a minor league contract. |
| 02/14/18 | Tampa Bay Rays signed free agent RHP Yeury Garcia to a minor league contract. |
| 02/13/18 | Tampa Bay Rays sent 2B Micah Johnson outright to Durham Bulls. |
| 02/13/18 | Tampa Bay Rays signed free agent LHP Kyle Bird to a minor league contract and invited him to spring training. |
| 02/13/18 | Tampa Bay Rays invited non-roster 2B Micah Johnson to spring training. |
| 02/13/18 | Tampa Bay Rays signed free agent RHP Sergio Romo. |
| 02/12/18 | Tampa Bay Rays signed free agent LHP Austin Wright to a minor league contract. |
| 02/09/18 | Tampa Bay Rays signed free agent RHP Dustin McGowan to a minor league contract and invited him to spring training. |
| 02/07/18 | Tampa Bay Rays signed free agent C Adam Moore to a minor league contract and invited him to spring training. |
| 02/06/18 | Tampa Bay Rays signed free agent LHP Dan Runzler to a minor league contract and invited him to spring training. |
| 02/06/18 | Tampa Bay Rays signed free agent RHP Evan Scribner to a minor league contract and invited him to spring training. |