Transactions
| Date | Player | Transactions |
| 2/15 | Drew Storen, P | Signed to a Minor League Contract |
| 2/13 | Jake Diekman, P | Signed as Free Agent ( 2019; Opt 2020)(one-year contract) |
| 2/13 | Jesse Hahn, P | Placed on 60-Day DL (Recovery from right elbow surgery) |
| 2/9 | Homer Bailey, P | Signed to a Minor League Contract |
| 2/8 | Brad Boxberger, P | Signed as Free Agent ( 2019)(one-year contract) |
| 1/27 | Whit Merrifield, 2B | Signed ( 2019-2022; Opt 2023)(four-year extension) |
| 1/20 | Winston Abreu, P | Signed to a Minor League Contract |
| 1/16 | Eric Skoglund, P | Suspension Announced By League (80 games for violating MLB drug program) |
| 1/16 | Eric Skoglund, P | Starting to Serve Illegal Substance Suspension |
| 1/13 | Taylor Featherston, 2B | Signed to a Minor League Contract |
| 1/10 | Cheslor Cuthbert, 3B | Outrighted to Minors |
| 1/7 | Cheslor Cuthbert, 3B | Designated for Assignment |
| 1/7 | Kyle Zimmer, P | Signed as Free Agent ( 2019)(one-year contract) |
| 12/20 | Terrance Gore, LF | Signed as Free Agent ( 2019)(one-year contract) |
| 12/20 | Rosell Herrera, RF | Designated for Assignment |
| 12/17 | Jason Adam, P | Signed to a Minor League Contract |
| 12/17 | Bubba Starling, CF | Signed to a Minor League Contract |
| 12/13 | Chris Ellis, P | Traded Texas (for cash considerations) |
| 12/13 | Sam McWilliams, P | Drafted Via Rule 5 |
| 12/11 | Billy Hamilton, CF | Signed as Free Agent ( 2019; Opt 2020)(one-year contract) |
| 12/6 | Chris Owings, SS | Signed as Free Agent ( 2019)(one-year contract) |
| 12/1 | Burch Smith, P | Declared Free Agency |
| 11/30 | Jason Adam, P | Free Agent - No Contract Offer (non-tendered) |
| 11/30 | Andres Machado, P | Free Agent - No Contract Offer (non-tendered) |
| 11/30 | Burch Smith, P | Outrighted to Minors |
| 11/30 | Bubba Starling, CF | Free Agent - No Contract Offer (non-tendered) |
| 11/29 | Cheslor Cuthbert, 3B | Signed ( 2019)(avoids arbitration) |
| 11/29 | Brian Flynn, P | Signed ( 2019)(avoids arbitration) |
| 11/29 | Jesse Hahn, P | Signed ( 2019)(avoids arbitration) |
| 11/26 | Conner Greene, P | Acquired Off Waivers St. Louis |
| 11/26 | Burch Smith, P | Designated for Assignment |
| 11/20 | Scott Blewett, P | Purchased From Minors |
| 11/20 | Arnaldo Hernandez, P | Purchased From Minors |
| 11/20 | Josh Staumont, P | Purchased From Minors |
| 11/13 | Michael Ynoa, P | Signed to a Minor League Contract |
| 11/2 | Billy Burns, CF | Declared Free Agency |
| 11/2 | Cheslor Cuthbert, 3B | Removed From 60-Day DL (Lower back strain) |
| 11/2 | Jesse Hahn, P | Removed From 60-Day DL (Sprained right UCL) |
| 11/2 | Alex Liddi, 1B | Declared Free Agency |
| 11/2 | Brandon Maurer, P | Declared Free Agency |
| 11/2 | Paulo Orlando, RF | Outrighted to Minors |
| 11/2 | Paulo Orlando, RF | Declared Free Agency |
| 11/2 | Jorge Soler, RF | Removed From 60-Day DL (Fractured left toe) |
| 11/2 | Ramón Torres, 2B | Outrighted to Minors |
| 11/2 | Ramón Torres, 2B | Declared Free Agency |
| 11/2 | Kyle Zimmer, P | Declared Free Agency |
| 10/31 | Nate Karns, P | Removed From 60-Day DL (Right elbow inflammation) |
| 10/31 | Nate Karns, P | Declared Free Agency |
| 10/31 | Nate Karns, P | Outrighted to Minors |
| 10/31 | Wily Peralta, P | Signed ( 2019; Opt 2020)(one-year restructured deal) |
| 10/30 | Jason Hammel, P | Declared Free Agency (mutual option declined) |
| 10/29 | Alcides Escobar, SS | Declared Free Agency |
| 10/2 | Jason Adam, P | Called Up from Minors |
| 10/2 | Scott Barlow, P | Called Up from Minors |
| 10/2 | Kelvin Gutierrez, 3B | Called Up from Minors |
| 10/2 | Andres Machado, P | Called Up from Minors |
| 10/2 | Trevor Oaks, P | Called Up from Minors |
| 10/2 | Paulo Orlando, RF | Called Up from Minors |
| 10/2 | Bubba Starling, CF | Called Up from Minors |
| 10/2 | Ramón Torres, 2B | Called Up from Minors |
Last updated Feb. 19, 1:23 A.M. ET
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