| Last updated: Wed, May 22, 2013, 18:14 EDT |
| Date | Player | Pos. | Transaction |
| 5/18 | Gordon Beckham | 2B | Sent to Minors, For Rehabilitation |
| 5/18 | Donnie Veal | P | Called Up from Minors |
| 5/17 | Deunte Heath | P | Sent to Minors |
| 5/15 | Angel Sanchez | SS | Sent to Minors, For Rehabilitation |
| 5/10 | Dayan Viciedo | LF | Recalled From Minors, Rehab Assignment |
| 5/10 | Dayan Viciedo | LF | Removed From 15-Day DL, (Strained left oblique) |
| 5/9 | Jordan Danks | CF | Sent to Minors |
| 5/7 | Gavin Floyd | P | Transferred to 60-Day DL, (Right elbow surgery - out for season) |
| 5/7 | Dayan Viciedo | LF | Sent to Minors, For Rehabilitation |
| 5/2 | John Danks | P | Sent to Minors, For Rehabilitation |
| 5/1 | Brian Omogrosso | P | Called Up from Minors |
| 5/1 | Donnie Veal | P | Sent to Minors |
| 4/29 | Leyson Septimo | P | Transferred to 60-Day DL, (Left shoulder strain) |
| 4/29 | Leyson Septimo | P | Recalled From Minors, Rehab Assignment |
| 4/29 | Casper Wells | LF | Traded From, Oakland (for cash considerations) |
| 4/28 | Deunte Heath | P | Called Up from Minors |
| 4/28 | Blake Tekotte | CF | Sent to Minors |
| 4/28 | Gavin Floyd | P | Placed on 15-Day DL, (Right elbow flexor strain) |
| 4/26 | Leyson Septimo | P | Sent to Minors, For Rehabilitation |
| 4/20 | Dayan Viciedo | LF | Placed on 15-Day DL, (Strained left oblique) |
| 4/20 | Blake Tekotte | CF | Called Up from Minors |
| 4/17 | Jordan Danks | CF | Called Up from Minors |
| 4/16 | Deunte Heath | P | Sent to Minors |
| 4/14 | Angel Sanchez | SS | Placed on 15-Day DL, (Lower back strain) |
| 4/14 | Tyler Greene | 2B | Purchased From Minors |
| 4/12 | Deunte Heath | P | Called Up from Minors |
| 4/12 | Gordon Beckham | 2B | Placed on 15-Day DL, (Fractured hamate bone, left wrist) |
| 4/4 | Tyler Greene | 2B | Signed to a Minor League Contract |
| 4/4 | Jason Berken | P | Signed to a Minor League Contract |
| 4/2 | Luis Durango | CF | Signed to a Minor League Contract |
| 4/1 | Lars Anderson | 1B | Traded From, Toronto (for cash considerations) |
| 4/1 | Lars Anderson | 1B | Sent to Minors |
| 3/30 | Brian Omogrosso | P | Sent to Minors |
| 3/26 | John Danks | P | Placed on 15-Day DL, (Recovery from left shoulder surgery) |
| 3/26 | Leyson Septimo | P | Placed on 15-Day DL, (Left shoulder strain) |
| 3/21 | Jordan Danks | CF | Sent to Minors |
| 3/21 | Blake Tekotte | CF | Sent to Minors |
| 3/19 | Brent Morel | 3B | Sent to Minors |
| 3/19 | Deunte Heath | P | Sent to Minors |
| 3/15 | Jhan Marinez | P | Sent to Minors |
| 3/7 | Chris Sale | P | Signed, ( 2013-2017; Opt 2018-2019)(five-year contract extension) |
| 2/22 | Lars Anderson | 1B | Designated for Assignment |
| 2/22 | Conor Gillaspie | 3B | Traded From, San Francisco (for RHP Jeff Soptic) |
| 2/1 | Lars Anderson | 1B | Acquired Off Waivers From, Arizona |
| 1/30 | Andrew Brackman | P | Signed to a Minor League Contract |
| 1/29 | Zach Stewart | P | Outrighted to Minors |
| 1/25 | Matt Lindstrom | P | Signed as Free Agent, ( 2013; Opt 2014)(one-year contract) |
| 1/24 | Zach Stewart | P | Acquired Off Waivers From, Pittsburgh |
| 1/18 | Gordon Beckham | 2B | Signed, ( 2013)(avoids arbitration) |
| 1/18 | Tony Pena Jr. | P | Signed to a Minor League Contract |
| 1/18 | Alejandro De Aza | CF | Signed, ( 2013)(avoids arbitration) |
| 1/12 | Randy Ruiz | 1B | Signed to a Minor League Contract |
| 1/10 | Josh Bell | 3B | Signed to a Minor League Contract |
| 1/7 | Jose Lopez | 3B | Signed to Play in Japan, (Yomiuri Giants) |
| 12/21 | Andy Gonzalez | 2B | Signed to a Minor League Contract |
| 12/21 | Jeff Gray | P | Signed to a Minor League Contract |
| 12/10 | Jeff Keppinger | 3B | Signed as Free Agent, ( 2013-2015)(three-year contract) |
| 12/6 | Angel Sanchez | SS | Drafted Via Rule 5 from Minors |
| 12/5 | Jeff Keppinger | 3B | Signed as Free Agent, ( 2013-2015)(three-year contract) |
| 11/30 | Dan Johnson | 1B | Not Offered Contract and Became Free Agent, (non-tendered) |
| More Transactions |
