| Date | Player | Position | Transaction |
|---|---|---|---|
| May 19 | Brandon Beachy | SP | Sent to Minors for Rehabilitation by Atlanta |
| May 18 | Cory Rasmus | RP | Called Up from Minors by Atlanta |
| May 18 | Joe Beimel | RP | Signed to a Minor League Contract by Atlanta |
| May 17 | Jason Heyward | RF | Recalled From Minors Rehab by Atlanta |
| May 11 | Kameron Loe | RP/SP | Signed to a Minor League Contract by Atlanta |
| May 10 | Paul Janish | SS/3B | Sent to Minors by Atlanta |
| May 9 | Jason Heyward | RF | Sent to Minors for Rehabilitation by Atlanta |
| May 9 | Paul Janish | SS/3B | Recalled From Minors Rehab by Atlanta |
| May 8 | Luis Ayala | RP | Sent to Minors for Rehabilitation by Atlanta |
| May 6 | Brian McCann | C | Recalled From Minors Rehab by Atlanta |
| May 6 | Brandon Boggs | RF/LF/CF | Signed to a Minor League Contract by Atlanta |
| May 5 | Tyler Pastornicky | SS/2B | Sent to Minors by Atlanta |
| May 3 | Paul Janish | SS/3B | Sent to Minors for Rehabilitation by Atlanta |