| Latest Transactions |
| DATE | TRANSACTION |
| November 21, 2009 | Claimed C Craig Tatum off waivers from Cincinnati (NL). |
| November 19, 2009 | Purchased the contracts of RHP Brandon Erbe, RHP Luis Lebron, INF Josh Bell and INF Pedro Florimon from Bowie (EL) and INF Rhyne Hughes and INF Brandon Snyder from Norfolk (IL). |
| November 10, 2009 | Claimed RHP Armando Gabino off waivers from Minnesota. |
| October 30, 2009 | Sent RHP Alfredo Simon, RHP Bob McCrory and LHP Rich Hill outright to Norfolk (IL). |
| October 30, 2009 | Declined their 2010 contract options on 3B Melvin Mora and C Chad Moeller. Named Jeff Datz bench coach. |
| September 18, 2009 | Placed OF Nolan Reimold on the 15-day DL. |
| September 17, 2009 | Placed RHP Kam Mickolio on the 15-day DL, retroactive to Sept. 7. |
| September 9, 2009 | RP Sean Henn acquired via trade from the Minnesota Twins; CF Adam Jones transferred to 60-day DL |
| September 8, 2009 | SP Chris Lambert called up from minors; RP Bob McCrory called up from minors; SP Chris Waters called up from minors; 2B Justin Turner purchased from minors; C Guillermo Rodriguez purchased from minors; CF Adam Jones placed on 15-day DL; SP Brad Bergesen transferred to 60-day DL; LF Lou Montanez transferred to 60-day DL |
| September 1, 2009 | RP Matt Albers called up from minors; RP Alberto Castillo called up from minors; CF Jeff Fiorentino purchased from minors; SP Rich Hill transferred to 60-day DL |
| August 19, 2009 | Purchased the contract of first baseman Michael Aubrey from Norfolk of the International League (AAA); optioned pitcher Matt Albers to Norfolk; recalled pitcher Kam Mickolio from Norfolk; agreed to terms with shortstop Mychal Givens. |
| August 18, 2009 | Traded first baseman/third baseman Aubrey Huff to the Detroit Tigers for pitcher Brett Jacobson. |
| August 15, 2009 | Acquired minor league infielder John Hughes from the Tampa Bay Rays to complete last week's deal in which Gregg Zaun was assigned to the Rays via a waiver claim. |
| August 8, 2009 | Traded catcher Gregg Zaun to the Tampa Bay Rays for a player to be named or cash considerations; purchased the contract of catcher Chad Moeller from Norfolk of the International League (AAA). |
| August 4, 2009 | Recalled pitcher Brian Matusz from Bowie of the Eastern League (AA); optioned pitcher Ken Mickolio to Norfolk of the International League (AAA). |
| August 5, 2009 | Activated third baseman Melvin Mora from the 15-day disabled list; optioned infielder Luis Hernandez to Bowie of the Eastern League (AA). |
| July 31, 2009 | Placed pitcher Brad Bergesen on the 15-day disabled list; activated pitcher Chris Ray from the 15-day disabled list; recalled pitcher Kam Mickolio from Norfolk of the International League (AAA). |
| July 29, 2009 | Selected the contract of pitcher Chris Tillman from Norfolk of the International League (AAA). |
| July 22, 2009 | Added pitcher Cla Meredith to the active roster; optioned pitcher Kam Mickolio to Norfolk of the International League (AAA). |
| July 20, 2009 | Recalled pitcher David Hernandez from Bowie of the Eastern League (AA). |
| July 11, 2009 | Activated shortstop Cesar Izturis from the 15-day disabled list; optioned pitcher David Hernandez to Norfolk of the International League (AAA). |
| July 7, 2009 | Recalled pitcher Kam Mickolio from Norfolk of the International Leauge (AAA); placed pitcher Chris Ray on the 15-day disabled list. |
| June 29, 2009 | Placed pitcher Koji Uehara on the 15-day disabled list, retroactive to Wednesday; recalled pitcher David Hernandez from Norfolk of the International League (AAA). |
| June 29, 2009 | Agreed to terms with pitcher Matt Hobgood. |
| June 24, 2009 | Recalled pitcher Chris Ray from Norfolk of the International League (AAA). |
| June 21, 2009 | Optioned pitcher Alberto Castillo to Norfolk of the International League (AAA). |
| June 11, 2009 | Activated pitcher Koji Uehara from the 15-day disabled list; optioned pitcher David Hernandez to Norfolk of the International League (AAA). |
| June 7, 2009 | Placed shortstop Cesar Izturis on the 15-day disabled list, retroactive to Thursday; purchased the contract of first baseman Oscar Salazar from Norfolk of the International League (AAA). |
| June 6, 2009 | Purchased the contract of pitcher Alberto Castillo from Norfolk of the International League (AAA) and released pitcher Jamie Walker. |
| June 5, 2009 | Sent catcher Chad Moeller outright to Norfolk of the International League (AAA). |
| May 30, 2009 | Purchased the contract of catcher Matt Wieters from Norfolk of the International League (AAA); designeated catcher Chad Moeller for assignment. |
| May 30, 2009 | Recalled pitcher David Hernandez from Norfolk of the International League (AAA); optioned pitcher Chris Ray to Norfolk. |
