|12/14/07||Claimed RHP Greg Aquino off waivers from the Milwaukee Brewers.|
|12/13/07||Signed RHP Roberto Novoa and RHP Cory Doyne to Minor League contracts for 2008; Novoa will be invited to Spring Training.|
|12/12/07||Acquired LHP Troy Patton, OF Luke Scott, RHP Matt Albers, RHP Dennis Sarfate and nonroster 3B Michael Costanzo from the Astros for SS Miguel Tejada; Designated RHP Cory Doyne for assignment; Non-tendered RHP Roberto Novoa, making him a free agent.|
|12/6/07||Selected LHP Ryan Rodriguez from the Chicago White Sox, 1B Tim Brown from the San Padres, RHP J.P. Martinez from the Minnesota Twins and RHP Randor Bierd from the Detroit Tigers in the Rule 5 Draft.|
|12/3/07||Orioles signed C Guillermo Quiroz to a one-year contract.|
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