|12/20/07||Signed LHP Dontrelle Willis to a three-year contract extension.|
|12/12/07||Non-tendered RHP Chad Durbin, making him a free agent.|
|12/11/07||Re-signed OF Timo Perez to a one-year contract.|
|12/7/07||Outrighted OF Timo Perez to Triple-A Toledo.|
|12/5/07||Acquired LHP Dontrelle Willis and 3B Miguel Cabrera from the Florida Marlins in exchange for RHP Burke Badenhop, RHP Eulogio De La Cruz, RHP Dallas Trahern, LHP Andrew Miller, C Mike Rabelo and OF Cameron Maybin; Acquired OF Freddy Guzman from the Rangers for 1B Chris Shelton.|
|12/4/07||Acquired RHP Denny Bautista from the Colorado Rockies in exchange for RHP Jose Capellan.|
|12/1/07||Signed RHP Francis Beltran to a Minor League contract and invited him to Spring Training.|
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