Arizona Diamondbacks
Acquired LHP Buddy Groom from the Yankees for a player to be named later. Acquired RHP Kyle Bono and INF Kenny Perez from the Red Sox for OF Jose Cruz Jr. and cash.
Atlanta Braves
Acquired RHP Kyle Farnsworth from the Detroit Tigers, in exchange for RHP Zach Miner and RHP Roman Colon.
Boston Red Sox
Purchased the contract of RHP Jon Papelbon from Triple-A Pawtucket and designated RHP Luis Mendoza for assignment.
Chicago Cubs
Traded OF Jody Gerut to the Pirates for OF Matt Lawton and cash.
Chicago White Sox
Acquired INF Geoff Blum from the San Diego Padres in exchange for LHP Ryan Meaux; Recalled RHP Jon Adkins from Triple-A Charlotte and optioned INF Ross Gload and INF Willie Harris to Triple-A Charlotte.
Detroit Tigers
Acquired RHP Roman Colon and nonroster RHP Zach Miner from the Braves for RHP Kyle Farnsworth.
Florida Marlins
Acquired LHP Ron Villone from the Mariners for RHP Yorman Bazardo and RHP Michael Flannery; Optioned RHP John Riedling to Triple-A Albuquerque.
Los Angeles Dodgers
Placed OF Jayson Werth on the 15-day disabled list, retroactive to July 27, with bursitis of the left knee and activated INF Jose Valentin from the 15-day disabled list.
New York Yankees
Traded LHP Buddy Groom to the Arizona Diamondbacks for a player to be named or cash considerations.
Pittsburgh Pirates
Acquired OF Jody Gerut and cash considerations from the Chicago Cubs in exchange for OF Matt Lawton.
San Diego Padres
Activated RHP Adam Eaton from 15-day disabled list and optioned RHP Tim Stauffer to Triple-A Portland. Acquired C Miguel Olivo from the Mariners for C Miguel Ojeda and RHP Nathanel Mateo.
Seattle Mariners
Recalled OF Jamal Strong and LHP George Sherrill from Triple-A Tacoma. Acquired RHP Yorman Bazardo and nonroster RHP Michael Flannery from the Marlins for LHP Ron Villone. Acquired C Miguel Ojeda and RHP Nathanael Mateo from the Padres for C Miguel Olivo. Acquired RHP Jesse Foppert and C Yorvit Torrealba from the Giants for OF Randy Winn.
Texas Rangers
Recalled LHP C.J. Wilson from Double-A Frisco and optioned INF Adrian Gonzalez to Triple-A Oklahoma.
Washington Nationals
Optioned OF Marlon Byrd to Triple-A New Orleans, and selected the contract of OF Matt Cepicky.