American League
OAKLAND ATHLETICS—Released LHP Mike Magnante.
SEATTLE MARINERS—Activated RHP Rafael Soriano from the 15-day disabled list and optioned him to San Antonio of the Texas League.
TAMPA BAY DEVIL RAYS—Activated INF Russ Johnson from the restricted list and placed him on the 15-day disabled list. Designated INF Jason Smith for assignment.
TEXAS RANGERS—Placed OF Juan Gonzalez on the 15-day disabled list, retroactive to July 31. Purchased the contract of INF Donnie Sadler from Oklahoma of the PCL. Optioned LHP Juan Alvarez to Oklahoma. Activated LHP Dennys Reyes. Added Butch Wynegar to the major league coaching staff.
National League
ARIZONA DIAMONDBACKS—Activated 1B Greg Colbrunn from the 15-day disabled list. Placed INF Chris Donnels on the 15-day disabled list.
ATLANTA BRAVES—Placed C Javy Lopez on the 15-day disabled list, retroactive to Aug. 1. Recalled C Steve Torrealba from Richmond of the International League.
CHICAGO CUBS—Placed RHP Jon Lieber on the 15-day disabled list. Recalled RHP Francis Beltran from West Tennessee of the Southern League. Acquired OF Aron Weston from Pittsburgh for LHP Ricardo Palma, LHP Tim Lavery, and cash.
COLORADO ROCKIES—Recalled OF Jack Cust from Colorado Springs of the PCL. Optioned C Ben Petrick to Colorado Springs.
MONTREAL EXPOS—Placed OF Wil Cordero on the 15-day disabled. Recalled INF Henry Mateo from Ottawa of the International League.
NEW YORK METS—Agreed to terms with LHP Scott Kazmir.