BOSTON RED SOXPlaced RHP David Aardsma on the 15-day DL. Recalled RHP Justin Masterson from Pawtucket (IL).
DETROIT TIGERSRecalled RHP Zach Miner from Toledo (IL). Optioned OF Jeff Larish to Toledo.
OAKLAND ATHLETICSPlaced 1B Daric Barton on the 15-day DL, retroactive to July 14. Recalled INF Wes Bankston from Sacramento (PCL).
SEATTLE MARINERSActivated RHP J.J. Putz from the 15-day DL. Optioned LHP Ryan Rowland-Smith to Tacoma (PCL).
TAMPA BAY RAYSActivated RHP Troy Percival from the 15-day DL. Placed RHP Gary Glover on the 15-day DL, retroactive to July 11.
ARIZONA DIAMONDBACKSActivated C Chris Snyder from the 15-day DL. Optioned C-INF Robby Hammock to Tucson (PCL).
COLORADO ROCKIESOptioned INF Jayson Nix to Colorado Springs (PCL). Recalled INF Ian Stewart from Colorado Springs.
HOUSTON ASTROSPlaced RHP Roy Oswalt on the 15-day DL.
LOS ANGELES DODGERSSigned INF Pablo Ozuna. Designated INF Luis Maza for assignment.
WASHINGTON NATIONALSPlaced 1B Dmitri Young on the 15-day DL.