Baltimore Orioles
Activated 3B Melvin Mora from the 15-day disabled list; placed C Geronimo Gil on the 15-day disabled list with a sprained left thumb and recalled C Eli Whiteside from Triple-A Ottawa.
Boston Red Sox
Optioned INF Ramon Vazquez and LHP Abe Alvarez to Triple-A Pawtucket and recalled LHP Lenny DiNardo and RHP Jeremi Gonzalez from Triple-A Pawtucket.
Cincinnati Reds
Outrighted RHP Ricky Stone to Triple-A Louisville.
Cleveland Indians
Placed RHP Rafael Betancourt on the 15-day disabled list, retroactive to June 30, with right shoulder inflammation and recalled RHP Kazuhito Tadano from Triple-A Buffalo.
Houston Astros
Recalled LHP Mike Gallo from Triple-A Round Rock and optioned RHP Ezequiel Astacio to Round Rock.
Philadelphia Phillies
Activated RHP Tim Worrell from the 15-day disabled list and designated RHP Amaury Telemaco for assignment.
San Diego Padres
Optioned IF/OF Paul McAnulty to Double-A Mobile.
San Francisco Giants
Optioned OF Todd Linden to Triple-A Fresno.
Seattle Mariners
Placed INF Dave Hansen on the 15-day disabled list with left elbow tendinitis; Recalled OF Chris Snelling and 2B Jose Lopez from Triple-A Tacoma; Designated 2B Bret Boone for assignment.
Tampa Bay Devil Rays
Placed 3B Alex Gonzalez and RHP Doug Waechter on the 15-day disabled list; recalled OF Joey Gathright and purchased the contract of LHP Joe Beimel from Triple-A Durham; released OF Chris Singleton.
Washington Nationals
Placed INF Nick Johnson on 15-day disabled list, retroactive to June 27, with deep bone bruise in right heel.