Arizona Diamondbacks
Announced that RHP Adam Peterson has been claimed off waivers by the Detroit Tigers.
Cincinnati Reds
Recalled RHP Todd Coffey from Triple-A Louisville.
Colorado Rockies
Placed LHP Bobby Seay on the 15-day disabled list (strained left pectoral muscle). Recalled RHP Jose Acevedo from Triple-A Colorado Springs.
Los Angeles Angels
Placed catcher Bengie Molina on 15-day disabled list; Recalled Dallas McPherson from Triple-A Salt Lake.
New York Yankees
Placed RHP Tanyon Sturtze on the 15-day disabled list with a strained left oblique muscle.
Philadelphia Phillies
Optioned RHP Pedro Liriano to Triple-A Scranton/Wilkes-Barre and activated RHP Vicente Padilla from the disabled list.
San Diego Padres
Placed SS Khalil Greene on the 15-day disabled list, retroactive to March 17, with a fractured right ring finger and recalled OF Dave Roberts and reinstated him from the 15-day disabled list.
Texas Rangers
Placed RHP Ryan Bukvich on the 15-day disabled list with right elbow soreness and recalled RHP Nick Regilio from Triple-A Oklahoma.
Washington Nationals
Placed RHP Antonio Osuna on the 15-disabled list, retroactive to April 11, with a right shoulder strain and recalled RHP Gary Majewski from Triple-A New Orleans.