Angels designated OF Scott Cousins for assignment.
Angels claimed INF Chris Nelson off waivers from the Yankees.
Giants recalled RHP Jean Machi from Triple-A Fresno.
Giants optioned 1B Brett Pill to Triple-A Fresno.
Orioles transferred 2B Brian Roberts from the 15-day disabled list to the 60-day disabled list.
Orioles placed OF Nolan Reimold on the 15-day disabled list, retroactive to May 12, with a right hamstring strain.
Reds recalled 1B Neftali Soto from Triple-A Louisville.
Reds optioned LHP Tony Cingrani to Triple-A Louisville.