Giants placed RHP Chris Stratton on the paternity leave list.
Mariners sent LHP Dario Alvarez outright to Triple-A Tacoma.
Braves purchased the contract of OF Ronald Acuna from Triple-A Gwinnett.
Braves designated OF Peter Bourjos for assignment.
Xander Bogaerts (ankle) won't get in a second minor league rehab game because Triple-A Pawtucket was rained out on Wednesday.
Ryan Zimmerman is getting the day off Wednesday.
Rockies manager Bud Black said Wednesday that Kyle Freeland (heel) is "limping around" and sore.
Reds sent RHP Kevin Quackenbush outright to Triple-A Louisville.