Angels placed OF Kole Calhoun on the 15-day disabled list with a sprained right ankle.
Angels recalled OF Brennan Boesch from Triple-A Salt Lake.
Giants optioned OF Juan Perez to Triple-A Fresno.
Giants activated LHP Jeremy Affeldt from the 15-day disabled list.
Mariners general manager Jack Zduriencik said Taijuan Walker will be shut down for two weeks with a right shoulder impingement.
Bryce Harper was scratched from the Nationals' lineup Wednesday due to left quad tightness.
Koji Uehara threw a 34-pitch bullpen session Wednesday and came out of it fine.
Bryce Harper (quad) was a late scratch from the Nationals' lineup for Wednesday's game against the Marlins.
Denard Span (concussion) could return from the concussion disabled list on Saturday.
Doug Fister (lat) headed to extended spring training in Viera, Florida on Wednesday.
Brad Peacock will start Sunday against the A's.
Craig Kimbrel (shoulder) threw a 15-pitch bullpen session Wednesday and declared himself "ready."
Mariners recalled OF James Jones from Triple-A Tacoma.
Mariners placed RHP Blake Beavan on the 15-day disabled list with a right shoulder injury.
Yankees recalled RHP Shane Greene from Triple-A Scranton/Wilkes-Barre.