Red Sox optioned C Ryan Lavarnway to Triple-A Pawtucket.
Red Sox activated C David Ross from the 7-day disabled list.
Mariners designated INF Robert Andino for assignment.
White Sox activated LHP John Danks from the 15-day disabled list.
Twins transferred RHP Tim Wood from the 15-day disabled list to the 60-day disabled list.
Twins purchased the contract of RHP Samuel Deduno from Triple-A Rochester.
Danny Duffy (elbow) will begin a rehab assignment with Double-A Northwest Arkansas on Sunday.
Ryan Mattheus is expected to be sidelined 4-6 weeks with a fractured right hand.