Twins recalled LHP Caleb Thielbar from Triple-A Rochester.
Twins optioned LHP Pedro Hernandez to Triple-A Rochester.
Athletics sent RHP Chris Resop outright to Triple-A Sacramento.
Zack Cozart (illness) is not in the Reds' lineup Monday.
Shin-Soo Choo is not in the Reds' starting lineup on Monday night against the Mets.
A.J. Pierzynski (oblique) is expected to return to the Rangers' active roster on Tuesday.
Brett Myers (elbow) will make his second minor league rehab start on Wednesday at Double-A Akron.
Marlins purchased the contract of 1B/OF Jordan Brown from Triple-A New Orleans.
Marlins placed OF Matt Diaz on the 15-day disabled list, retroactive to May 19, with a left knee contusion.
Mets signed RHP David Aardsma to a minor league contract; assigned him to Triple-A Las Vegas.
Lou Marson (shoulder) admitted Monday that there is no timetable for his return to the Indians' active roster.
Colby Lewis (elbow) acknowledged on Monday afternoon that he's unhappy with his fastball velocity.
Colby Lewis (elbow) allowed two runs over 2 1/3 innings Monday in a rehab start with Double-A Frisco.
Rays recalled RHP Jake Odorizzi from Triple-A Durham.
Jose Molina (hamstring) is available on Monday and is expected to return to the starting lineup Tuesday.