Cardinals optioned C Michael Ohlman to Triple-A Memphis.
Cardinals acquired C Michael Ohlman from the Orioles for cash considerations.
Orioles designated C Michael Ohlman for assignment.
Orioles optioned C Michael Ohlman to Double-A Bowie.
Orioles purchased the contract of C Michael Ohlman from High-A Frederick.
Orioles prospect Michael Ohlman has been suspended 50 games for violating the minor league drug policy.
Orioles' minor league catcher Michael Ohlman underwent an MRI on his right shoulder on Wednesday, which revealed significant damage.
Orioles' minor league catcher Michael Ohlman was involved in a car accident while driving back from practice Tuesday.