February 19, 2017

Orioles  designate T.J. McFarland for assignment

February 21, 2017

Orioles  designate Christian Walker for assignment

Richard Bleier traded from Yankees  to Orioles 

February 24, 2017

Orioles  release T.J. McFarland

March 14, 2017

Orioles  sign Andrew Bellatti

April 02, 2017

Orioles  place Wade Miley on the injured list

Orioles  place Anthony Santander on the injured list

April 07, 2017

Miguel Castro traded from Rockies  to Orioles 

April 14, 2017

Paul Fry traded from Mariners  to Orioles 

April 16, 2017

Orioles  place Zack Britton on the injured list

May 06, 2017

Orioles  place Zack Britton on the injured list

June 03, 2017

Orioles  sign Lucas Luetge

June 09, 2017

Orioles  place Darren O'Day on the injured list

June 13, 2017

Orioles  sign Zac Lowther

June 30, 2017

Orioles  place Stefan Crichton on the injured list

Orioles  sign DL Hall

July 03, 2017

Orioles  sign Mike Baumann

July 29, 2017

Garrett Cleavinger traded from Orioles  to Phillies 

July 31, 2017

Yefry Ramirez traded from Yankees  to Orioles 

Tim Beckham traded from Rays  to Orioles 

September 17, 2017

Orioles  designate Richard Rodriguez for assignment

November 03, 2017

Wade Miley became a free agent

November 28, 2017

Orioles  sign Joely Rodriguez

December 01, 2017

Orioles  sign Asher Wojciechowski

December 14, 2017

Orioles  sign Michael Kelly as a free agent