April 03, 2016

Orioles  place Kevin Gausman on the injured list

June 03, 2016

Orioles  place Darren O'Day on the injured list

June 17, 2016

Orioles  sign Cody Sedlock

June 21, 2016

Orioles  sign Austin Hays

June 23, 2016

Orioles  sign Keegan Akin

June 30, 2016

Orioles  place T.J. McFarland on the injured list

July 29, 2016

Orioles  designate Chaz Roe for assignment

July 31, 2016

Wade Miley traded from Mariners  to Orioles 

August 01, 2016

Jonah Heim traded from Orioles  to Rays 

August 04, 2016

Orioles  sign Felix Bautista

August 13, 2016

Orioles  place Darren O'Day on the injured list

August 28, 2016

Orioles  designate T.J. McFarland for assignment

Orioles  sign Tommy Hunter as a free agent

August 31, 2016

Orioles  designate Kyle Lobstein for assignment

Kyle Lobstein traded from Pirates  to Orioles 

November 03, 2016

Tommy Hunter became a free agent