February 19, 2014

Orioles  designate Liam Hendriks for assignment

February 24, 2014

Orioles  sign Nelson Cruz as a free agent

March 30, 2014

Orioles  place Manny Machado on the injured list

April 07, 2014

Preston Guilmet traded from Indians  to Orioles 

May 22, 2014

Orioles  place Tommy Hunter on the injured list

June 12, 2014

Orioles  sign Stevie Wilkerson

Orioles  sign David Hess

June 25, 2014

Orioles  sign John Means

June 26, 2014

Orioles  sign Tanner Scott

July 31, 2014

August 13, 2014

Orioles  place Manny Machado on the injured list

September 08, 2014

Orioles  sign Yermin Mercedes

September 27, 2014

Orioles  designate Preston Guilmet for assignment

October 03, 2014

Preston Guilmet traded from Orioles  to Pirates 

October 30, 2014

Andrew Miller became a free agent

Nelson Cruz became a free agent

December 15, 2014

Orioles  sign Chaz Roe