January 14, 2017
Yankees 
sign
Ji-Man Choi
February 16, 2017
Yankees
designate
Richard Bleier
for assignment
February 21, 2017
Richard Bleier
traded from
Yankees
to
Orioles
February 28, 2017
Yankees
sign
Colten Brewer
April 02, 2017
Yankees
place
Didi Gregorius
on the injured list
April 09, 2017
Yankees
place
Gary Sanchez
on the injured list
April 28, 2017
Yankees
designate
Pete Kozma
for assignment
May 14, 2017
Yankees
place
Aroldis Chapman
on the injured list
May 16, 2017
June 24, 2017
Yankees
sign
Clarke Schmidt
June 26, 2017
Yankees
place
Aaron Hicks
on the injured list
Yankees
sign
Canaan Smith-Njigba
June 27, 2017
Yankees
place
Starlin Castro
on the injured list
Yankees
sign
Trevor Stephan
Yankees
sign
Ron Marinaccio
June 29, 2017
Yankees
designate
Mason Williams
for assignment
Yankees
sign
Janson Junk
June 30, 2017
Yankees
place
Dustin Fowler
on the injured list
July 01, 2017
Yankees
sign
Glenn Otto
July 02, 2017
Yankees
sign
Ezequiel Duran
July 13, 2017
Tyler Webb
traded from
Yankees
to
Brewers
Garrett Cooper
traded from
Brewers
to
Yankees
July 14, 2017
Yankees
place
Michael Pineda
on the injured list
July 19, 2017
Yankees
designate
Rob Refsnyder
for assignment
Yankees
designate
Ji-Man Choi
for assignment
David Robertson
traded from
White Sox
to
Yankees
Tommy Kahnle
traded from
White Sox
to
Yankees
Tyler Clippard
traded from
Yankees
to
White Sox
Todd Frazier
traded from
White Sox
to
Yankees
July 20, 2017
Yankees
sign
Garrett Whitlock
July 23, 2017
Yankees
place
Starlin Castro
on the injured list
Ryan McBroom
traded from
Blue Jays
to
Yankees
Rob Refsnyder
traded from
Yankees
to
Blue Jays
July 30, 2017
Dietrich Enns
traded from
Yankees
to
Twins
Zack Littell
traded from
Yankees
to
Twins
July 31, 2017
Yefry Ramirez
traded from
Yankees
to
Orioles
Sonny Gray
traded from
Athletics
to
Yankees
James Kaprielian
traded from
Yankees
to
Athletics
Dustin Fowler
traded from
Yankees
to
Athletics
Jorge Mateo
traded from
Yankees
to
Athletics
August 10, 2017
Yankees
place
Clint Frazier
on the injured list
August 15, 2017
Yankees
place
Luis Cessa
on the injured list
August 17, 2017
Yankees
place
Garrett Cooper
on the injured list
September 03, 2017
Yankees
place
Aaron Hicks
on the injured list
September 16, 2017
Yankees
place
Caleb Smith
on the injured list
November 02, 2017
Todd Frazier
became a free agent
Michael Pineda
became a free agent
November 18, 2017
JP Sears
traded from
Mariners
to
Yankees
November 20, 2017
Reiver Sanmartin
traded from
Rangers
to
Yankees
Garrett Cooper
traded from
Yankees
to
Marlins
Mike King
traded from
Marlins
to
Yankees
Caleb Smith
traded from
Yankees
to
Marlins
December 11, 2017
Jose Devers
traded from
Yankees
to
Marlins
Giancarlo Stanton
traded from
Marlins
to
Yankees
Starlin Castro
traded from
Yankees
to
Marlins
Jorge Guzman
traded from
Yankees
to
Marlins
December 12, 2017
Bryan Mitchell
traded from
Yankees
to
Padres