January 16, 2018

Mets  sign Jay Bruce as a free agent

January 31, 2018

Daniel Zamora traded from Pirates  to Mets 

February 07, 2018

Mets  sign Todd Frazier as a free agent

February 09, 2018

Mets  designate Matt Reynolds for assignment

February 12, 2018

Matt Reynolds traded from Mets  to Nationals 

March 26, 2018

Mets  place Rafael Montero on the injured list

March 29, 2018

Mets  place Michael Conforto on the injured list

Mets  place Dominic Smith on the injured list

April 02, 2018

Mets  place Anthony Swarzak on the injured list

April 11, 2018

Mets  place Travis d'Arnaud on the injured list

April 13, 2018

Mets  place Kevin Plawecki on the injured list

May 05, 2018

Mets  designate Matt Harvey for assignment

May 06, 2018

Mets  place Jacob deGrom on the injured list

May 08, 2018

Mets  place Todd Frazier on the injured list

Matt Harvey traded from Mets  to Reds 

May 09, 2018

Mets  sign Patrick Kivlehan

May 11, 2018

Mets  place Hansel Robles on the injured list

May 18, 2018

Mets  place Juan Lagares on the injured list

May 19, 2018

Mets  designate Jose Lobaton for assignment

May 28, 2018

Mets  place AJ Ramos on the injured list

Mets  place Wilmer Flores on the injured list

May 29, 2018

Mets  place Noah Syndergaard on the injured list

June 06, 2018

Mets  designate Phillip Evans for assignment

June 08, 2018

Mets  place Jeurys Familia on the injured list

June 10, 2018

Mets  sign Ian Krol

June 12, 2018

Mets  designate Jose Lobaton for assignment

June 15, 2018

Mets  sign Tylor Megill

Mets  sign Bryce Montes de Oca

Mets  sign Jarred Kelenic

Mets  sign Simeon Woods Richardson

June 19, 2018

Mets  place Jay Bruce on the injured list

June 22, 2018

Mets  designate Hansel Robles for assignment

July 02, 2018

Mets  sign Francisco Alvarez

July 09, 2018

Mets  place Todd Frazier on the injured list

July 21, 2018

Jeurys Familia traded from Mets  to Athletics 

July 23, 2018

Mets  place Noah Syndergaard on the injured list

July 27, 2018

Asdrubal Cabrera traded from Mets  to Phillies 

August 02, 2018

Mets  place Phillip Evans on the injured list

August 03, 2018

Mets  place Steven Matz on the injured list

August 04, 2018

Mets  sign Matt Gage

August 05, 2018

Mets  place Anthony Swarzak on the injured list

August 20, 2018

Mets  place Brandon Nimmo on the injured list

September 06, 2018

Patrick Kivlehan traded from Mets  to Diamondbacks 

September 25, 2018

Mets  place Eric Hanhold on the injured list

October 29, 2018

AJ Ramos became a free agent

Jose Lobaton became a free agent

November 30, 2018

Wilmer Flores became a free agent

December 03, 2018

December 14, 2018

Mets  sign Jeurys Familia as a free agent

December 18, 2018

Mets  sign Wilson Ramos as a free agent