January 08, 2018

Reds  sign Dylan Floro

February 19, 2018

Reds  sign Ben Rowen

February 24, 2018

Reds  sign Oliver Perez

March 29, 2018

Reds  place Anthony DeSclafani on the injured list

Reds  place Michael Lorenzen on the injured list

April 09, 2018

Reds  place Scott Schebler on the injured list

Reds  place Eugenio Suarez on the injured list

April 24, 2018

Reds  designate Kevin Quackenbush for assignment

May 08, 2018

Matt Harvey traded from Mets  to Reds 

May 23, 2018

Reds  place Austin Brice on the injured list

Reds  place Raisel Iglesias on the injured list

May 31, 2018

Curt Casali traded from Rays  to Reds 

June 12, 2018

Reds  sign Josiah Gray

July 02, 2018

Reds  sign Noah Davis

July 03, 2018

Reds  sign Mike Siani

Reds  sign Jonathan India

July 04, 2018

July 18, 2018

Reds  place Scott Schebler on the injured list

July 21, 2018

Reds  place Alex Blandino on the injured list

July 24, 2018

Reds  place Jackson Stephens on the injured list

July 26, 2018

Reds  place Jesse Winker on the injured list

July 31, 2018

August 17, 2018

Reds  place Joey Votto on the injured list

August 29, 2018

Reds  place Amir Garrett on the injured list

August 30, 2018

Reds  place Robert Stephenson on the injured list

September 01, 2018

Reds  release Zack Weiss

September 04, 2018

Reds  place Keury Mella on the injured list

October 29, 2018

Matt Harvey became a free agent

November 30, 2018

Billy Hamilton became a free agent

Aristides Aquino became a free agent

December 01, 2018

Reds  sign Aristides Aquino

December 12, 2018

December 17, 2018

Reds  sign Mason Williams

December 21, 2018

December 26, 2018

Reds  sign Anthony Bass