May 15, 2012

Cardinals  place Jon Jay on the injured list

May 23, 2012

Cardinals  place Matt Carpenter on the injured list

June 09, 2012

Cardinals  sign Rowan Wick

Cardinals  sign Jacob Wilson

Cardinals  sign Patrick Wisdom

Cardinals  sign Kyle Barraclough

June 14, 2012

Cardinals  sign Michael Wacha

June 15, 2012

Cardinals  sign Carson Kelly

June 16, 2012

Cardinals  sign Stephen Piscotty

July 02, 2012

Cardinals  sign Edmundo Sosa

August 13, 2012

Cardinals  sign Magneuris Sierra

November 19, 2012

Cardinals  release Brandon Dickson

December 03, 2012

Cardinals  sign Alex Reyes