Pre-season • On November 3, 2010, the Pittsburgh Pirates re-signed
Wil Ledezma to a 1-year contract. • On November 12, 2010, the Pittsburgh Pirates lost free agent
Erik Kratz to the
Philadelphia Phillies. • On November 15, 2010, the Pittsburgh Pirates hired
Clint Hurdle as manager. • On November 19, 2010, the Pittsburgh Pirates lost free agent
Hector Gimenez to the
Los Angeles Dodgers. • On November 22, 2010, the Pittsburgh Pirates lost free agent
Dana Eveland to the Los Angeles Dodgers. • On November 24, 2010, the Pittsburgh Pirates hired
Euclides Rojas as bullpen coach,
Gregg Ritchie as hitting coach,
Luis Silverio as first-base coach,
Nick Leyva as third-base coach and
Mark Strittmatter. • On November 24, 2010, the Pittsburgh Pirates traded
Zach Duke to the
Arizona Diamondbacks for a player to be named later (
Cesar Valdez). • On December 3, 2010, the Pittsburgh Pirates re-signed
Jeff Karstens to a 1-year contract and
Ronny Cedeño to a 1-year contract with an option for 2012. • On December 7, 2010, the Pittsburgh Pirates signed free agents
Kevin Correia to a 2-year contract and
Scott Olsen to a 1-year contract with an option for 2012. • On December 8, 2010, the Pittsburgh Pirates signed free agent
Matt Diaz to a 2-year contract. • On December 14, 2010, the Pittsburgh Pirates signed free agent
Lyle Overbay to a 1-year contract. • On December 23, 2010, the Pittsburgh Pirates traded Ryan Kelly to the
Oakland Athletics in exchange for
Corey Wimberly. • On December 23, 2010, the Pittsburgh Pirates claimed free agent
Aaron Thompson off waivers from the
Washington Nationals. • On January 4, 2011, the Pittsburgh Pirates traded
Joe Martinez to the
Cleveland Indians in exchange for a player to be named later or cash considerations. • On January 5, 2011, the Pittsburgh Pirates lost free agent
Wil Ledezma to the
Toronto Blue Jays. • On January 18, 2011, the Pittsburgh Pirates re-signed
Joel Hanrahan to a 1-year contract. • On February 9, 2011, the Pittsburgh Pirates re-signed
Ross Ohlendorf to a 1-year/$2.025 million contract.
In-Season • On March 3, 2011, the Pittsburgh Pirates re-signed
Alex Presley,
Andrew McCutchen,
Bryan Morris,
Brad Lincoln,
Charlie Morton,
Chris Leroux,
Chris Resop,
Daniel McCutchen,
Daniel Moskos,
Evan Meek,
Garrett Jones,
Gorkys Hernández,
James McDonald,
Jason Jaramillo,
Jeff Locke,
John Bowker,
José Ascanio,
José Tábata,
Josh Rodriguez,
Kevin Hart,
Kyle McPherson,
Mike Crotta,
Neil Walker,
Pedro Ciriaco,
Ramon Aguero,
Steve Pearce and
Tony Watson to 1-year contracts. • On March 21, 2011, the Pittsburgh Pirates released
Garrett Atkins. • On March 22, 2011, the Pittsburgh Pirates released
Fernando Nieve. • On April 6, 2011, the Pittsburgh Pirates released
Craig Hansen. • On April 8, 2011, the Pittsburgh Pirates lost free agent
Ramon Aguero to the
Texas Rangers. • On April 22, 2011, the Pittsburgh Pirates claimed free agent
Brandon Wood from the
Los Angeles Angels. • On April 26, 2011, the Pittsburgh Pirates claimed free agent
Xavier Paul from the
Los Angeles Dodgers. • On May 14, 2011, the Pittsburgh Pirates released
Scott Olsen. • On June 13, 2011, the Pittsburgh Pirates traded a player to be named later or cash considerations to the
Boston Red Sox in exchange for
Michael McKenry. • On June 21, 2011, the Pittsburgh Pirates traded cash considerations to the
Cleveland Indians in exchange for
Josh Rodriguez. • On July 21, 2011, the Pittsburgh Pirates signed free agent
Jason Grilli to a 1-year contract. • On July 31, 2011, the Pittsburgh Pirates traded
Aaron Baker to the
Baltimore Orioles in exchange for
Derrek Lee. • On July 31, 2011, the Pittsburgh Pirates traded a player to be named later or cash considerations to the
San Diego Padres in exchange for
Ryan Ludwick. • On August 18, 2011, the Pittsburgh Pirates traded a player to be named later or cash considerations to the
Texas Rangers in exchange for
Tim Wood. • On August 21, 2011, the Pittsburgh Pirates re-signed
José Tábata to a 6-year contract extension through 2016 with options for 2017–19. • On August 31, 2011, the Pittsburgh Pirates traded
Matt Diaz and cash considerations to the
Atlanta Braves in exchange for a player to be named later (Eliecer Cardenas; converted on September 20, 2011). • On August 31, 2011, the Pittsburgh Pirates traded
John Bowker to the
Philadelphia Phillies in exchange for future considerations. • On September 14, 2011, the Pittsburgh Pirates claimed
Matt Pagnozzi off waivers from the
Colorado Rockies. • On September 16, 2011, the Pittsburgh Pirates promoted Greg Smith to assistant GM, Joe Dellicarri to director of amateur scouting, Kevan Graves to director of baseball operations, Kyle Stark to assistant GM, Larry Broadway to director of minor league operations and Tyrone Brooks to director of player personnel. • On October 24, 2011, the Pittsburgh Pirates hired Ben Potenziano as assistant trainer and Brendon Huttman as strength and conditioning coach. ==Farm system==