The Arizona Diamondbacks exercised the 2010 contract option on pitcher Jon Rauch.

The Boston Red Sox exercised the 2009 contract option on pitcher Tim Wakefield.

The Houston Astros purchased the contract of pitcher Polin Trinidad from Corpus Christi of the Texas League (AA).

The New York Mets exercised the 2009 contract option on first baseman Carlos Delgado.

The New York Yankees added pitchers Wilkin De La Rossa and Eric Hacker to the 40-man roster.

The Oakland Athletics declined to exercise the 2009 club option on pitcher Alan Embree; claimed infielder Joe Dillon off waivers from the Milwaukee Brewers.

The St. Louis Cardinals signed catcher Jason LaRue to one-year contract.

The Toronto Blue Jays exercised the 2009 contract option on catcher Rod Barajas.

The Chicago White Sox agreed to terms with infielder Jayson Nix on a one-year contract.

The Kansas City Royals acquired first baseman Mike Jacobs from the Florida Marlins for pitcher Leo Nunez.

The New York Mets signed infielder-outfielder Fernando Tatis to a one-year contract.

The Milwaukee Brewers claimed third baseman Casey McGehee off waivers from the Chicago Cubs.

The Boston Red Sox claimed pitcher Virgil Vasquez off waivers from the Detroit Tigers.

The Los Angeles Angels exercised the 2009 contract options on outfielder Vladimir Guerrero and pitcher John Lackey; declined the 2009 contract option on outfielder Garret Anderson.

The Kansas City Royals claimed pitcher Jairo Cuevas off waivers from the Atlanta Braves; released pitcher Kip Wells.

The Toronto Blue Jays signed first baseman-outfielder Adam Loewen to a minor league contract; claimed pitcher Bryan Bullington off waivers from the Cleveland Indians.

The Oakland Athletics agreed to terms with second baseman Mark Ellis on a two-year contract.

The Cleveland Indians exercised the 2009 contract option on second baseman Jamey Carroll.

The St. Louis Cardinals claimed pitcher Charlie Manning off waivers from the Washington Nationals.

The San Diego Padres announced catcher Michael Barrett has elected free agency after clearing waivers; claimed second baseman Travis Denker off waivers from the San Francisco Giants.

The Chicago Cubs exercised the 2009 club contract option on pitcher Rich Harden.

The Milwaukee Brewers signed pitchers Joe Bateman, Lindsay Gulin, Sam Narron and Chris Narveson to minor league contracts.

The Cleveland Indians acquired outfielder Michael Brantley from the Milwaukee Brewers to complete a previous trade.

The Florida Marlins re-signed infielder Wes Helms to a two-year contract.

The New York Mets agreed to terms with manager Jerry Manuel on a two-year contract with a club option for 2011.

The Florida Marlins claimed pitcher Scott Nestor off waivers from the Philadelphia Phillies.