The Minnesota Twins purchased the contract of outfielder Dennys Reyes from Rochester of the International League (AAA).

The Seattle Mariners purchased the contract of pitcher Sean Green from Tacoma of the Pacific Coast League (AAA).

The Kansas City Royals purchased the contract of outfielder Kerry Robinson from Omaha of the Pacific Coast League (AAA).

The San Francisco Giants acquired minor league pitcher Carlos Hines from the Tampa Bay Devil Rays for pitcher Tyler Walker.

The Chicago White Sox claimed pitcher Eduardo Sierra off waivers from the Colorado Rockies and optioned him to Birmingham of the Southern League (AA).

The Washington Nationals claimed pitcher Zach Day off waivers from the Colorado Rockies; purchased the contract of pitcher Michael O'Connor from New Orleans.

The Tampa Bay Devil Rays signed outfielder Nathan Haynes and pitcher Josh Habel.

The Cincinnati Reds acquired outfielder Cody Ross from the Los Angeles Dodgers for a player to be named.

The Chicago Cubs purchased the contract of outfielder Michael Restovich from Iowa of the Pacific Coast League (AAA).

The Colorado Rockies purchased the contract of pitcher Miguel Asencio from Colorado Springs of the Pacific Coast League (AAA).

The Kansas City Royals purchased pitcher Joe Nelson from Omaha of the Pacific Coast League (AAA).

The Texas Rangers purchased outfielder Adam Hyzdu from Oklahoma City.

The Boston Red Sox purchased the contract of infielder-outfielder Willie Harris from Pawtucket of the International League (AAA).

The Houston Astros purchased the contract of pitcher Dave Borkowski from Round Rock of the Pacific Coast League (AAA).

The Baltimore Orioles purchased the contracts of pitcher Eddy Rodriguez and outfielder Luis Terrero from Ottawa of the International League (AAA).

The Florida Marlins purchased the contract of outfielder Matt Cepicky.

The Detroit Tigers purchased the contract of outfielder Alexis Gomez from Toledo of the International League (AAA).

The Pittsburgh Pirates purchased the contract of infielder-outfielder Mike Edwards from Indianapolis of the International League (AAA).

The Cincinnati Reds purchased the contract of outfielder Quinton McCracken.

The New York Yankees announced the catcher Wil Nieves cleared waivers and was outrighted to Columbus of the International League (AAA).

The Arizona Diamondbacks purchased the contract of pitcher Casey Daigle from Tucson of the Pacific Coast League (AAA).

The Atlanta Braves purchased contract of pitcher Peter Moylan from Richmond.

The Boston Red Sox agreed on a three-year contract extension with outfielder Coco Crisp with a club option for 2010.

The Milwaukee Brewers claimed pitcher Vince Perkins off waivers from the Toronto Blue Jays.

The Boston Red Sox purchased the contract of outfielder Dustan Mohr from Pawtucket of the International League (AAA).

The Boston Red Sox signed designated hitter David Ortiz to a four-year contract extension with a club option for 2011.

The Baltimore Orioles purchased the contract of pitcher Cory Morris from Ottawa of the International League (AAA).

The Baltimore Orioles purchased the contract of pitcher John Halama from Ottawa of the International League (AAA).

The Cincinnati Reds acquired infielder Brandon Phillips from the Cleveland Indians for a player to be named or cash.

The Texas Rangers purchased the contract of pitcher Rick Bauer from Oklahoma; re-signed designated hitter Erubiel Durazo to a minor league contract.

The New York Yankees claimed catcher Koyie Hill off waivers from the Arizona Diamondbacks.

The Seattle Mariners acquired minor league pitcher Jose De La Cruz from the Tampa Bay Devil Rays for minor league pitcher Marcos Carvajal.

The Tampa Bay Devil Rays signed infielder Tomas Perez to a one-year contract; released pitcher Jesus Colome.

The Cincinnati Reds announced catcher Dane Sardinha has cleared waivers and has accepted assignment to Louisville of the International League (AAA).

The Colorado Rockies announced pitchers Jaime Cerda and Mike Esposito have cleared waivers and have accepted assignment to Colorado Springs of the Pacific Coast League (AAA).

The Philadelphia Phillies claimed infielder Angel Chavez off waivers from the San Francisco Giants and assigned him to Reading of the Eastern League (AA); released outfielder Nate Grindell.

The Tampa Bay Devils Rays claimed pitcher Scott Dunn from the Los Angeles Angels of Anaheim and optioned him to Durham.

The Oakland A's acquired pitcher Kazuhito Tadano from the Cleveland Indians for outfielder Ramon Alvardo.

The Pittsburgh Pirates signed pitcher Salomon Torres to a two-year contract extension with a club option for the 2009 season.

The Colorado Rockies purchased the contract of pitcher Marc Kroon from Colorado Springs of the Pacific Coast League (AAA).

The Florida Marlins claimed pitcher Franklyn German off waivers from the Detroit Tigers.

The Anaheim Angels agreed to terms with pitcher John Lackey on a two-year contract extension with a club option for 2009.

The Pittsburgh Pirates signed pitcher Salomon Torres to a two-year contract extension with a club option for 2009.

The St. Louis Cardinals purchased the contracts of pitcher Josh Hancock and infielder Scott Spiezio from Memphis of the Pacific Coast League (AAA).

The Milwaukee Brewers signed pitcher Derrick Turnbow to a three-year contract.

The San Francisco Giants signed pitcher Noah Lowry to a four-year contract with a club option for 2010.

The Chicago White Sox signed pitcher Jose Contreras to a three-year contract extension.

The Cleveland Indians purchased the contracts of pitcher Danny Graves and outfielder Todd Hollandsworth from Buffalo.

The Detroit Tigers purchased the contracts of pitcher Bobby Seay and infielder Ramon Santiago from Toledo of the International League (AAA).

The Houston Astros purchased the contract of catcher Eric Munson from Round Rock of the Pacific Coast League (AAA).

The San Francisco Giants purchased the contract of catcher Todd Greene from Fresno of the Pacific Coast League (AAA).

The Tampa Bay Devil Rays purchased the contracts of pitchers Jason Childers and Ruddy Lugo and infielder Luis Ordaz from Durham.