MLB

The Seattle Mariners have signed relief pitchers Shawn Camp and Hong-Chih Kuo to one-year contracts.

The Chicago Cubs designated infielder Blake DeWitt for assignment on Monday.

The Texas Rangers have signed left-handed pitcher Joe Beimel and first baseman/outfielder Conor Jackson to minor league contracts with invitations to spring training.

The Washington Nationals agreed to terms with outfielder Rick Ankiel and utility man Mark Teahen on minor league deals that include invites to spring training.

The St. Louis Cardinals have signed infielder Alex Cora to a minor league contract with an invitation to spring training.

The Baltimore Orioles have traded pitcher Jeremy Guthrie to the Colorado Rockies in exchange for pitchers Jason Hammel and Matt Lindstrom.

Veteran pitcher Brad Penny has signed a contract to play with the SoftBank Hawks of Japan's Pacific League, the team announced on its website.

The Boston Red Sox and pitcher Alfredo Aceves have agreed to terms on a one-year contract, avoiding arbitration with the 29- year-old relief pitcher.

The Los Angeles Dodgers signed relief pitcher Todd Coffey to a one-year contract with a club option for 2013 on Friday.

The Rays have won their arbitration case with towering right-hander Jeff Niemann, the Tampa Bay Times reported Friday.