The Cardinals have acquired infielder Ryan Theriot in a trade with the Dodgers, according to Jon Morosi of FOX Sports. St. Louis is sending Los Angeles pitcher Blake Hawksworth to complete the deal.

The Pittsburgh Pirates have traded left-hander Zach Duke to the Arizona Diamondbacks for a player to be named, according to an Associated Press report on Wednesday.

Clint Barmes is looking forward to returning to his favorite position (shortstop) after being traded from the Colorado Rockies to the Houston Astros for pitcher Felipe Paulino on Thursday, according to an ESPN.com report.

Outfielder Rajai Davis has been acquired by the Blue Jays from the Athletics for a pair of minor leaguers in the second trade of the general managers? meetings, according to an Associated Press report on Wednesday.

Second baseman Dan Uggla was dealt from the Marlins to the Braves on Tuesday for infielder Omar Infante and left-hander Mike Dunn in the first trade of the general managers? meetings, according to an Associated Press report.

The Padres acquired Marlins outfielder Cameron Maybin in a trade on Saturday, according to an ESPN.com report. The Marlins, who were seeking bullpen help this winter, received right-handed relievers Ryan Webb and Edward Mujica in return.

At least two National League teams have expressed interest in Marlins second baseman Dan Uggla, according to an MLB.com report. Trade talks involving Uggla are expected to increase in the coming weeks with baseball's annual winter meetings scheduled to begin next week.

On Friday, the Red Sox traded left-handed reliever Dustin Richardson, who flopped in his audition with the team this past season, to the Marlins for another left-hander, Andrew Miller. according to an ESPN.com report.

The Kansas City Royals announced today that the club has acquired right-handed pitcher Vin Mazzaro and left-handed pitcher Justin Marks from the Oakland Athletics in exchange for outfielder David DeJesus. Mazzaro replaces DeJesus on the Major League roster while Marks has been assigned to the Wilmington roster. ?This deal allows us to further increase our pitching depth at the Major and minor league levels,? Royals? General Manager Dayton Moore said. ?Vin Mazzaro fits into our rotation for next season while Justin Marks is a young left-hander who we see starting 2011 at Wilmington. David DeJesus is a high-class person and has been our most consistent performer, both offensively and defensively, over the past few years. We wish the very best for him in the future.?