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03/23/09 1:40 PM ET

Cards ship Gregerson to Padres

Right-hander completes Greene trade from December

JUPITER, Fla. -- The Cardinals and Padres completed their trade from December on Monday. Pitcher Luke Gregerson is the player to be named later in the deal that sent shortstop Khalil Greene from San Diego to St. Louis. Gregerson joins righty Mark Worrell, who was announced as part of the deal when it first took place on Dec. 4, 2008.

Gregerson, 24, spent the 2008 season at Double-A Springfield. He made 57 appearances, all in relief, posting a 3.35 ERA in 75 1/3 innings. He struck out 78 against 26 walks and allowed six home runs, collecting 10 saves for the S-Cards. He was a 28th-round selection by St. Louis in the 2006 First-Year Player Draft.

Greene, 29, is the new starting shortstop for St. Louis, which allowed Cesar Izturis to depart via free agency. He's had a fine spring in his first year in Cards camp, batting .396 with a .563 slugging percentage entering Monday's game. Greene can be a free agent after the 2009 season.

The Padres are hoping for better short-term luck with Gregerson than they had with Worrell, a submarining righty. Worrell will miss the entire 2009 season after undergoing Tommy John reconstructive elbow surgery.

Matthew Leach is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.