Castro, 38, will receive $500,000 if he makes the club, according to ESPNLos Angeles.com. Castro, who opened the 2010 season with Philadelphia, was released after batting .198 and signed by the Dodgers. He spent 10 days with Los Angeles in the Major Leagues, and the remainder of his time was spent at Triple-A. His season was cut short when he went home to attend to his ailing wife, who has since recovered.
A defensive specialist, Castro is viewed as insurance. Chin-lung Hu, out of options, has the inside track for the backup middle infield job heading into Spring Training.
Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.