Huckaby, 35, has played parts of the past six seasons with five different Major League teams after originally being drafted and signed by the Dodgers. He played in eight games with Boston in 2006.
Smith, 34, has pitched parts of five seasons in the Major Leagues, including one start with the Atlanta Braves in 2006. He was originally drafted by Milwaukee in 1995.
Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.