Dustin Pedroia could start rehab assignment Thursday

BOSTON (AP) — Red Sox second baseman Dustin Pedroia will likely begin an injury rehabilitation assignment Thursday at Double-A Portland to test his balky, surgically-repaired left knee that caused him to miss all but three games last season.
The 35-year-old started this season on the injured list and played in just six games before leaving an April 17 game at Yankee Stadium after he felt something “pop” while running down the first base line. The 2008 AL MVP is batting .100 wit