Red Sox second baseman Dustin Pedroia will return to the team's starting lineup on Friday against the Blue Jays. His missed Boston's series finale against New York on Thursday after returning home to get his knee checked out. It is safe for Pedroia is resume playing, according to a source. However, it remains possible that shutting the infielder down for a while would reveal some of his pain and discomfort. In addition, surgery hasn't been ruled out.