Gary Matthews' representative, Scott Leventhal, said Wednesday that the centerfielder will file for free agency and at least explore the free agent market before making a decision on where to play. "We're going to exercise our right," Leventhal said. "But that doesn't mean that we're closing any doors. We're still going to take a long look at Texas ... but players have to go through six full seasons to get a chance at free agency." The Red Sox, Cubs and Angels are all likely to be interested in signing centerfielders this winter.