Michael Martinez' two-run double in the top of the ninth led the Phillies to a 4-2 win over the Cubs on Tuesday evening at Wrigley Field. Chase Utley added an RBI double for Philadelphia, which has alternated wins and losses in all five of their games since the All-Star break. Michael Stutes was credited with the win and Antonio Bastardo fanned the side in the ninth to register his seventh save of the season. Starlin Castro's two-run homer in the first frame accounted for Chicago's only runs of the game. Sean Marshall was tagged with the loss. The Northsiders have dropped three of their last four contests. Ryan Dempster will toe the rubber opposite Vance Worley in this afternoon's series finale.