It's September, the stretch run is upon us, and the Phillies are making some final touches to the roster as they try to sew up a playoff spot and repeat as NL East champs. General manager Preston Mattingly joins The Inquirer's Scott Lauber to discuss the recent additions of pitchers Tim Mayza and Walker Buehler, a challenging season in triple A for top prospect Andrew Painter, the state of the outfield rotation, and more.