The Philadelphia Flyers are back in action tonight as they try and get a 3-0 start on the season. It's the first of two games against the Buffalo Sabres who they'll play against tomorrow night. With Sean Couturier injured, head coach Alain Vigneault was forced to make a roster change for tonight's game. Morgan Frost will make his season debut as they'll center the second line between Oskar Lindblom and Travis Konency. The 21 year old Frost registered seven points in 20 games during his short audition last year with the Flyers. Carter Hart will get the start tonight to try and keep things rolling before Brian Elliott is expected to make his season debut tomorrow. Shayne Gostisbehere is still under quarantine. Here's a look at tonight's lineup:Oskar Lindblom - Morgan Frost - Travis Konecny Claude Giroux - Kevin Hayes - Joel Farabee James van Riemsdyk - Nolan Patrick - Jakub Voracek Michael Raffl - Scott Laughton - Nicolas Aube-KubelIvan Provorov - Justin Braun Travis Sanheim - Philippe Myers Robert Hagg - Erik GustafssonCarter Hart