Johansson, 25, made his NHL debut last season, playing in six games for Buffalo. He was also an AHL All-Star, posting a 14-4-3 record in Rochester with a .921 save percentage and a 2.28 goals-against average in 22 games.
Carter Hutton started opening night for the Sabres on Thursday and made 22 saves on 27 shots in a 6-4 loss to Washington. Sabres coach Ralph Krueger did not publicly name a starting goaltender against Philadelphia after the team's morning skate.
Tonight's game can be seen nationally at 7:30 p.m. on NBCSN. Dan Dunleavy and Rob Ray will have the radio call on WGR 550.
