Peterka scored two goals, one the game-winner and the other on the power play, and added an assist with the man advantage in Tuesday's 6-2 win over the Capitals.
Peterka scored the game-winning goal and added an assist in Tuesday's 7-0 win over the Kings.
Peterka scored a goal on three shots in a 3-0 victory over Chicago on Thursday.
Peterka scored a goal in Monday's 5-2 home win against the Coyotes.
Peterka scored the game-winning goal and added an assist in Friday's 3-2 win over the Wild.
Peterka scored a goal on his lone shot in Thursday's 5-1 loss to the Rangers.
Peterka tallied a power-play goal in Monday's 4-3 shootout loss to the Canadiens.
Peterka is a healthy scratch Friday against the Flyers, Lance Lysowski of The Buffalo News reports.
Peterka recorded two assists in Thursday's 10-4 loss to the Stars.
Peterka was called up by Buffalo from AHL Rochester on Thursday.