With 41 seconds left in the period, Scott Gomez knocked down Dixon Ward, drawing a two-minute interference penalty.
Dixon Ward is the only North Dakota Fighting Sioux player to record 100 goals and 100 assists for his career.
Dixon Ward and Miroslav Satan scored for the Sabres.
Buffalo's Dixon Ward came up with it and beat Belfour.
Dixon Ward, one of Peca's close friends on the Sabres, said after practice today: "He plays a lot of hockey.
Dixon Ward, Peca's other linemate at even strength, said Peca "does all his leading on the ice."
Miroslav Satan tied a team record for goals in consecutive games and Dixon Ward scored twice for Buffalo.
The Sabres' goalie stopped all eight shots in the third period, including four straight during a double minor to his teammate Dixon Ward.
His only blemish in the 18 shots he faced was a goal by Dixon Ward.
In the overtime, Panthers goalie Mark Fitzpatrick appeared to stop a shot from Dixon Ward.