Peterka scored a power-play goal on five shots in Friday's 4-3 overtime win over the Jets.
Peterka delivered the winner for the second straight game to begin his Bruins career. David Pastrnak sprung him on a breakaway in overtime, and Peterka beat Stuart Skinner to complete Boston's comeback. The 24-year-old also scored in Tuesday's 3-0 season-opening win over the Rangers, giving him two goals on six shots through his first two games with Boston.