Joe Thornton scored the tiebreaking goal with 5:39 left in regulation to help the San Jose Sharks overcome a two-goal deficit to beat the Pittsburgh Penguins 5-3 on Thursday night.
Backup goalie Alex Stalock made 30 saves, and San Jose lost consecutive games in regulation for the first time this season.
Tomas Hertl scored four goals, Matthew Nieto had his first NHL goal and added two assists and the San Jose Sharks beat the New York Rangers 9-2 on Tuesday night.
Justin Braun scored his first goal in more than 19 months to break a tie late in the second period and the San Jose Sharks went on to beat the Vancouver Canucks 4-1 Thursday night in the season opener for both teams.
The San Jose Sharks have re-signed defenseman Justin Braun and forwards Tommy Wingels and Andrew Desjardins.
Benn Ferriero scored the tiebreaking goal with 14:20 remaining in the third period to send the San Jose Sharks off on a lengthy trip on a winning note, beating the Chicago Blackhawks 5-3 on Friday night.
Patrick Marleau scored on a breakaway goal with 1:36 left in overtime, lifting the San Jose Sharks past the struggling Nashville Predators 3-2 on Tuesday night.