Daniel Alfredsson scored his 400th career goal at 3:31 of overtime to give the Ottawa Senators a come-from-behind 4-3 win over the Calgary Flames on Friday night.
Alfredsson drove a slap shot from the left point past Leland Irving on a power play after Calgary was left short-handed when Rene Bourque was called for holding 2:20 into the extra period.
Erik Karlsson, who assisted on Alfredsson's milestone goal, tied it at 3 with an unassisted effort 4:28 into the third as Ottawa battled back from an early 3-0 deficit.
Karlsson picked up his own rebound and circled behind the net with a delayed penalty signaled against Calgary. The smooth-skating defenseman came out the other side to score his fifth goal.
Nick Foligno and Zack Smith scored in the second period for the Senators.
Bourque, Curtis Glencross and Chris Butler scored first-period goals to give the Flames a 3-0 lead.