NEW YORK - The NHL announced today that due to high demand, seats have been added to the 2017 Scotiabank NHL100 Classic™ at Lansdowne Park in Ottawa between the Ottawa Senators and Montreal Canadiens.

Tickets to the Dec. 16 outdoor matchup between the Senators and Canadiens are available for purchase via Ticketmaster.com and Ticketmaster.ca, the official ticketing partner of the NHL®. Fans can purchase tickets safely and securely on Ticketmaster and the NHL Ticket Exchange™, with the peace of mind in knowing that the specific seats they buy are the seats they'll get. Through the NHL Ticket Exchange, even tickets transferred or resold to new fans are 100% Ticketmaster verified and reissued in their name. This provides a level of security that no other marketplace can match.

The outdoor game will pay tribute to a century of NHL® contests, celebrating the 100th anniversary of the League's first games played on Dec. 19, 1917. The first night in League history included a contest between the original Ottawa Senators and Montreal Canadiens at Dey's Arena in Ottawa. The game resulted in a 7-4 win for the Canadiens, with Joe Malone scoring five of Montreal's seven goals.

This matchup marks the first outdoor game the Senators have hosted. Ottawa made its first appearance in a regular-season outdoor NHL game at the 2014 Tim Hortons NHL Heritage Classic™ at BC Place in Vancouver, a 4-2 victory over the Vancouver Canucks.

The Canadiens will be making their fourth appearance in a regular-season outdoor NHL game. Montreal is 2-1-0 in three prior outdoor contests, most recently defeating the Boston Bruins, 5-1, at the 2016 Bridgestone NHL Winter Classic® at Gillette Stadium in Foxborough, Mass.

Today's Senators and Canadiens feature some of the top talent in the NHL. Ottawa is led by two-time Norris Trophy winner and captain Erik Karlsson as well as forwards Mark Stone and Mike Hoffman . Montreal counters with Hart Trophy and Vezina Trophy winner Carey Price , captain Max Pacioretty and Shea Weber .

The game will be broadcast live on CBC and TVA Sports in Canada and on NBCSN in the U.S. at 7 p.m. ET. NHL Network™ and NHL.com will provide coverage leading up to the game. Fans can follow @NHL on Twitter, Instagram, Snapchat and Facebook and join the conversation using #NHL100.