The Battle of Ontario is one of the most storied rivalries in the NHL. Although it lacks the history of the Battle of Alberta between the Edmonton Oilers and Calgary Flames, the Ottawa Senators and Toronto Maple Leafs’ clashes have been no less bloody.

In securing the Eastern Conference's second seed, Toronto will face provincial rival Ottawa in the first round and rekindle the so-called "Battle of Ontario." The Maple Leafs have won all four playoff series meetings against the Senators,

Linus Ullmark made 29 saves for the first playoff shutout of his career as Ottawa edged the Toronto Maple Leafs 4-0 on Tuesday night to cut the deficit in the teams’ first-round matchup to 3-2.