Ottawa Senators (1917) vs Toronto Maple Leafs Head-to-Head

(1917) built their historical edge pre-2005, winning 55 of 105 decided meetings (52%) (plus 10 ties). 10 historical ties live in the all-time ledger, all predating the 2005 shootout rule. They have crossed paths in the postseason 4 times. Games average a 2.6-goal margin, with the largest blowout coming via (1917)'s 7-goal win. Across the last 19 decided meetings Leafs hold a 14-5 edge, suggesting the modern balance leans their way. The 1920s produced the deepest sample with 74 recorded meetings, more than any other decade in the series. Their first recorded meeting fell in 1917, so the rivalry has spanned 17 seasons of NHL history. Most recent result: (1917) won 3-1 on Mar 8, 1934. Through the 1930s Leafs have led 15-6 between the teams.