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From the 1917–18 season to the 1920–21 season, the NHL played a split season schedule. The winners of each half faced ea
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For the 1917–18 season, the club had no official nickname.
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From the 1917–18 season to the 1925–26 season, the NHL had no divisions.
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From the 1917–18 season to the 1926–27 season, the O'Brien Cup was awarded to the postseason champion of the NHL.
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For the 1918–19 season, the club was known as the Arenas.
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From the 1919–20 season until February 1927, the club was known as the St. Patricks.
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Beginning in the 1921–22 NHL season, the NHL adopted a new rule stipulating that only a single overtime period would be
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From the 1926–27 season to the 1937–38 season, the Maple Leafs played in the Canadian Division.
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In February 1927, Conn Smythe, changed the team name to the Maple Leafs. The team played for the rest of the season as t
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From the 1927–28 season to the 1937–38 season, the O'Brien Cup was awarded to the champion of the Canadian Division.
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From the 1938–39 season to the 1966–67 season, the NHL had no divisions.
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From the 1938–39 season to the 1949–50 season, the O'Brien Cup was awarded to the NHL playoff runner-up, and was retired
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Toronto won the series with Boston 4 games to 1, however 6 games were played with the second ending in a tie. The game w
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Before the 1967–68 season, the NHL split into East and West Divisions because of the addition of six expansion teams.
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The NHL realigned before the 1974–75 season. The Maple Leafs were placed in the Adams Division of the Prince of Wales Co
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The NHL realigned before the 1981–82 season. The Maple Leafs were placed in the Norris Division of the Clarence Campbell
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The NHL realigned into Eastern and Western conferences prior to the 1993–94 season. Toronto was placed in the Central Di
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The season was shortened to 48 games because of the 1994–95 NHL lockout.
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The NHL realigned before the 1998–99 season. The Maple Leafs were placed in the Northeast Division of the Eastern Confer
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Beginning with the 1999–2000 season, teams received one point for losing a regular-season game in overtime.
