Original: In the playoffs , Detroit finished 8 -- 0 sweeping the defending cup champs , The Leafs ( the first time in NHL history the cup champs were swept in the first round ) and The Habs , the first time a team had gone undefeated in the playoffs since the 1934 -- 35 Montreal Maroons .
Simplified: In the playoffs , Detroit finished 8 -- 0 , the first time a team had gone undefeated in the playoffs since the 1934 -- 35 Montreal Maroons .