Toronto 1, Detroit 1 (15:24, 1st period)
William Nylander's shot from the right faceoff circle beat Olkinuora to even the score.
Toronto 2, Detroit 1 (11:55, 2nd period)
Denis Malginm skated in on the break and converted a wrister, giving the Maple Leafs their first lead of the night.
Toronto 3, Detroit 1 (2:12, 3rd period)
Auston Matthews buried a one-timer from the left faceoff circle for a power-play goal.
Toronto 4, Detroit 1 (7:02, 3rd period)
After Alexander Kerfoot's shot was blocked, Nylander collected the rebound and scored on the man advantage, his second tally of the night.
Toronto 5, Detroit 1 (13:49, 3rd period)
Matthews netted his second power-play goal of the period to cap the scoring.