Marner had two primary assists, upping his NHL-best total to 24 (he has 27 assists in all). After the game, coach Bruce Cassidy explained X-rays were negative but Miller will remain overnight for observations to make sure his breathing remains normal and the swelling doesn't get worse.
Asked about Marner, Leafs coach Mike Babcock said all great players manage to play at their own pace.
Miller blocked a shot with his stick and then the puck rolled up and hit him square in the throat.
The Bruins, who won 3-2 in Montreal on Saturday night, had won two straight and three of four. "Hopefully he's able to fly back tomorrow, that's the plan", Cassidy stated about Miller's injury to Jack Edwards and Andy Brickley. The Leafs took a 2-1 lead - on Igor Ozhiganov's first career National Hockey League goal - shortly after the power play expired. "But right now he's out of any danger from what we've heard".
Both teams were playing their fourth game in six nights. He has missed just 31 games over 21 seasons since making his debut on October 1, 1997. "So important for this team it's not even amusing and I'm not even talking about what he does on the ice".
Marleau received a standing ovation after a video tribute in the first period.
"That was wonderful. It was unexpected, but it was greatly appreciated", he said.
It was the 672nd meeting between the two Original Six teams in a rivalry that dates to 1924.
Boston's power play pegged the Leafs deep on its second chance, but couldn't convert as Marchand's wraparound attempt rang off the crossbar.
Arizona basketball remains out of top 25 in latest AP poll
Defending national champion Villanova moved back into the poll at No. 23 after winning the AdvoCare Invitational title. Tennessee fell one place to No. 6 after losing to the Jayhawks, and the Nevada Wolf Pack slotted in at No. 5.
Dermott finally beat Jaroslav Halak with a shot through traffic at 17:44 for his first of the season after the Bruins' top line couldn't clear the puck.
Boston, gaining momentum, outshot Toronto 10-0 to open the second before Toronto registered a shot midway through the period.
The Bruins hit another post on the power play later in the second.
Pastrnak tied it at 14:22, taking Torey Krug's nifty pass to the side of the net before slotting it past Andersen to increase his season total to 19.
Leivo put Toronto ahead 3-2 on the power play at 18:38, banging home Tyler Ennis' rebound after a rush by Marner.
Around the boards: Both teams were missing key players.
Grappling with the prospect of icing a lineup without some of its most important assets - namely Patrice Bergeron, Zdeno Chara, Charlie McAvoy and Brandon Carlo - the Bruins must battle hard in order to remain near the top of the Atlantic Division.
Andersen is now 11-1-0 in the regular season record against Boston. The Bruins spent over a minute and a half in the offensive zone leading to Pastrnak's 18th of the season.