Matthews scores league-leading 49th, Leafs beat Bruins 6-4


              Toronto Maple Leafs goaltender Petr Mrazek (35) heads to the locker room after an apparent injury during the first period of an NHL hockey game against the Boston Bruins, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Toronto Maple Leafs goaltender Erik Kallgren (50) drops to the while making the save on a shot by Boston Bruins center Curtis Lazar, right, during the second period of an NHL hockey game, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Boston Bruins defenseman Charlie McAvoy (73) drops Toronto Maple Leafs center David Kampf (64) to the ice during the second period of an NHL hockey game, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Toronto Maple Leafs goaltender Erik Kallgren (50) is embraced by right wing Mitchell Marner after defeating the Boston Bruins 6-4 in an NHL hockey game, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Boston Bruins left wing Taylor Hall (71) drops to his knees as Toronto Maple Leafs defenseman Justin Holl (3) knocks the puck away during the first period of an NHL hockey game, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Boston Bruins goaltender Jeremy Swayman (1) drops back towards the net on a goal by Toronto Maple Leafs defenseman Morgan Rielly (44) during the first period of an NHL hockey game, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Toronto Maple Leafs center Alexander Kerfoot (15) pokes the puck past Boston Bruins goaltender Jeremy Swayman (1) for a goal during the first period of an NHL hockey game, Tuesday, March 29, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Toronto Maple Leafs center Colin Blackwell celebrates after his goal against Boston Bruins goaltender Jeremy Swayman during the first period of an NHL hockey game, Tuesday, March 29, 2022, in Boston. At rear is Boston Bruins center Curtis Lazar (20). (AP Photo/Charles Krupa)
Matthews scores league-leading 49th, Leafs beat Bruins 6-4