The Stanley Cup playoff series between the Boston Bruins and Toronto Maple Leafs was billed as the most evenly matched first-round matchup, so in some ways, it’s fitting a Game 7 will decide which team advances. The Leafs survived Monday night at Air Canada Centre with a 3-1 win in Game 6, and now they must go back to Boston and try to beat the Bruins at TD Garden for the second time this series. Here are some takeaways from Game 6. Bruins Need to Hit the Net On More ShotsThe Bruins have dominated puck possession for most of this series, and that’s been evident in their overwhelming shot attempt totals. But over the