The Bruins second line has DOMINATED offensively 👀 With a +13 goals differential (21 goals for, 8 goals against), the trio of Arvidsson-Zacha-Mittelstadt has become one of the NHL’s best scoring lines. Thoughts on how they’ve performed? Did you expect this trio to be this good? 🤔 #NHL #Hockey #Bruins #Boston #NHLBruins #ViktorArvidsson #PavelZacha #CaseyMittelstadt