Need To Know: Bad blood between Kucherov and Aho, Maple Leafs rock Bieber’s new threads

Here’s what you need to know from this week in the NHL, where two superstars collide in Carolina, Jacob Markstrom blew a fuse on Tuesday, slashed and speared a Sharks rookie, Maple Leafs rocked Bieber’s new uniforms, and J.T. Miller was at it again.