Trouba had to hit him, if he just stepped out of the way and let Barron go by what kind of half assed defense would that be? It was shoulder to chest, not head. Watch out for the Trouba train! Barron stepped on the train tracks and when you step on the train tracks you get hit by a train:
Trouba is team captain of the Rangers and he sets an example with his physical style of play protecting his goalies from foreign invasions. That attempted invasion by Barron was stopped as effectively as the Ukrainians stopped the Russian invasion.