from Adam Vingan of The Tennessean,

With less than six minutes left in the Predators' 3-1 victory against the Lightning on Monday, Predators defenseman Roman Josi was the recipient of a blindside hit from Lightning forward J.T. Brown.

It appeared that Brown's left shoulder made contact with Josi's head, forcing the latter out of the game. Josi, who angrily tossed his glove down the hallway to the Predators' locker room as he left, said he was fine and removed by a concussion spotter.

This season, the NHL updated its concussion protocol, authorizing in-arena spotters and those watching from the league's New York office to require teams to remove players if they deem it necessary. Josi has previously been concussed during his NHL career.

"I didn't see him coming," Josi said, referring to Brown. "I just saw (Lightning forward Brian) Boyle on the one side. He came around the net. I didn't see him."...

It wasn't the last time that Brown was involved in a hard-hitting play Monday. In the final two minutes, he and Predators defenseman Ryan Ellis collided as they pursued a puck in the corner. Brown then proceeded to punch Ellis multiple times as the two laid on the ice. Ellis received a five-minute major for interference and a game misconduct, and Brown received a roughing minor and a misconduct.

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Watch both incidents below...