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NASHVILLE, TN - JUNE 05: A Nashville Predators fan hits a Pittsburgh Penguins car with a sledgehammer prior to Game Four against the Pittsburgh Penguins of the 2017 NHL Stanley Cup Final at the Bridgestone Arena on June 5, 2017 in Nashville, Tennessee. (Photo by Bruce Bennett/Getty Images)

NASHVILLE, TN - JUNE 05:  A Nashville Predators fan hits a Pittsburgh Penguins car with a sledgehammer prior to Game Four against the Pittsburgh Penguins of the 2017 NHL Stanley Cup Final at the Bridgestone Arena on June 5, 2017 in Nashville, Tennessee.  (Photo by Bruce Bennett/Getty Images)