On December 23, Anthrax’s Joey Belladonna sang the U.S. national anthem before the Syracuse Crunch vs. Rochester Americans game at Upstate Medical University Arena in Syracuse, NY. You can see footage of that below: Hockey is metal 🤘 Stick taps to @jbelladonna from @Anthrax for rocking the National Anthem tonight. pic.twitter.com/RdBvmCasRH — Syracuse Crunch (@SyracuseCrunch)…