Gunnar Nelson and friends reinacting Justin Biebers “Sorry”

Gunnar Nelson and his training partners at Mjolnir gym are up to their old tricks, this time dancing to Justin Bieber’s hit “Sorry!”

Last year Gunni and his friends made the headlines with a cover of Chandelier by Sia.

Nelson is set to fight Albert Tumenov on 8th May in Rotterdam and its good to see “Gunni” being able to relax between training;

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