VIDEO | Justin Bieber boxing in New York, sparring with massive trainer ‘Doc’

Pop star Justin Bieber was recently seen at the Chelsea Piers Sports Center in New York and got in the ring with one of his muscled up trainers that people referred to as “Doc,” to get a sparring session in.

Bieber is a close friend of undefeated boxing star Floyd Mayweather Jr. and has expressed his interest as a fan of MMA.

After Conor McGregor and Nate Diaz fought at UFC 196, Bieber posted a toast to McGregor in his losing effort and said that Diaz’s style was “terrible.”

Bieber and Diaz apparently cleared things up after the two posted a photo with each other while out on the town one night.

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