Conor McGregor sucker punches old dude - old dude takes it like a champ!

 

Conor McGregor uncorked a shot to the head of an elderly man in an Irish bar in a dispute over whiskey -- Conor's whiskey -- and TMZ Sports got this video showing the violence.Conor McGregor sucker punched an older guy in an Irish bar in an, alleged, dispute over whiskey -- Conor's whiskey, Proper 12 - and TMZ Sports got the video.

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