Proper No Twelve has become the third best-selling Irish whiskey in the US
Conor McGregor
The Irish whiskey brand founded by UFC fighter Conor McGregor, Proper No Twelve, may have plans to launch a new premium single malt in the US market.
According to a filing with the US Alcohol and Tobacco Tax and Trade Bureau, the whiskey brand has sought to clear a label for Proper No Twelve 13-year-old single malt Irish whiskey.
