There's a Johnny Manziel connection to the Mayweather vs. McGregor fight -- his fiancee is one of the Corona Girls!
TMZ Sports has learned ... Bre Tiesi (who happens to be a smokin' hot model) was tapped to don the legendary Corona outfit to work Friday's weigh-in festivities.
She did an excellent job!
No word if Johnny plans on heading to Vegas to attend the fight -- or if he's busy training for his NFL comeback.
One thing's for sure ... Bre looks goooood!!!
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