The new matchup pits two of the best bantamweights in the world against each other, with Canada's Kaufman currently ranked fifth and Brazil's Nunes ranked eighth.
Dufresne will be rescheduled to fight on a later date.
The new matchup pits two of the best bantamweights in the world against each other, with Canada's Kaufman currently ranked fifth and Brazil's Nunes ranked eighth.
Dufresne will be rescheduled to fight on a later date.